阅读说明：本技术 一种跨越式模板支撑系统 (Striding type template support system ) 是由 曹树刚 丁兵兵 陈忠奇 关为民 鲁假超 于 2020-11-14 设计创作，主要内容包括：本发明涉及一种跨越式模板支撑系统,包括基坑,所述基坑底面铺设有筏板基础,基坑坡面铺设有护坡,所述护坡上端延伸至基坑顶面以构成护坡翻边,护坡翻边和筏板基础之间搭设有工字钢平台；所述工字钢平台包括铺垫工字钢、若干组支撑框以及直条钢筋,所述支撑框上端搭设在铺垫工字钢上；多组支撑框之间焊接有直条钢筋,支撑框上端还设置有若干钢筋支撑脚；相邻两组支撑框之间焊接有钢管剪刀撑；所述工字钢平台和筏板基础上均搭设有满堂支撑架。本发明通过在高低差区域、跨越基坑支护斜坡区域上方搭设平整的工字钢平台,使其可作为模板支撑系统或是高大模板支撑系统的平整基础。(The invention relates to a crossing type template supporting system which comprises a foundation pit, wherein a raft foundation is laid on the bottom surface of the foundation pit, a slope is laid on the slope surface of the foundation pit, the upper end of the slope extends to the top surface of the foundation pit to form a slope protection flanging, and an I-shaped steel platform is laid between the slope protection flanging and the raft foundation; the I-steel platform comprises bedding I-steel, a plurality of groups of supporting frames and straight steel bars, and the upper ends of the supporting frames are erected on the bedding I-steel; straight steel bars are welded among the multiple groups of supporting frames, and a plurality of steel bar supporting legs are further arranged at the upper ends of the supporting frames; a steel pipe cross brace is welded between every two adjacent groups of supporting frames; all set up full hall support frame on I-steel platform and the raft foundation. According to the invention, the flat I-shaped steel platform is erected above the height difference area and the area crossing the foundation pit supporting slope, so that the flat I-shaped steel platform can be used as a flat foundation of a template supporting system or a tall and big template supporting system.)

1. A crossing formwork support system comprises a foundation pit (1) and is characterized in that a raft foundation (2) is laid on the bottom surface of the foundation pit (1), a slope protection (17) is laid on the slope surface of the foundation pit (1), the upper end of the slope protection (17) extends to the top surface of the foundation pit (1) to form a slope protection flanging (3), and an I-shaped steel platform is erected between the slope protection flanging (3) and the raft foundation (2);

the I-steel platform comprises bedding I-steel (4) arranged on the slope protection flanging (3), a plurality of groups of supporting frames in a triangular structure and straight reinforcing steel bars (5), the plurality of groups of supporting frames are vertically arranged at intervals along the side edge of the foundation pit (1), and the upper ends of the supporting frames are lapped on the bedding I-steel (4);

straight steel bars (5) are welded among the groups of supporting frames to limit the positions of the supporting frames, and a plurality of steel bar supporting legs (6) are further arranged at the upper ends of the supporting frames; steel pipe cross braces (7) which are arranged in an X shape are welded between the two adjacent groups of support frames to reinforce the support frames;

all set up full hall support frame (8) on I-steel platform and raft foundation (2), full hall support frame (8) horizontal pole on raft foundation (2) extends to the carriage position, carries out welded connection rather than and forms node (13), and full hall support frame (8) vertical pole on the I-steel platform is pegged graft on reinforcing bar supporting legs (6) to prevent that the side from moving.

2. The crossing formwork support system according to claim 1, wherein a slope surface of the foundation pit (1) is distributed between the top surface of the foundation pit (1) and the bottom surface of the foundation pit (1), the I-steel platform is positioned above the slope surface of the foundation pit (1), and the I-steel platform, the top surface of the foundation pit (1) and the bottom surface of the foundation pit (1) are arranged in parallel.

3. The crossing formwork support system according to claim 1, wherein the length direction of the bedding joist steel (4) is consistent with the arrangement direction of the plurality of groups of support frames;

every group the carriage is including I-steel post (9), I-steel roof beam (10) and I-steel bracing (11) that are the triangular structure built-up connection, I-steel post (9) are vertical to be laid on raft foundation (2), weld between bedding I-steel (4) and I-steel post (9) I-steel roof beam (10), weld between I-steel roof beam (10) and I-steel post (9) I-steel bracing (11).

4. The crossing formwork support system according to claim 3, wherein a square steel backing plate (12) is welded at the bottom of the I-shaped steel column (9) to disperse the stress of the I-shaped steel column (9);

the upper end of the I-shaped steel inclined strut (11) is welded in the middle of the I-shaped steel beam (10), and the lower end of the I-shaped steel inclined strut is welded at the bottom of the I-shaped steel column (9).

5. The crossing formwork support system according to claim 3, wherein the straight steel bars (5) are welded among the I-shaped steel beams (10) of the multiple groups of support frames to ensure that the positions of the I-shaped steel beams (10) are not changed, the steel bar support feet (6) are welded on the I-shaped steel beams (10), and the steel bar support feet (6) are vertically arranged;

the steel pipe shear braces (7) are welded between the I-shaped steel columns (9) of the two adjacent groups of supporting frames and used for maintaining the stability of the I-shaped steel columns (9).

6. The crossing formwork support system according to claim 3, wherein the horizontal rods of the full framing support (8) on the raft foundation (2) extend to the positions of the I-shaped steel columns (9) and are welded and fixed with the I-shaped steel columns to form a first node (13).

7. The crossing formwork support system according to claim 6, wherein the raft foundation (2) is provided with structural columns (14), the structural columns (14) correspond to the I-shaped steel columns (9), and the full framing support frames (8) are arranged around the structural columns (14);

the structural column (14) is laterally provided with a column embracing steel pipe (15) at the periphery for embracing the structural column (14), and the column embracing steel pipe (15) extends to the position of the I-shaped steel column (9) and is welded and fixed with the I-shaped steel column to form a second node (16).

Technical Field

The invention relates to the technical field of building construction, in particular to a crossing type formwork supporting system.

Background

In the engineering construction process, the situation that full supporting frames are erected under various conditions cannot be avoided, the foundation of a common formwork supporting system is required to be flat and solid, the height difference of the foundation of a common formwork supporting frame body is required to be not more than 1000mm, the distance between vertical rods is generally about 900mm, and the construction needs to be determined through calculation; however, as the existing building types are developed in the directions of high, large, precise and sharp, a special formwork support system is always required to be erected at part of special positions, even in the case of erecting a high formwork support system under special conditions, for example, in a venue building, a structure overhanging component is arranged on an upward floor to be picked out of the edge of a lower floor, so that a full-hall support frame is required to be erected on the outer side of a main building, and the frame body is erected to the uppermost structure overhanging component, and is often a high formwork support system.

Under the circumstances, the formwork support systems at partial positions may possibly span a large height difference and span a foundation pit support slope area to erect the high formwork support systems, however, the slope surface of the foundation pit support slope is not high in strength, and according to relevant specifications, the foundation of the full-scale support frame is required to be flat and solid, and the slope surface of the foundation pit support slope obviously cannot be used as the foundation of the full-scale support frame body vertical rod. To this end, a straddle-type formwork support system is proposed.

Disclosure of Invention

The invention provides a spanning type formwork support system, aiming at solving the problems that no flat foundation is arranged at the bottom of a full supporting frame and the erection is inconvenient when a large height difference area is spanned and a foundation pit supporting slope area is spanned, and the spanning type formwork support system can be used as a flat foundation of a formwork support system or a high and large formwork support system by erecting an I-shaped steel platform above the slope area.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a span-type template supporting system comprises a foundation pit, wherein a raft foundation is laid on the bottom surface of the foundation pit, a slope protection is laid on the slope surface of the foundation pit, the upper end of the slope protection extends to the top surface of the foundation pit to form a slope protection flanging, and an I-shaped steel platform is laid between the slope protection flanging and the raft foundation;

the I-steel platform comprises bedding I-steel arranged on the slope protection flanging, a plurality of groups of supporting frames in a triangular structure and straight steel bars, the plurality of groups of supporting frames are vertically arranged at intervals along the side edge of the foundation pit, and the upper ends of the supporting frames are erected on the bedding I-steel;

straight steel bars are welded among the multiple groups of supporting frames to limit the positions of the supporting frames, and a plurality of steel bar supporting legs are further arranged at the upper ends of the supporting frames; steel pipe cross braces which are arranged in an X shape are welded between the two adjacent groups of supporting frames to reinforce the supporting frames;

all set up full hall support frame on I-steel platform and the raft foundation, full hall support frame horizontal pole on the raft foundation extends to the carriage position, carries out welded connection rather than and forms node one, and the vertical pole of full hall support frame on the I-steel platform is pegged graft on the reinforcing bar supporting legs to prevent that the side from moving.

Further, a foundation pit slope surface is distributed between the foundation pit top surface and the foundation pit bottom surface, the I-shaped steel platform is located above the foundation pit slope surface, and the I-shaped steel platform, the foundation pit top surface and the foundation pit bottom surface are arranged in parallel.

Further, the length direction of the bedding joist steel is consistent with the arrangement direction of the plurality of groups of supporting frames; each group of the supporting frames comprise I-shaped steel columns, I-shaped steel beams and I-shaped steel inclined struts which are in triangular structure combined connection, the I-shaped steel columns are vertically arranged on a raft foundation, the I-shaped steel beams are welded between the bedding I-shaped steel columns, and the I-shaped steel inclined struts are welded between the I-shaped steel beams and the I-shaped steel columns.

Furthermore, a square steel base plate is welded at the bottom of the I-shaped steel column to disperse the stress of the I-shaped steel column; the upper end of the I-steel inclined strut is welded at the middle part of the I-steel beam, and the lower end of the I-steel inclined strut is welded at the bottom of the I-steel column.

Further, the straight steel bars are welded among the I-shaped steel beams of the multiple groups of supporting frames to ensure that the positions of the I-shaped steel beams are not changed, the steel bar supporting legs are welded on the I-shaped steel beams, and the steel bar supporting legs are vertically arranged;

and the steel pipe shear braces are welded between the I-shaped steel columns of the two adjacent groups of supporting frames and are used for maintaining the stability of the I-shaped steel columns.

Furthermore, full hall support frame horizontal rod on the raft foundation extends to the I-shaped steel column position, carries out welded fastening rather than forming node one.

Furthermore, a structural column is arranged on the raft foundation, the structural column corresponds to the position of the I-shaped steel column, and the full-space supporting frame is arranged around the structural column;

and the side lapping is arranged on the periphery of the structural column and is used for carrying out column wrapping on the structural column, and the column wrapping steel pipe extends to the position of the I-shaped steel column and is welded and fixed with the I-shaped steel column to form a second node.

Through the technical scheme, the invention has the beneficial effects that:

the support system is reasonable in structural design, and can be used for crossing the height difference and erecting full formwork frames in a slope crossing region, so that the problems that the existing conventional formwork support system cannot be used for erecting the full formwork frames at special positions and the high and large formwork full formwork support system is erected in the slope crossing region with the higher height difference can be solved; the I-steel platform which is built manually is used as a flat and solid upright pole foundation of the formwork support system, and then the full-hall support frame can be built on the I-steel platform.

According to the invention, the I-steel platform is built by using the common I-steel materials in the construction site and fully utilizing the original building materials in the construction site, other building materials are not required to be newly added, the construction is convenient and rapid, the cost is saved, and each part of the I-steel platform is reinforced strongly to be used as the foundation of a template supporting system or even a high and large template supporting system, so that a full-scale supporting frame can be conveniently built in a matching way, the practical engineering application is safe and reliable, and the good effect of solving the large problem at low cost is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a cross-over form support system of the present invention.

FIG. 2 is a schematic view of the cross-bracing distribution of steel tubes from A to A of FIG. 1 of a cross-bracing formwork support system of the present invention.

Fig. 3 is a schematic diagram of the construction of an i-steel platform of the crossing formwork support system of the invention.

Fig. 4 is a schematic view illustrating connection between a steel column of a column embracing and an i-shaped steel column of the crossing formwork support system according to the present invention.

FIG. 5 is a schematic view of node bipartite distribution of a cross-over form support system according to the present invention.

Fig. 6 is a top view of fig. 5 of a spanned formwork support system of the present invention.

Fig. 7 is a schematic view of the full hall bracing of a spanned formwork support system of the present invention.

FIG. 8 is a schematic node-distribution diagram of a cross-over form support system of the present invention.

The reference numbers in the drawings are as follows: the raft foundation comprises a foundation pit 1, a raft foundation 2, a slope protection flanging 3, a bedding I-steel 4, a straight reinforcing steel bar 5, a reinforcing steel bar supporting leg 6, a steel pipe cross brace 7, a full-hall supporting frame 8, an I-steel column 9, an I-steel beam 10, an I-steel diagonal brace 11, a steel base plate 12, a first node 13, a structural column 14, a column-embracing steel pipe 15, a second node 16 and a slope protection 17.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings in which:

as shown in fig. 1 to 8, a crossing formwork support system comprises a foundation pit 1, wherein a raft foundation 2 is laid on the bottom surface of the foundation pit 1, the raft foundation 2 is an internal foundation of a main building, namely one of supports of an integral i-steel platform, a slope surface of the foundation pit 1 is laid with a protection slope 17, and the upper end of the protection slope 17 extends to the top surface of the foundation pit 1 to form a protection slope flange 3;

a foundation pit 1 slope is distributed between the top surface of the foundation pit 1 and the bottom surface of the foundation pit 1, and the foundation pit 1 slope is a part to be spanned by the full-scale supporting system; h-shaped steel platforms are erected between the slope protection flanging 3 and the raft foundation 2, the H-shaped steel platforms are located above the slope surface of the foundation pit 1, and the H-shaped steel platforms, the top surface of the foundation pit 1 and the bottom surface of the foundation pit 1 are arranged in parallel.

The I-steel platform is a foundation of a high and large formwork support system erected manually by I-steel, one end of the I-steel platform is supported on the raft foundation 2, the other end of the I-steel platform is supported on the slope protection flanging 3, and all supporting points are on a solid foundation, so that the possibility of sinking of the I-steel platform is avoided.

As shown in fig. 3, in this embodiment, the i-steel platform is the carriage and the vertical bar reinforcing bar 5 that triangular structure is including setting up foreshadowing i-steel 4, a plurality of group on slope protection turn-ups 3, foreshadowing i-steel 4 is two of the support of whole i-steel platform, foreshadowing i-steel 4 length direction and a plurality of group the carriage direction of arranging is unanimous, and a plurality of groups of carriages are arranged along 1 lateral margin vertical interval of foundation ditch, and the carriage upper end is taken and is established on foreshadowing i-steel 4.

Specifically, every group the carriage is including being I-steel post 9, I-steel roof beam 10 and I-steel bracing 11 that triangular structure built-up connection, I-steel post 9 is vertical to be laid on raft foundation 2, and I-steel post 9 is the support of I-steel roof beam 10, and in order to disperse the atress of I-steel post 9, square steel backing plate 12 has been welded to I-steel post 9 bottom, and steel backing plate 12 multiplicable I-steel post 9 and raft foundation 2's area of contact.

The I-shaped steel beam 10 is welded between the bedding I-shaped steel 4 and the I-shaped steel column 9, the I-shaped steel beam 10 is a vertical rod foundation of the template support system, the I-shaped steel beam 10 is arranged in parallel with the raft foundation 2, and the I-shaped steel diagonal brace 11 is welded between the I-shaped steel beam 10 and the I-shaped steel column 9, namely the upper end of the I-shaped steel diagonal brace 11 is welded in the middle of the I-shaped steel beam 10, and the lower end of the I-shaped steel diagonal brace is welded at the bottom of the I;

the I-steel inclined strut 11 is reinforced to be a middle supporting point of the I-steel beam 10, one end of the I-steel inclined strut is fully welded and reinforced with the I-steel beam 10, the other end of the I-steel inclined strut is fully welded and reinforced with the I-steel column 9, a stable triangular supporting system is formed, the middle supporting point of the I-steel beam 10 is increased, the span of the I-steel beam 10 is reduced, and the safety of the whole I-steel platform is guaranteed.

In order to ensure that the I-shaped steel beams 10 do not move, the straight steel bars 5 are welded among the I-shaped steel beams 10 of the multiple groups of supporting frames so as to ensure that the positions of the I-shaped steel beams 10 are not changed; the I-shaped steel beam 10 is welded with the steel bar supporting legs 6, and the steel bar supporting legs 6 are vertically arranged.

In order to play a role in reinforcing adjacent supporting frames, steel pipe bridging 7 arranged in an x shape is welded between the I-shaped steel columns 9 of the two adjacent groups of supporting frames, one end of each steel pipe bridging 7 is fully welded and reinforced with the upper end of one I-shaped steel column 9, the other end of each steel pipe bridging 7 is fully welded and reinforced with the lower end of the adjacent I-shaped steel column 9, and the steel pipe bridging 7 serves as a reinforcing piece of the I-shaped steel column 9 and is used for maintaining the stability of the I-shaped steel column 9.

Full-hall supporting frames 8 are erected on the I-shaped steel platform and the raft foundation 2, vertical rods of the full-hall supporting frames 8 on the I-shaped steel platform are inserted into the steel bar supporting feet 6 and are prevented from moving laterally under the action of the steel bar supporting feet 6, and the full-hall supporting frames 8 on the raft foundation 2 are full-hall supporting frames 8 in the main building;

as shown in fig. 8, when the raft foundation 2 is not provided with the structural columns 14, the horizontal rods of the full framing support 8 on the raft foundation 2 extend to the positions of the i-shaped steel columns 9 and are welded and fixed with the i-shaped steel columns to form first nodes 13, so as to play a role in connection and support;

as shown in fig. 4-6, when the raft foundation 2 is provided with the structural column 14, when the structural column 14 corresponds to the i-shaped steel column 9, the full-scale supporting frame 8 is surrounded on the periphery of the structural column 14, at this time, the surrounding sides of the structural column 14 are provided with the embracing column steel pipes 15, the embracing column steel pipes 15 are used for embracing the structural column 14, the adjacent embracing steel pipes are fastened through connecting fasteners, and one embracing column steel pipe 15 extends to the i-shaped steel column 9 and is welded and fixed with the i-shaped steel column to form a second node 16, so that the connecting and supporting functions are also achieved.

The invention provides a full framing support system spanning height difference and spanning slope areas, wherein a vertical rod foundation of a formwork support system is converted into a flat and solid foundation from the height span and the slope areas, an integral I-shaped steel platform is manually erected, the I-shaped steel platform is stable in structure, and the I-shaped steel platform can be used as a flat foundation erected by the formwork support system and even a high and large formwork support system.

The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.