阅读说明：本技术 一种斜屋面桁架楼层板及其施工方法 (Pitched roof truss floor plate and construction method thereof ) 是由 柘龙金 秦锴 鲁超 付正东 吴相� 刘隆山 谢上模 邓欢 苏静超 于 2019-08-21 设计创作，主要内容包括：本发明公开一种斜屋面桁架楼层板,包括工字钢,所述工字钢的顶端靠一侧设置有角钢,且工字钢和角钢的顶面均连接有底模钢板,贯穿所述底模钢板的顶面与工字钢的顶面设置有若干组铆钉,所述底模钢板的顶面设置有若干组腹杆钢筋,所述腹杆钢筋的顶端设置有上弦钢筋,且腹杆钢筋的侧壁靠底部焊接有下弦钢筋,所述腹杆钢筋的前后端靠上弦钢筋的下方均设置有次方向顶筋,且腹杆钢筋的前后端靠下弦钢筋的上方均设置有次方向底筋；本发明整体结构简单,施工效果好,且对底模钢板的固定和支撑效果显著,能够较好的保证在后期施工时斜屋面桁架楼层板与斜屋面之间保持较好的整体性,具有较好的使用效果。(The invention discloses a pitched roof truss floor slab, which comprises I-shaped steel, wherein angle steel is arranged at one side of the top end of the I-shaped steel, the top surfaces of the I-shaped steel and the angle steel are both connected with a bottom die steel plate, a plurality of groups of rivets penetrate through the top surface of the bottom die steel plate and the top surface of the I-shaped steel, a plurality of groups of web member reinforcing steel bars are arranged on the top surface of the bottom die steel plate, upper chord reinforcing steel bars are arranged at the top ends of the web member reinforcing steel bars, lower chord reinforcing steel bars are welded at the bottom parts of the side walls of the web member reinforcing steel bars, secondary direction top ribs are arranged below the front ends and the rear ends of the web member reinforcing steel bars, which are close to the upper chord reinforcing steel; the invention has simple integral structure, good construction effect, obvious fixing and supporting effect on the bottom die steel plate, better guarantee of better integrity between the pitched roof truss floor plate and the pitched roof during later construction and better use effect.)

1. The inclined roof truss floor plate is characterized by comprising I-shaped steel (1), wherein angle steel (2) is arranged on one side of the top end of the I-shaped steel (1), bottom die steel plates (4) are connected to the top surfaces of the I-shaped steel (1) and the angle steel (2), a plurality of groups of rivets (3) are arranged on the top surfaces of the bottom die steel plates (4) and the I-shaped steel (1) in a penetrating mode, a plurality of groups of web member reinforcing steel bars (7) are arranged on the top surface of the bottom die steel plates (4), upper chord reinforcing steel bars (5) are arranged on the top ends of the web member reinforcing steel bars (7), lower chord reinforcing steel bars (6) are welded on the bottom of the side walls of the web member reinforcing steel bars (7), secondary top ribs (8) are arranged below the upper chord reinforcing steel bars (5) on the front ends and the rear ends of the web member reinforcing steel bars (7), and secondary bottom ribs (9) are arranged above the lower chord reinforcing steel, concrete layer (10) is all filled in the area outside the joint of web member reinforcing steel bar (7) and last chord reinforcing steel bar (5), last chord reinforcing steel bar (6), inferior direction top muscle (8) and inferior direction end muscle (9) and the joint of web member reinforcing steel bar (7) and die block steel sheet (4).

2. The sloping roof truss floor slab as claimed in claim 1, wherein the secondary top rib (8) is perpendicular to the upper chord steel bar (5), and the joint of the secondary top rib (8) of the upper chord steel bar (5) is bound with steel wires, and the joints of the secondary top rib (8) and the secondary bottom rib (9) and the web member steel bar (7) are connected by steel wires.

3. the sloping roof truss floor slab as claimed in claim 1, wherein the lower chord steel bars (6) are arranged vertically to the secondary bottom bars (9), and steel wires are bound to the joints of the lower chord steel bars (6) and the secondary bottom bars (9).

4. the pitched roof truss floor slab as claimed in claim 1, wherein the angle steel (2) is arranged in an L shape, and the ground of the angle steel (2) is welded with the top surface of the I-shaped steel (1).

5. the pitched roof truss floor slab as claimed in claim 1, wherein the bottom surface of the bottom die steel plate (4) is arranged at the joint of the top surfaces of the I-shaped steels (1) in a right angle shape, the bottom die steel plate (4) is fixed to the I-shaped steels (1) through rivets (3), the joints of the rivets (3) and the I-shaped steels (1) are welded and fixed, and a plurality of groups of rivets (3) are arranged in a vertical line.

6. A construction method of a pitched roof truss floor slab is characterized by comprising the following steps:

The method comprises the following steps: firstly, vertically placing an I-shaped steel (1) on a supporting surface, welding the joint of the bottom surface of an angle steel (2) and the top surface of the I-shaped steel (1), and erecting a bottom die steel plate (4) on the top surfaces of the I-shaped steel (1) and the angle steel (2);

Step two: fixing the joint of the bottom die steel plate (4) and the top surface of the I-shaped steel (1) by adopting a plurality of groups of rivets (3), welding the rivets (3) with the I-shaped steel (1), and fixing the joint of the bottom die steel plate (4) and the top surface of the angle steel (2) by adopting welding;

Step three: multiple groups of web member reinforcing steel bars (7) are sequentially erected on the top surface of the bottom die steel plate (4), upper chord reinforcing steel bars (5) are welded on the top end of each group of web member reinforcing steel bars (7), secondary direction top ribs (8) are welded at the positions of the front end and the rear end of the web member reinforcing steel bar (7) close to the lower part of the upper chord reinforcing steel bar (5), lower chord steel bars (6) are welded at the bottom parts of the two side walls of each group of web member steel bars (7), and the secondary direction bottom rib (9) is welded above the lower chord steel bar (6) at the front end and the rear end of the web member steel bar (7), the joint of the upper chord steel bar (5) and the secondary direction top rib (8) is bound by steel wires, the joint of the lower chord steel bar (6) and the secondary direction bottom rib (9) is bound by steel wires, and finally, a concrete layer (10) is filled in gaps between the top of the bottom die steel plate (4) and each structure, so that the construction of the whole inclined roof truss floor plate is completed.

Technical Field

The invention belongs to the technical field of roof construction, particularly relates to a pitched roof truss floor slab, and more particularly relates to a pitched roof truss floor slab and a construction method thereof.

Background

along with the development of society and building trade, demonstrate more and more european style building in the urban construction, because european style building roofing mostly is great span sloping roof, the sloping roof is reinforced concrete structure, the difficult construction of sloping roof below support frame leads to the sloping roof construction relatively difficult to do all can, and the big this problem of the traditional reinforced concrete structure sloping roof construction degree of difficulty can be solved to sloping roof truss floor board, the construction period can effectively be shortened in the construction of sloping roof truss floor board simultaneously, in order to overcome the big problem of the sloping roof construction degree of difficulty, and reduce the sloping roof support frame and set up simultaneously, reduce the construction cost, sloping roof truss floor board has been studied, and produce connection method and construction process to build thereupon.

the patent document with the application number of 201510957676.4 discloses a construction method of a large-gradient cast-in-place concrete inclined roof, which mainly comprises the following construction steps: (1) erecting a bottom die support of the roof panel; (2) mounting a bottom die of the roof panel; (3) erecting a roof panel surface mold; (4) the roof panel surface mold is installed, the construction period is long, the structure needs to be dismantled, and the construction cost is high.

the existing sloping roof truss floor slab has certain disadvantages in construction and use, and a supporting structure constructed when a bottom die steel plate is supported is relatively loaded during construction of the existing sloping roof truss floor slab, so that the existing sloping roof truss floor slab is not convenient to install; the existing sloping roof truss floor plate has a relatively common fixing effect on a bottom die steel plate; the conventional pitched roof truss floor plate has a long integral period and high construction cost during construction, and integrity between the pitched roof truss floor plate and a pitched roof cannot be guaranteed during later pouring, so that certain influence is brought to actual construction.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a sloping roof truss floor slab and a construction method thereof, which can solve the problems that when the existing sloping roof truss floor slab is constructed, a supporting structure constructed when a bottom die steel plate is supported is relatively loaded, and the installation is not convenient enough; the existing sloping roof truss floor plate has a relatively common fixing effect on a bottom die steel plate; the existing pitched roof truss floor slab has the problems of long integral period and high construction cost during construction and cannot ensure the integrity between the pitched roof truss floor slab and a pitched roof during later pouring.

The purpose of the invention can be realized by the following technical scheme:

The utility model provides a sloping roof truss floor board, includes the I-steel, the top of I-steel is leaned on one side to be provided with the angle steel, and the top surface of I-steel and angle steel all is connected with the die block steel sheet, runs through the top surface of die block steel sheet and the top surface of I-steel are provided with a plurality of groups rivet, the top surface of die block steel sheet is provided with a plurality of groups web member reinforcing bars, the top of web member reinforcing bar is provided with last chord steel, and the lateral wall of web member reinforcing bar has the lower chord reinforcing bar by the welding of bottom, the front and back end of web member reinforcing bar all is provided with the inferior direction top muscle by the below of last chord steel, and the top that the front and back end of web member reinforcing bar leaned on the lower chord steel all is provided with the inferior direction bottom muscle, the web member reinforcing bar is with last chord steel, lower chord steel, inferior direction top muscle and the bottom muscle of inferior.

As a further scheme of the invention: the secondary direction top rib and the upper chord steel bar are vertically arranged, a steel wire is bound at the joint of the secondary direction top rib of the upper chord steel bar, and the secondary direction top rib, the secondary direction bottom rib and the joint of the web member steel bar are all connected through the steel wire.

As a further scheme of the invention: the lower chord steel bar is perpendicular to the bottom rib in the inferior direction, and steel wires are bound at the joint of the lower chord steel bar and the bottom rib in the inferior direction.

as a further scheme of the invention: the angle steel is L-shaped, and the ground of the angle steel is welded with the top surface of the I-shaped steel.

As a further scheme of the invention: the bottom surface of die block steel sheet and the top surface of I-steel join the department and be the right angle form setting, and the die block steel sheet passes through the rivet and is fixed with the I-steel, and rivet and I-steel join the department welded fastening, a plurality of group's rivets are vertical row and open.

a construction method of a pitched roof truss floor slab specifically comprises the following steps:

The method comprises the following steps: firstly, vertically placing I-shaped steel on a supporting surface, welding the joint of the bottom surface of angle steel and the top surface of the I-shaped steel, and erecting a bottom die steel plate on the top surfaces of the I-shaped steel and the angle steel;

Step two: fixing the joint of the bottom die steel plate and the top surface of the I-shaped steel by adopting a plurality of groups of rivets, welding the rivets with the I-shaped steel, and fixing the joint of the bottom die steel plate and the top surface of the angle steel by adopting welding;

Step three: the construction method comprises the following steps of sequentially erecting multiple groups of web member steel bars on the top surface of a bottom die steel plate, welding upper chord steel bars at the top ends of each group of web member steel bars, welding secondary top ribs at positions, close to the lower portions of the upper chord steel bars, of the front ends and the rear ends of the web member steel bars, welding lower chord steel bars at positions, close to the lower portions of the two side walls of each group of web member steel bars, welding secondary bottom ribs above the front ends and the rear ends of the web member steel bars, binding joints of the upper chord steel bars and the secondary top ribs by steel wires, binding joints of the lower chord steel bars and the secondary bottom ribs by the steel wires, filling concrete layers in gaps between the top of the bottom die steel plate and each structure, and finishing the construction of the whole inclined roof truss floor plate.

the invention has the following beneficial effects:

1. According to the invention, the I-shaped steel and the angle steel are used as the support framework of the bottom die steel plate and are welded, so that the bottom die steel plate can be well supported, the support structure is simple, the operation is convenient during construction, and the support effect is good;

2. The I-shaped steel and the bottom die steel plate are fixed through the rivet, and the contact position of the rivet and the I-shaped steel is welded, so that the bottom die steel plate can be effectively placed to move, the bottom die steel plate is more convenient to fix, and the welding between the bottom die steel plate and the I-shaped steel is omitted;

3. The whole pitched roof truss floor plate is simple in structure, the construction is convenient, pouring construction of the pitched roof is facilitated, the upper chord steel bars and the top ribs in the inferior direction and the lower chord steel bars and the bottom ribs in the inferior direction are welded on the web member steel bars, finally, concrete layers are filled, the whole construction operation is simple, the integrity is good, the construction period is effectively shortened, the construction cost is reduced by adopting a concrete layer reinforcing mode, when the pitched roof truss floor plate is poured in the later period, included angles between the I-shaped steel and the pitched roof are poured along with the pitched roof truss floor plate, the I-shaped steel and the I-shaped steel are poured together, and the integrity between the pitched roof and the I-shaped steel is improved.

Drawings

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

fig. 1 is a structural elevation view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a connection diagram of the bottom die steel plate and the web member reinforcing steel bars of the present invention.

In the figure 1, I-shaped steel; 2. angle steel; 3. riveting; 4. a bottom die steel plate; 5. upper chord steel bars; 6. a lower chord steel bar; 7. web member reinforcing steel bars; 8. ejecting ribs in the secondary direction; 9. a secondary-direction bottom rib; 10. and a concrete layer.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, a pitched roof truss floor slab comprises an i-shaped steel 1, wherein an angle steel 2 is arranged at one side of the top end of the i-shaped steel 1, bottom die steel plates 4 are connected with the top surfaces of the i-shaped steel 1 and the angle steel 2, a plurality of sets of rivets 3 are arranged on the top surfaces of the i-shaped steel 1 and the bottom die steel plates 4, a plurality of sets of web members 7 are arranged on the top surface of the bottom die steel plates 4, upper chord steel bars 5 are arranged at the top ends of the web members 7, lower chord steel bars 6 are welded at the bottom parts of the side walls of the web members 7, secondary direction top bars 8 are arranged at the front and rear ends of the web members 7 below the upper chord steel bars 5, secondary direction bottom bars 9 are arranged at the front and rear ends of the web members 7 above the lower chord steel bars 6, secondary direction top bars 8 are connected with the secondary direction bottom bars 9, and concrete layers 10 are filled in the outer regions at the joints of the web members 7 with the bottom die steel plates 4, fill concrete layer 10, fix each structure, make things convenient for pouring in later stage.

Inferior direction top muscle 8 is perpendicular setting with last chord steel bar 5, and the ligature of inferior direction top muscle 8 linking department of last chord steel bar 5 has the steel wire, and inferior direction top muscle 8 and inferior direction bottom muscle 9 all are connected through steel wire ligature with web member reinforcing bar 7 linking department, and last chord steel bar 5 is banded with inferior direction top muscle 8, improves whole firm degree.

The lower chord steel bar 6 and the bottom rib 9 in the inferior direction are vertically arranged, a steel wire is bound at the joint of the lower chord steel bar 6 and the bottom rib 9 in the inferior direction, and the lower chord steel bar 6 and the bottom rib 9 in the inferior direction are bound, so that the overall firmness is improved.

the angle steel 2 is L-shaped, the ground of the angle steel 2 is welded with the top surface of the I-shaped steel 1, and the angle steel 2 and the I-shaped steel 1 play a supporting role.

The bottom die steel plate 4 is arranged at the joint of the bottom surface of the bottom die steel plate 4 and the top surface of the I-shaped steel 1 in a right-angle shape, the bottom die steel plate 4 is fixed with the I-shaped steel 1 through the rivet 3, the joint of the rivet 3 and the I-shaped steel 1 is welded and fixed, and the plurality of groups of rivets 3 are vertically arranged in a straight line.

A construction method of a pitched roof truss floor slab specifically comprises the following steps:

The method comprises the following steps: firstly, vertically placing an I-shaped steel 1 on a supporting surface, welding the joint of the bottom surface of an angle steel 2 and the top surface of the I-shaped steel 1, and erecting a bottom die steel plate 4 on the top surfaces of the I-shaped steel 1 and the angle steel 2;

step two: fixing the joint of the bottom die steel plate 4 and the top surface of the I-shaped steel 1 by adopting a plurality of groups of rivets 3, welding the rivets 3 with the I-shaped steel 1, and fixing the joint of the bottom die steel plate 4 and the top surface of the angle steel 2 by adopting welding;

Step three: the construction method comprises the steps of sequentially erecting multiple groups of web member steel bars 7 on the top surface of a bottom die steel plate 4, welding upper chord steel bars 5 at the top ends of each group of web member steel bars 7, welding secondary top ribs 8 at positions, close to the lower portions of the upper chord steel bars 5, at the front ends and the rear ends of the web member steel bars 7, welding lower chord steel bars 6 at positions, close to the lower portions of the two side walls of each group of web member steel bars 7, welding secondary bottom ribs 9 at positions, close to the upper portions of the lower chord steel bars 6, at the front ends and the rear ends of the web member steel bars 7, binding the upper chord steel bars 5 and the secondary top ribs 8 by using steel wires, binding the lower chord steel bars 6 and the secondary bottom ribs 9 by using the steel wires, finally filling concrete layers 10 in gaps between the top of the bottom die steel plate 4 and structures, and completing the construction of the.

According to the invention, the I-shaped steel 1 and the angle steel 2 are arranged as a support framework of the bottom die steel plate 4, and the I-shaped steel 1 and the angle steel 2 are welded, so that the bottom die steel plate 4 can be better supported, the support structure is simple, the operation is more convenient during construction, and the support effect is good; the I-shaped steel 1 and the bottom die steel plate 4 are fixed through the rivet 3, and the contact part of the rivet 3 and the I-shaped steel 1 is welded, so that the bottom die steel plate 4 can be effectively placed to move, the bottom die steel plate 4 is more convenient to fix, and the welding between the bottom die steel plate 4 and the I-shaped steel 1 is omitted; whole sloping roof truss floor plate simple structure, it is comparatively convenient when the construction, adopt last quarter reinforcing bar 5 and the welding of secondary direction top muscle 8 and bottom chord reinforcing bar 6 and secondary direction bottom muscle 9 on web member reinforcing bar 7, at last adopt concrete layer 10 to fill, whole construction easy operation, and the wholeness is better, the effectual construction cycle that has shortened, adopt the mode of concrete layer 10 reinforcement to reduce construction cost, when pouring in the later stage, contained angle is poured along with sloping roof truss floor plate between I-steel 1 and sloping roof, together pour, strengthen the wholeness between sloping roof and the I-steel 1.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.