阅读说明：本技术 一种新型装配式铝合金抗震框架结构 (Novel assembled aluminum alloy anti-seismic frame structure ) 是由 王中兴 欧阳元文 李梦屿 韩庆华 尹建 李志强 刘小蔚 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种新型装配式铝合金抗震框架结构；其中不锈钢“T”形连接板由连接板翼缘和一体固接于翼缘中部的连接板腹板组成,在铝合金工字形柱翼缘的内侧设有两块矩形工字柱垫板；一对相对设置的不锈钢“T”形连接板中的连接板腹板相对设置,且通过两根铝合金槽形梁相连；两根铝合金槽形梁之间安装有至少一块矩形槽形梁垫板；连接板翼缘的上部通过上部不锈角钢连接件与铝合金槽形梁上方的槽形梁翼缘相连,连接板翼缘的中部通过中部不锈角钢连接件与槽形梁腹板相连,连接板翼缘的下部通过下部不锈角钢连接件与下方的槽形梁翼缘相连。本发明的不锈钢“T”形连接板可以将梁、柱和支撑有效地汇聚于一处,增加了框架结构的整体性。(The invention discloses a novel assembly type aluminum alloy anti-seismic frame structure; the stainless steel T-shaped connecting plate consists of a connecting plate flange and a connecting plate web integrally and fixedly connected to the middle part of the flange, and two rectangular I-shaped column base plates are arranged on the inner side of the aluminum alloy I-shaped column flange; connecting plate webs in the pair of stainless steel T-shaped connecting plates which are arranged oppositely and are connected through two aluminum alloy channel beams; at least one rectangular groove-shaped beam backing plate is arranged between the two aluminum alloy groove-shaped beams; the upper part of the flange of the connecting plate is connected with the flange of the trough beam above the aluminum alloy trough beam through an upper stainless steel angle connector, the middle part of the flange of the connecting plate is connected with the web of the trough beam through a middle stainless steel angle connector, and the lower part of the flange of the connecting plate is connected with the flange of the trough beam below through a lower stainless steel angle connector. The stainless steel T-shaped connecting plate can effectively converge the beam, the column and the support at one position, and the integrity of the frame structure is improved.)

1. The utility model provides a novel assembled aluminum alloy antidetonation frame construction which characterized in that includes: the steel column comprises two aluminum alloy I-shaped columns (1) vertically fixed on a foundation, at least one pair of stainless steel T-shaped connecting plates (2) oppositely arranged, an aluminum alloy channel beam (3), an upper stainless steel angle connecting piece (41), a middle stainless steel angle connecting piece (42), a lower stainless steel angle connecting piece (43), ring groove rivets, an I-shaped column base plate (5) and a channel beam base plate (6), wherein the stainless steel T-shaped connecting plate (2) consists of a connecting plate flange (22) and a connecting plate web plate (21) integrally and fixedly connected to the middle of the flange, the connecting plate flange (22) and the connecting plate web plate (21) are vertically arranged and mutually perpendicular, and the connecting plate flange (22) is attached to the outer sides of the flanges of the aluminum alloy I-shaped columns (1); two rectangular I-shaped column base plates (5) are arranged on the inner sides of the flanges of the aluminum alloy I-shaped columns (1);

connecting plate webs (21) in a pair of stainless steel T-shaped connecting plates (2) which are arranged oppositely and are connected through two aluminum alloy channel beams (3); both sides of connecting plate web (21) all are provided with an aluminum alloy channel beam (3), and aluminum alloy channel beam (3) include: the aluminum alloy channel beam comprises an upper channel beam flange (32), a lower channel beam flange (32) and a vertically arranged channel beam web (31), wherein the upper channel beam flange and the lower channel beam flange (32) are horizontally arranged, the channel beam flanges (31) and the channel beam web (31) are of an integrated structure, one end of each channel beam web (31) of two aluminum alloy channel beams (3) is attached to one connecting plate flange (22), and at least one rectangular channel beam base plate (6) is arranged between the channel beam webs (31) of the two aluminum alloy channel beams (3);

the upper part of the connecting plate flange (22) is connected with a trough beam flange (32) above the aluminum alloy trough beam (3) through an upper stainless steel angle connecting piece (41), the middle part of the connecting plate flange (22) is connected with a trough beam web (31) of the aluminum alloy trough beam (3) through a middle stainless steel angle connecting piece (42), and the lower part of the connecting plate flange (22) is connected with the trough beam flange (32) below the aluminum alloy trough beam (3) through a lower stainless steel angle connecting piece (43).

2. A novel assembled aluminium alloy earthquake resistant frame structure as claimed in claim 1, wherein the upper part of said web flange (22) is connected to the channel beam flange (32) above the aluminium alloy channel beam (3) by means of upper stainless steel angle connectors (41) in the form of: the upper limbs of two upper stainless steel angle connecting pieces (41) which are arranged in parallel on the left and right, the upper parts of the flanges (22) of the connecting plates, the flanges of the aluminum alloy I-shaped columns (1) on the corresponding sides and the I-shaped column backing plates (5) on the corresponding sides are sequentially attached and connected through ring groove rivets; the lower limbs of each upper stainless steel angle connecting piece (41) are connected with a trough beam flange (32) above the corresponding aluminum alloy trough beam (3) through a ring groove rivet in an attaching mode;

the connection mode that the middle part of the connecting plate flange (22) is connected with the trough beam web plate (31) of the aluminum alloy trough beam (3) through a middle stainless steel angle connector (42) is as follows: the outer limb of each middle stainless steel angle connecting piece (42), the middle part of the flange (22) of the connecting plate, the flange of the aluminum alloy I-shaped column (1) on the corresponding side and the I-shaped column base plate (5) on the corresponding side are sequentially attached and connected through ring groove rivets; the inner limb of one middle stainless steel angle connector (42), the channel beam web (31) of the corresponding aluminum alloy channel beam (3) on one side, the connecting plate web (21), the middle part of the channel beam web (31) of the aluminum alloy channel beam (3) on the other side and the inner limb of the other middle stainless steel angle connector (42) are sequentially attached and connected through ring groove rivets;

the lower part of the connecting plate flange (22) is connected with a trough beam flange (32) below the aluminum alloy trough beam (3) through a lower stainless steel angle connector (43) in the following form: the lower limbs of two lower stainless steel angle connecting pieces (43) which are arranged in parallel on the left and right, the lower part of the flange (22) of the connecting plate, the flange of the aluminum alloy I-shaped column (1) on one corresponding side and the I-shaped column base plate (5) on one corresponding side are sequentially attached and connected through ring groove rivets; the upper limb of each lower stainless steel angle connecting piece (43) is connected with the trough beam flange (32) below the corresponding aluminum alloy trough beam (3) through a ring groove rivet in an attaching way.

3. A novel assembled aluminum alloy anti-seismic frame structure as claimed in claim 1, wherein the thickness of said channel-shaped beam pad plate (6) is equal to the thickness of the web plate (21), the height of the channel-shaped beam pad plate (6) is equal to the height of the aluminum alloy channel beam (3), the channel-shaped beam pad plate (6) is made of aluminum alloy material or stainless steel material; the length of the I-shaped column backing plate (5) is equal to the height of a connecting plate flange (22) of the outer stainless steel T-shaped connecting plate (2), and the width of the I-shaped column backing plate (5) is equal to the extending width of the aluminum alloy column flange; the I-shaped column base plate (5) is made of aluminum alloy materials or stainless steel materials.

4. A novel fabricated aluminum alloy earthquake-proof frame structure as claimed in claim 1, wherein the fabricated aluminum alloy earthquake-proof frame structure comprises: at least two pairs of stainless steel "T" shape connecting plate (2) of relative setting still include: the cross support (8), the cross support (8) is by a pair of consecutive shape angular form support (81), support the tie plate (82) and two pairs of break type angular form support (83) in the collinear to make up, consecutive shape angular form support (81) and break type angular form support (83) side view is "L" shape; two ends of a pair of back-to-back arranged and connected shape angle supports (81) are connected with a connecting plate web plate (21) of a stainless steel T-shaped connecting plate (2) through ring groove rivets; the middle parts of the pair of consecutive shape angle supports (81) are connected with the middle part of the support connecting plate (82) through a ring groove rivet; the two ends of the supporting connecting plate (82) are connected with a connecting plate web plate (21) of a stainless steel T-shaped connecting plate (2) through a pair of breaking angle supports (83) which are arranged back to back by ring groove rivets.

5. A novel assembled aluminum alloy anti-seismic frame structure as claimed in claim 4, wherein said assembled aluminum alloy anti-seismic frame structure further comprises: the T-shaped supplement part (23) is fixedly connected with one side of the stainless steel T-shaped connecting plate (2) in an integrated manner and is positioned outside the direction of the stainless steel T-shaped connecting plate (2) in which the cross support (8) is arranged.

6. A novel fabricated aluminum alloy anti-seismic frame structure according to claim 4, characterized in that a coherent support gap is provided between the pair of coherent angular supports (81), the connecting plate web (21) and the support connecting plate (82) are provided in the coherent support gap, and the width of the coherent support gap, the thickness of the connecting plate web (21) and the thickness of the support connecting plate (82) are equal.

7. A novel fabricated aluminum alloy earthquake-resistant frame structure as claimed in claim 4, wherein between each pair of the breaking type angle supports (8) is provided with a breaking support gap, the connecting plate web (21) and the support connecting plate (82) are arranged in the breaking support gap, and the width of the breaking support gap, the thickness of the connecting plate web (21) and the thickness of the support connecting plate (82) are equal.

8. A novel assembled aluminum alloy anti-seismic frame structure as claimed in claim 4, wherein the included angle θ between the supports and the columns is determined by the height-to-width ratio of the frame structure, θ is arctan h/b, wherein h is the distance between the shape lines of the aluminum alloy channel beams on the upper and lower layers, b is the distance between the shape lines of the two aluminum alloy I-shaped columns, and θ is in the range of 35 ° to 55 °.

9. A novel fabricated aluminum alloy anti-seismic frame structure as claimed in any one of claims 1 to 8, wherein the height of the web (21) of the T-shaped connecting plate is three times that of the channel beam (3).

10. A novel fabricated aluminum alloy earthquake-proof frame structure according to one of claims 1 or 4, wherein the fabricated aluminum alloy earthquake-proof frame structure further comprises: a pair of stainless steel T-shaped short connecting plates (9) and four I-shaped column short backing plates (10), wherein the stainless steel T-shaped short connecting plates (9) are used for replacing two stainless steel T-shaped connecting plates (2) connected below the cross supports (8) to be connected with corresponding coherent angular supports (81) and interrupted angular supports (83), and the lower ends of the stainless steel T-shaped short connecting plates (9) are fixedly connected with a lower structure; the flange of each side of the stainless steel T-shaped short connecting plate (9), the flange of the aluminum alloy I-shaped column (1) on the corresponding side and the I-shaped column short base plate (10) on the corresponding side are sequentially attached and connected through ring groove rivets.

Technical Field

The invention belongs to the technical field of general building structures, and particularly relates to a novel assembly type aluminum alloy anti-seismic frame structure.

Background

Aluminum alloys are increasingly favored for structural engineering because of their good corrosion resistance, high specific strength, their ability to be easily extruded, and their attractive appearance. The existing aluminum alloy structures at home and abroad exceed 1 million, the main application range is large-span space structures, bridge structures, movable structures and high-rise structures, but the engineering examples for the frame structures are very limited. The aluminum alloy has only 1/3 steel density, and the lower self weight makes it more suitable for use in fabricated structures than steel, but its application is greatly limited due to the lack of a reasonable node form and a connection system of frame members and nodes.

The application of the present aluminum alloy as a structural material in a frame structure mainly faces two major problems, one is: the connection problem between the components is also the problem of reasonable node form. The main reason is that the welding performance of the aluminum alloy material is poor, and the strength reduction of the welding heat affected zone of the two types of aluminum alloy materials (6061-T6 and 6063-T5) most commonly used in engineering is up to 50 percent according to the aluminum alloy structural design specification GB 50429-2007 in China. Electrochemical corrosion occurs when steel contacts aluminum, so that a great engineering hazard can be caused when steel bolts are used for connection. Secondly, the following steps: the aluminum alloy has low elastic modulus, is easy to deform greatly under the action of earthquake, and needs to reduce the integral lateral movement of the framework through innovation of a structural system layer.

Disclosure of Invention

In order to realize effective connection of aluminum alloy beams and columns in a frame structure and solve the problems of insufficient bearing capacity and small initial rotational rigidity of aluminum alloy connection nodes, the invention provides a novel assembly type aluminum alloy anti-seismic frame structure, which is characterized by comprising the following steps of: the device comprises two aluminum alloy I-shaped columns vertically fixed on a foundation, at least one pair of stainless steel T-shaped connecting plates, an aluminum alloy trough beam, an upper stainless steel angle connecting piece, a middle stainless steel angle connecting piece, a lower stainless steel angle connecting piece, a ring groove rivet, an I-shaped column base plate and a groove-shaped beam base plate which are oppositely arranged, wherein the stainless steel T-shaped connecting plate consists of a connecting plate flange and a connecting plate web plate which is integrally and fixedly connected to the middle part of the flange; two rectangular I-shaped column base plates are arranged on the inner sides of the flanges of the aluminum alloy I-shaped columns;

connecting plate webs in the pair of stainless steel T-shaped connecting plates which are arranged oppositely and are connected through two aluminum alloy channel beams; both sides of connecting plate web all are provided with an aluminum alloy channel beam, and the aluminum alloy channel beam includes: the two-piece aluminum alloy channel beam comprises an upper channel beam flange, a lower channel beam flange and a vertically arranged channel beam web, wherein the upper channel beam flange and the lower channel beam flange are horizontally arranged, the channel beam flanges and the channel beam web are in an integrated structure, one end of each channel beam web of the two aluminum alloy channel beams is attached to one connecting plate flange, and at least one rectangular channel beam base plate is arranged between the channel beam webs of the two aluminum alloy channel beams;

the upper part of the flange of the connecting plate is connected with the flange of the trough beam above the aluminum alloy trough beam through an upper stainless steel angle connector, the middle part of the flange of the connecting plate is connected with the web of the trough beam of the aluminum alloy trough beam through a middle stainless steel angle connector, and the lower part of the flange of the connecting plate is connected with the flange of the trough beam below the aluminum alloy trough beam through a lower stainless steel angle connector.

The upper part of the flange of the connecting plate is connected with the flange of the trough beam above the aluminum alloy trough beam through an upper stainless steel angle connector in the following mode: the upper limbs of the upper stainless steel angle connecting pieces arranged in parallel, the upper parts of the flanges of the connecting plates, the flanges of the aluminum alloy I-shaped columns on the corresponding sides and the I-shaped column base plates on the corresponding sides are sequentially attached and connected through ring groove rivets; the lower limb of each upper stainless steel angle connecting piece is connected with the trough-shaped beam flange above the corresponding aluminum alloy trough beam on one side in a fitting manner through a ring groove rivet;

the form that the middle part on the connecting plate edge of a wing links to each other with the channel beam web of aluminum alloy channel beam through middle part stainless steel angle connecting piece does: the outer limb of each middle stainless steel angle connecting piece, the middle part of the flange of the connecting plate, the flange of the aluminum alloy I-shaped column on the corresponding side and the I-shaped column base plate on the corresponding side are sequentially attached and connected through ring groove rivets; the inner limb of one middle stainless steel angle connecting piece, the groove-shaped beam web plate of the aluminum alloy groove beam on the corresponding side, the web plate of the connecting plate, the middle part of the groove-shaped beam web plate of the aluminum alloy groove beam on the other side and the inner limb of the other middle stainless steel angle connecting piece are sequentially attached and connected through ring groove rivets;

the lower part of the flange of the connecting plate is connected with the flange of the channel beam below the aluminum alloy channel beam through a stainless steel angle connector at the lower part in the following mode: the lower limbs of the left stainless steel angle steel connecting piece and the right stainless steel angle steel connecting piece which are arranged in parallel, the lower part of the flange of the connecting plate, the flange of the aluminum alloy I-shaped column on one corresponding side and the I-shaped column base plate on one corresponding side are sequentially attached and connected through ring groove rivets; the upper limb of each lower stainless steel angle connecting piece is connected with the trough beam flange below the aluminum alloy trough beam on the corresponding side in a fitting manner through a ring groove rivet.

The thickness of the groove-shaped beam backing plate is equal to that of the connecting plate web, the height of the groove-shaped beam backing plate is equal to that of the aluminum alloy groove-shaped beam, and the groove-shaped beam backing plate is made of aluminum alloy materials or stainless steel materials. The length of the I-shaped column base plate is equal to the height of a connecting plate flange of the stainless steel T-shaped connecting plate on the outer side, and the width of the I-shaped column base plate is equal to the extending width of the aluminum alloy column flange; the I-shaped column base plate is made of aluminum alloy materials or stainless steel materials.

The fabricated aluminum alloy anti-seismic frame structure includes: at least two pairs of stainless steel "T" shape connecting plates that set up relatively still include: the cross support consists of a pair of coherent angular supports, a support connecting plate and two pairs of interrupted angular supports positioned on the same straight line, and the side views of the coherent angular supports and the interrupted angular supports are L-shaped; two ends of the pair of back-to-back arranged coherent shape angle supports are connected with a connecting plate web plate of a stainless steel T-shaped connecting plate through ring groove rivets; the middle parts of the pair of coherent shape angle supports are connected with the middle part of the support connecting plate through a ring groove rivet; the two ends of the supporting connecting plate are connected with a connecting plate web plate of a stainless steel T-shaped connecting plate through a pair of breaking type angle supports arranged back to back through ring groove rivets.

The fabricated aluminum alloy anti-seismic frame structure further comprises: the T-shaped supplementary part is fixedly connected with one side of the stainless steel T-shaped connecting plate integrally and is positioned outside the direction of the stainless steel T-shaped connecting plate in which the cross support is arranged.

A coherent support gap is formed between the pair of coherent shape angle supports, the connecting plate web and the support connecting plate are arranged in the coherent support gap, and the width of the coherent support gap, the thickness of the connecting plate web and the thickness of the support connecting plate are equal.

The support gap is broken between each pair of the broken angle-shaped supports, the connecting plate web and the support connecting plate are arranged in the broken support gap, and the width of the broken support gap, the thickness of the connecting plate web and the thickness of the support connecting plate are equal.

The included angle theta between the support and the column is determined by the height-width ratio of the frame structure, and theta is arctan h/b, wherein h is the distance between the shape center lines of the aluminum alloy channel beams on the upper layer and the lower layer, b is the distance between the center lines of the two aluminum alloy I-shaped columns, and the range of theta is 35-55 degrees.

The web height of the T-shaped connecting plate is three times of the height of the trough beam.

The fabricated aluminum alloy anti-seismic frame structure further comprises: the pair of stainless steel T-shaped short connecting plates and the four I-shaped column short base plates are connected with corresponding coherent angular supports and broken angular supports by using the stainless steel T-shaped short connecting plates to replace two stainless steel T-shaped connecting plates connected below the cross supports, and the lower ends of the stainless steel T-shaped short connecting plates are fixedly connected with a lower structure; the flange of each side of the stainless steel T-shaped short connecting plate, the flange of the aluminum alloy I-shaped column on the corresponding side and the I-shaped column short base plate on the corresponding side are sequentially attached and connected through ring groove rivets.

The invention has the beneficial effects that:

1. the structural system belongs to the technical field of metal structures in structural engineering, comprises connecting nodes with high bearing capacity and good ductility, is provided with a supporting structure capable of consuming energy under an earthquake, can be constructed by rapidly assembling all components on site without welding, and is widely applicable to aluminum alloy frame structures.

2. The novel ring groove rivet is adopted for connection, so that high pretightening force is provided for the joint, looseness and vibration are prevented, full-assembly type field construction of the structure is realized, the strength reduction problem of a welded joint is solved, the electrochemical corrosion problem of the bolted joint is solved, and the bearing capacity and the initial rotational rigidity of the joint are improved. Meanwhile, the member section and the connecting piece geometric construction used by the frame structure are the most common in engineering, are convenient to process and are easy to popularize.

3. The stainless steel T-shaped connecting plate provided by the invention can ingeniously and effectively converge the beam, the column and the support at one position, and fully increases the integrity of the frame structure and the cooperative working capacity of all components. The novel frame structure can greatly improve the mechanical property of the aluminum alloy structure, accelerate the construction speed of the aluminum alloy structure, and can help to digest the surplus capacity problem of electrolytic aluminum when being used in a large amount in engineering.

4. The novel assembly type aluminum alloy anti-seismic frame structure system adopts cross bracing among columns, the energy consumption capacity of the aluminum alloy frame can be improved, the supporting and connecting plate can dissipate energy through deformation and buckling and forming of a tension band under the action of earthquake force, and the anti-seismic capacity of the aluminum alloy frame structure is improved.

Drawings

FIG. 1 is a partial structural schematic view of an embodiment 1 of a novel fabricated aluminum alloy anti-seismic frame structure according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of example 1 of the present invention;

FIG. 4 is a front view of an I-beam spacer in an embodiment of the present invention;

fig. 5 is a combination sequence diagram of the assembling positions in embodiment 1 of the present invention;

FIG. 6 is a schematic structural view of example 2 of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

fig. 8 is a front view of a support connection plate in embodiment 2 of the invention;

fig. 9 is a schematic structural diagram of embodiment 3 of the present invention.

Wherein: 1-aluminum alloy I-shaped column, 2-stainless steel T-shaped connecting plate, 3-aluminum alloy channel beam, 5-I-shaped column backing plate, 6-channel-shaped beam backing plate, 8-cross brace, 9-stainless steel T-shaped short connecting plate, 10-I-shaped column short backing plate, 21-connecting plate web plate, 22-connecting plate flange, 23- "T" -shaped supplement part, 31-channel-shaped beam web plate, 32-channel-shaped beam flange, 41-upper stainless steel angle steel connecting piece, 42-middle stainless steel angle steel connecting piece, 43-lower stainless steel angle steel connecting piece, 81-coherent angular brace, 82-support connecting plate and 83-interrupted angular brace.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, embodiment 1 of the present invention includes: the steel column comprises two aluminum alloy I-shaped columns 1 vertically fixed on a foundation, at least one pair of stainless steel T-shaped connecting plates 2 arranged oppositely, an aluminum alloy channel beam 3, an upper stainless steel angle connecting piece 41, a middle stainless steel angle connecting piece 42, a lower stainless steel angle connecting piece 43, a ring groove rivet, an I-shaped column base plate 5 and a channel beam base plate 6, wherein the stainless steel T-shaped connecting plates 2 are composed of connecting plate flanges 22 and connecting plate web plates 21 integrally and fixedly connected to the middle parts of the flanges, the connecting plate flanges 22 and the connecting plate web plates 21 are both vertically arranged and are mutually perpendicular, and the connecting plate flanges 22 are attached to the outer sides of the flanges of the aluminum alloy I-shaped columns 1; two rectangular I-shaped column base plates 5 are arranged on the inner sides of flanges of the aluminum alloy I-shaped column 1;

connecting plate webs 21 in a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged and are connected through two aluminum alloy channel beams 3; specifically, both sides of the connecting plate web 21 are provided with an aluminum alloy trough beam 3, and the aluminum alloy trough beam 3 includes: the upper and lower trough beam flanges 32 and the vertically arranged trough beam web 31 are horizontally arranged, the trough beam flanges 32 and the trough beam web 31 are of an integral structure, one end of each trough beam web 31 of two aluminum alloy trough beams 3 is attached to one connecting plate flange 22, at least one rectangular trough beam base plate 6 is arranged between the trough beam webs 31 of the two aluminum alloy trough beams 3, the thickness of each trough beam base plate 6 is equal to that of each connecting plate web 21, and the height of each trough beam base plate 6 is equal to that of each aluminum alloy trough beam 3;

the upper part of the connecting plate flange 22 is connected with the trough beam flange 32 above the aluminum alloy trough beam 3 through an upper stainless steel angle connector 41, the middle part of the connecting plate flange 22 is connected with the trough beam web 31 of the aluminum alloy trough beam 3 through a middle stainless steel angle connector 42, and the lower part of the connecting plate flange 22 is connected with the trough beam flange 32 below the aluminum alloy trough beam 3 through a lower stainless steel angle connector 43. Specifically, the connection between the upper part of the flange 22 of the connecting plate and the flange 32 of the trough beam above the aluminum alloy trough beam 3 via the upper stainless steel angle connector 41 is as follows: the upper limbs of two upper stainless steel angle steel connecting pieces 41 which are arranged in parallel on the left and right, the upper parts of the flanges 22 of the connecting plates, the flanges of the aluminum alloy I-shaped columns 1 on the corresponding sides and the I-shaped column backing plates 5 on the corresponding sides are sequentially attached and connected through ring groove rivets; the lower limb of each upper stainless steel angle connecting piece 41 is connected with the trough beam flange 32 above the corresponding aluminum alloy trough beam 3 in an attaching way through a trough rivet. The connection form of the middle part of the connecting plate flange 22 and the trough beam web 31 of the aluminum alloy trough beam 3 through the middle stainless steel angle connecting piece 42 is as follows: the outer limb of each middle stainless steel angle connecting piece 42, the middle part of the connecting plate flange 22, the flange of the aluminum alloy I-shaped column 1 on the corresponding side and the I-shaped column base plate 5 on the corresponding side are sequentially attached and connected through ring groove rivets; the inner limb of one middle stainless steel angle connector 42, the corresponding channel beam web 31 of the aluminum alloy channel beam 3 on one side, the connecting plate web 21, the middle part of the channel beam web 31 of the aluminum alloy channel beam 3 on the other side and the inner limb of the other middle stainless steel angle connector 42 are sequentially attached and connected through ring groove rivets. The lower part of the connecting plate flange 22 is connected with the trough beam flange 32 below the aluminum alloy trough beam 3 through a lower stainless steel angle connector 43 in the following mode: the lower limbs of two lower stainless steel angle connecting pieces 43 arranged in parallel on the left and right, the lower part of the flange 22 of the connecting plate, the flange of the aluminum alloy I-shaped column 1 on the corresponding side and the I-shaped column base plate 5 on the corresponding side are sequentially attached and connected through ring groove rivets; the upper limb of each lower stainless steel angle connecting piece 43 is connected with the trough beam flange 32 below the corresponding aluminum alloy trough beam 3 through the ring groove rivet;

in the present embodiment, the stainless steel angle connectors including the upper stainless steel angle connector 41, the middle stainless steel angle connector 42 and the lower stainless steel angle connector 43 all have equal limb-shaped cross sections, wherein the widths of the upper stainless steel angle connector 41 and the lower stainless steel angle connector 43 are equal to the width of the flange of the aluminum alloy trough beam, and the limb width of the middle stainless steel angle connector 42 is equal to the extended width E of the flange of the aluminum alloy trough beam.

In the embodiment, the length of the I-shaped column backing plate 5 is matched with the height of the connecting plate flange 22 of the outer stainless steel T-shaped connecting plate 2; the width of the I-shaped column base plate 5 is equal to the overhanging width F of the aluminum alloy column flange.

In the embodiment, the height of the web 21 of the T-shaped connecting plate is three times of that of the trough beam 3, and the height of the trough beam 3 is the distance between the outer edges of the upper flange and the lower flange;

in the embodiment, the flange of the stainless steel T-shaped connecting plate 2 and the flange of the aluminum alloy I-shaped column 1 have the same thickness, and the connecting plate web 21 and the channel beam web 31 of the stainless steel T-shaped connecting plate 2 have the same thickness;

in the embodiment, the I-shaped column base plate 5 and the channel beam base plate 6 are both made of aluminum alloy materials or stainless steel materials;

in the present embodiment, the best choice of the overall stainless steel material is austenite.

In the embodiment, the number of the trough beam pad plates 6 is two, and one trough beam pad plate 6 is arranged at each third of the length of the beam, so that it is easy to understand that only one trough beam pad plate 6 can be arranged at the center under the condition that the length of the beam is shorter; if the frame structure bears heavy load or dynamic load, the base plate material can be replaced by stainless steel according to the situation.

Before the frame construction is assembled, the beam column joint region of the aluminum alloy I-shaped column 1 and the support connection region of each component are punched, the hole diameter is generally 0.5-1.0 mm larger than the diameter of the ring groove rivet according to the actual diameter and engineering condition of the ring groove rivet, and an overlarge rivet hole is not required to be reserved due to the fact that the ring groove rivet is high in machining precision. And punching the stainless steel T-shaped connecting plate 2, the aluminum alloy trough beam 3, the upper stainless steel angle connecting piece 41, the middle stainless steel angle connecting piece 42, the lower stainless steel angle connecting piece 43, the I-shaped column base plate 5 and the trough beam base plate 6 according to the size difference of the hole diameter, and ensuring that all connecting holes through which the same rivet passes are completely aligned.

Further, the combination sequence of the assembly positions in embodiment 1 is as follows:

step 1, successively carrying out installation of the middle part of a web plate of each stainless steel T-shaped connecting plate 2 in a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged, namely installation of areas A1 and A2, and specifically, sequentially attaching and connecting an inner limb of one middle stainless steel angle steel connecting piece 42, the middle part of a channel beam web plate 31 of the corresponding aluminum alloy channel beam 3 on one side, a connecting plate web plate 21, the middle part of a channel beam web plate 31 of the aluminum alloy channel beam 3 on the other side and an inner limb of the other middle stainless steel angle steel connecting piece 42 through ring groove rivets;

step 2, connecting the channel beam base plates 6 with the aluminum alloy channel beams 3 on two sides, namely installing areas A3 and A4;

step 3, successively installing the upper part and the lower part of a web plate of each stainless steel T-shaped connecting plate 2, namely installing areas A5, A6, A7 and A8 in sequence, specifically, successively attaching and connecting the lower limb of each upper stainless steel angle steel connecting piece 41 and the trough-shaped beam flange 32 above the aluminum alloy trough beam 3 at the corresponding side through a ring groove rivet, and then attaching and connecting the upper limb of each lower stainless steel angle steel connecting piece 43 and the trough-shaped beam flange 32 below the aluminum alloy trough beam 3 at the corresponding side through a ring groove rivet;

step 4, successively installing the flanges of each stainless steel T-shaped connecting plate 2, namely installing the areas A9 and A10, specifically, sequentially attaching and connecting the upper limbs of the upper stainless steel angle connecting piece 41, the upper part of the flange 22 of the connecting plate, the flange of the aluminum alloy I-shaped column 1 on the corresponding side and the I-shaped column base plate 5 on the corresponding side which are arranged side by side on the left and right in parallel through ring groove rivets, sequentially attaching and connecting the outer limb of each middle stainless steel angle connecting piece 42, the middle part of the flange 22 of the connecting plate, the flange of the aluminum alloy I-shaped column 1 on the corresponding side and the I-shaped column base plate 5 on the corresponding side through ring groove rivets, the lower limbs of two lower stainless steel angle connecting pieces 43 arranged in parallel on the left and right, the lower part of the flange 22 of the connecting plate, the flange of the aluminum alloy I-shaped column 1 on the corresponding side and the I-shaped column base plate 5 on the corresponding side are sequentially attached and connected through ring groove rivets;

before assembly, pre-assembly is carried out according to the assembly position, namely, the support and the support connecting plate are combined according to the preset assembly position, and the rivet penetrates through the corresponding rivet hole. The pre-assembly can play a role in positioning, and whether the rivet holes punched in advance meet the assembly requirement is checked again; and then locking the ring groove rivet.

In the assembly process, in order to reduce the pretightening force loss of the ring groove rivets, the rivet locking sequence should be paid attention in the assembly process of each plate, and according to a large number of tests and related research results, the locking sequence of the ring groove rivets in one region is carried out according to the principle of 'center first, two sides later and diagonal angle', and the principle is disclosed in 'aluminum alloy beam column joint connected by the channel steel reinforced ring groove rivets' with the Chinese patent application number of 201910312783X.

As shown in fig. 6 to 8, in embodiment 2 of the present invention, the undescribed portion is the same as in embodiment 1, and embodiment 2 additionally includes: the combined front view is an X-shaped cross support 8, a T-shaped supplementary part 23 is additionally and integrally fixedly connected to the stainless steel T-shaped connecting plate 2 in the direction of mounting the cross support 8, wherein the cross support 8 consists of a pair of coherent angular supports 81, a supporting connecting plate 82 and two pairs of interrupted angular supports 83 which are positioned on the same straight line, and the side views of the coherent angular supports 81 and the interrupted angular supports 83 are L-shaped; the two ends of the pair of back-to-back and coherent shape angle supports 81 are connected with the connecting plate web plate 21 of the stainless steel T-shaped connecting plate 2 through ring groove rivets; the middle parts of the pair of consecutive angle-shaped supports 81 are connected with the middle part of the support connecting plate 82 through a ring groove rivet, a consecutive support gap is arranged between the pair of consecutive angle-shaped supports 81, the connecting plate web 21 and the support connecting plate 82 are arranged in the consecutive support gap, and the width of the gap is equal to the thickness of the connecting plate web 21 and the support connecting plate 82; the two ends of the support connecting plate 82 are connected with a connecting plate web plate 21 of a stainless steel T-shaped connecting plate 2 through a pair of break-type angle supports 83 which are arranged back to back by ring groove rivets, a break-type support gap is arranged between each pair of break-type angle supports 8, the connecting plate web plate 21 and the support connecting plate 82 are arranged in the break-type support gap, and the width of the gap is equal to the thickness of the connecting plate web plate 21 and the support connecting plate 82; the T-shaped supplement part 23 also consists of flanges and webs which are vertically arranged and are mutually perpendicular, and the thicknesses of the flanges and the webs are equal to the thicknesses of the parts corresponding to the stainless steel T-shaped connecting plates 2;

in the embodiment, two pairs of stainless steel T-shaped connecting plates 2 are arranged oppositely, and the number of the aluminum alloy channel beam 3, the upper stainless steel angle connecting piece 41, the middle stainless steel angle connecting piece 42, the lower stainless steel angle connecting piece 43, the ring groove rivet, the I-shaped column backing plate 5 and the channel beam backing plate 6 is matched with the logarithm of the stainless steel T-shaped connecting plates 2; the number of the trough beam base plates 6 arranged between every two aluminum alloy trough beams 3 is two.

In the present embodiment, both ends of the support connection plate 82 are trapezoidal; the thickness of the support webs 82 is equal to the thickness of the web of the stainless steel "T" web 2.

In the present embodiment, the included angles θ between the four equal supports and the column (the included angles between the continuous angular support 81 and the broken angular support 83 and the aluminum alloy i-shaped column 1) are determined by the aspect ratio of the frame structure, θ is arctan h/b, where h is the distance between the shape center lines of the aluminum alloy channel beams on the upper and lower layers, and b is the distance between the shape center lines of the two aluminum alloy i-shaped columns, and θ ranges from 35 ° to 55 °.

Before the frame structure is assembled, rivet holes which are 0.5-1.0 mm larger than the diameter of the ring groove rivet are drilled on the cross supports 8 and the stainless steel T-shaped short connecting plates 9 with the same requirement, and all connecting holes through which the same rivet penetrates are ensured to be completely aligned.

The combination sequence of the assembly positions in the embodiment 2 is as follows:

the installation of a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged at the lower part is carried out according to the steps 1 to 4, namely the installation of the areas A1 to A10 is carried out according to the steps in the embodiment 1;

mounting a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged above according to the steps 1 to 4, namely mounting the areas B1 and B2 according to the step 1, mounting the areas B3 and B4 according to the step 2, mounting the areas B5, B6, B7 and B8 according to the step 3, and mounting the areas B9 and B10 according to the step 4;

and finally, combining the cross supports 8, wherein the combining sequence of the cross supports 8 is as follows:

101, sequentially installing two pairs of breaking type angle supports 83, namely installing areas B21, B22, B23 and B24, specifically, connecting one end of one pair of breaking type angle supports 83 with a web plate of a lower stainless steel T-shaped connecting plate 2 through a ring groove rivet, connecting the other end of one pair of breaking type angle supports 83 with one end of a supporting connecting plate 82 through a ring groove rivet, connecting one end of the other pair of breaking type angle supports 83 with the other end of the supporting connecting plate 82 through a ring groove rivet, and connecting the other end of the other pair of breaking type angle supports 83 with a web plate of a stainless steel T-shaped connecting plate 2 above an oblique angle of the lower stainless steel T-shaped connecting plate 2 through a ring groove rivet;

102, mounting a pair of coherent angular supports 81, namely mounting regions B25, B26 and B27, specifically, connecting the upper and lower ends of the pair of coherent angular supports 81 with webs of two stainless steel T-shaped connecting plates 2 which are not connected with the interrupted angular supports 83 through ring groove rivets respectively, and then connecting the middle parts of the pair of coherent angular supports 81 and the middle parts of the supporting connecting plates 82 through the ring groove rivets;

in this embodiment, the pre-assembling before assembling is also performed in the assembling process of step 101 and step 102.

In the embodiment 3 of the invention shown in fig. 9, the parts which are not described are the same as the embodiment 2, a group of cross supports 8 are arranged below a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged below, and the group of cross supports 8 are positioned at the bottom layer or the lower ends of the group of cross supports are close to the lower structure without arranging the aluminum alloy channel beam 3; example 3 additionally includes: a pair of stainless steel T-shaped short connecting plates 9 and four I-shaped column short backing plates 10, wherein the stainless steel T-shaped short connecting plates 9 are used for replacing two stainless steel T-shaped connecting plates 2 connected below the cross supports 8 and are connected with corresponding coherent angular supports 81 and interrupted angular supports 83; the structure of the stainless steel T-shaped short connecting plate 9 is the same as that of the stainless steel T-shaped connecting plate 2, and the stainless steel T-shaped short connecting plate also comprises a web plate and flanges which are integrally connected with the web plate and are perpendicular to each other, and the height of the web plate in the vertical direction is half of that of the stainless steel T-shaped connecting plate 2. The flange of each side of the stainless steel T-shaped short connecting plate 9, the flange of the aluminum alloy I-shaped column 1 of the corresponding side and the I-shaped column short base plate 10 of the corresponding side are sequentially attached and connected through ring groove rivets;

in this embodiment, the height of the i-shaped column short cushion plate 10 is equal to the flange of the connecting plate of the outer stainless steel T-shaped short connecting plate 9, and the width of the i-shaped column short cushion plate 10 is equal to the overhanging width F of the flange of the aluminum alloy column.

In this embodiment, since the lower ends of a set of cross braces 8 are connected with the stainless steel T-shaped short connecting plates 9, h is the distance from the center line of the upper aluminum alloy channel beam to the fixed connecting surface of the column and the foundation, and theta is in the range of 35-55 degrees.

When the lower connecting position of the cross support 8 does not have the stainless steel T-shaped connecting plate 2, step 201 is performed before step 101;

step 201, mounting two stainless steel T-shaped short connecting plates 9, namely mounting areas C1 and C2, specifically, connecting flanges on two sides of the two stainless steel T-shaped short connecting plates 9, a flange of an aluminum alloy I-shaped column 1 on one corresponding side and an I-shaped column short base plate 10 on one corresponding side sequentially through ring groove rivets;

based on the principle from bottom to top, the complete assembly positions of embodiment 3 are sequentially combined as follows:

step 201, namely the installation of the regions C1 and C2;

subsequently, according to the steps 1 to 4, the combination of a pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged at the lower part is carried out, namely the installation of the areas C3 and C4 according to the step 1, the installation of the areas C5 and C6 according to the step 2, the installation of the areas C7, C8, C9 and C10 according to the step 3, and the installation of the areas C11 and C12 according to the step 4;

then, according to the steps 101 and 102, the combination of the lower cross braces 8 is carried out, namely, the installation of two break-type angle braces 83, namely, the installation of the areas C13, C14, C15 and C16 is carried out in sequence according to the step 101, and the installation of the coherent angle brace 81, namely, the installation of the areas C17, C18 and C19 is carried out according to the step 102;

subsequently, according to the steps 1 to 4, the combination of the upper pair of stainless steel T-shaped connecting plates 2 which are oppositely arranged is carried out, namely the installation of the areas C20 and C21 according to the step 1, the installation of the areas C22 and C23 according to the step 2, the installation of the areas C24, C25, C26 and C27 according to the step 3, and the installation of the areas C28 and C29 according to the step 4;

finally, the combination of the lower cross braces 8 is carried out according to the steps 101 and 102, namely, the installation of the two break-away angle braces 83, namely, the installation of the areas C30, C31, C32 and C33 is carried out in sequence according to the step 101, and the installation of the coherent angle brace 81, namely, the installation of the areas C34, C35 and C36 is carried out according to the step 102.

In the present embodiment, when the combination of the lower cross braces 8 is performed, since there is no stainless steel "T" connecting plate 2 at the connecting position under the lower set of cross braces 8, in step 101, one end of the pair of broken angle braces 83 and the web of the lower stainless steel "T" short connecting plate 9 are connected by a circular groove rivet, namely, the region C13, and in step 102, the lower ends of the pair of continuous angle braces 81 and the web of the other stainless steel "T" short connecting plate 9 are connected by a circular groove rivet, namely, the region C18.