A combined suspension building structure system of steel truss and steel cable and construction method thereof

Abstract

The application relates to a kind of steel truss and steel cable combined hanging building structure system and its construction method, including steel truss, steel cable, steel hanging column, reinforced concrete core tube shear wall, steel-mix combined floor, foundation;Steel truss is arranged at the top of building structure, part is buried in reinforced concrete core tube shear wall, steel cable fixed end is connected with steel truss through first connecting lug plate pin shaft connection, steel cable tensioning end is connected with steel hanging column through second connecting lug plate pin shaft connection;Steel hanging column upper end is connected with steel cable, steel-mix combined floor one end is rigidly connected with steel hanging column, the other end is hingedly connected with reinforced concrete core tube shear wall, reinforced concrete core tube shear wall is rigidly connected with foundation.Compared with prior art, the application combines steel truss and steel cable, forms a kind of hanging building structure system, can satisfy the building lower part through no column large space building design demand, has building through beautiful, material consumption is low, structural safety and other advantages.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building structures, in particular to a combined hanging building structure system of steel truss and steel cable and a construction method thereof. BACKGROUND

[0002] In recent years, with the improvement of people's aesthetic and the development of building technology, various novel buildings are emerging, and the demand for structural form innovation is increasingly urgent. In order to realize the building transparent public activity space, the architect creates a large space without column at the bottom of the building, and the vertical components of the outer frame cannot be placed on the ground. The structure can adopt cantilever beam, cantilever bracing truss, cantilever hanging truss and other schemes to realize the above architect's creativity, but the existing structure form has the problems of occupying building use space, large component size, affecting net height, large steel consumption and the like.

[0003] For example, the invention patent CN 108756254A discloses a cantilever truss platform and a mounting method of cantilever truss. The cantilever truss platform provided by the invention comprises a building structure body and a truss unit. One side of the building structure body is provided with a truss mounting surface. The truss unit comprises a cantilever truss, a detachable connecting piece, a mounting support, a first lifting piece and a first lifting and pulling device. The cantilever truss is connected to the truss mounting surface through the detachable connecting piece. The first end of the mounting support is connected to the building structure body, and the second end extends above the cantilever truss. The first end of the first lifting piece is connected to the second end of the mounting support through the first lifting and pulling device, and the second end of the first lifting piece is connected to the cantilever truss. Through the first lifting and pulling device, the length of the first lifting piece can be adjusted. However, the cantilever truss platform provided by the invention also has the above-mentioned problems of occupying building use space, large component size, affecting net height, large steel consumption and the like. SUMMARY

[0004] The purpose of the present application is to overcome the defects of the prior art and provide a combined hanging building structure system of steel truss and steel cable. Part of the floor vertical load is transmitted to the steel truss at the top of the building through the steel hanging column and the steel cable layer by layer, and then transmitted to the foundation by the reinforced concrete core wall. The cantilever span of the steel truss is small, the system is reasonable, the force transmission is clear, the building is transparent and beautiful, and the material consumption is low.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] The first object of the present application is to provide a steel truss and steel cable combined hanging building structure system, comprising a steel truss, a steel cable, a steel hanging column, a reinforced concrete core tube shear wall, a steel-concrete combined floor, and a foundation; the steel truss is arranged at the top of the building structure, disposed at the top of the reinforced concrete core tube shear wall, and partially embedded in the reinforced concrete core tube shear wall; one end of the steel cable is connected with the steel truss, and the other end is connected with the steel hanging column; the upper end of the steel hanging column is connected with the steel cable; the steel-concrete combined floor (steel and concrete combined floor) comprises a steel beam, one end of which is connected with the steel hanging column, and the other end is connected with the reinforced concrete core tube shear wall; the reinforced concrete core tube shear wall is rigidly connected with the foundation.

[0007] Further, the steel truss penetrates the reinforced concrete core tube shear wall, and the steel truss is partially embedded in the reinforced concrete core tube shear wall.

[0008] Further, the steel cable comprises a tensioning end and a fixed end; the fixed end of the steel cable is connected with the steel truss; and the tensioning end of the steel cable is connected with the steel hanging column.

[0009] Further, the fixed end of the steel cable is connected with the steel truss through a first connecting lug pin shaft; and the tensioning end of the steel cable is connected with the steel hanging column through a second connecting lug pin shaft.

[0010] Further, the first connecting lug is welded at the end node of the steel truss, and the second connecting lug is welded at the node of the steel hanging column and the steel beam of the steel-concrete combined floor.

[0011] Further, a plurality of steel cables are provided, distributed between the steel truss and the steel hanging column, and the steel cable and the steel truss combine to hang the lower outer steel frame structure.

[0012] Further, the steel hanging column comprises a plurality of layers of frame columns, which are rigidly connected between each layer.

[0013] Further, the steel-concrete combined floor further comprises a reinforced concrete floor slab; and the reinforced concrete floor slab is connected with the steel beam through studs.

[0014] Further, one end of the steel-concrete combined floor is rigidly connected with the steel hanging column, and the other end is hingedly connected with the reinforced concrete core tube shear wall.

[0015] The second object of the present application is to provide a construction method of a steel truss and steel cable combined hanging building structure system, comprising the following steps:

[0016] S1, first construct the foundation, and then construct the reinforced concrete core tube shear wall to the second last layer at the top;

[0017] S2, assemble the steel truss on the ground, lift it to the top floor position of the reinforced concrete core tube shear wall, install it in place, and construct the top floor of the reinforced concrete core tube shear wall;

[0018] S3, install the steel cable, and connect the steel cable with the steel truss;

[0019] S4, install the steel hanging column and the steel beam in the steel and concrete combined floor from top to bottom, the steel hanging column is connected with the steel cable, the steel beam is rigidly connected with the steel hanging column, and the steel beam is hingedly connected with the reinforced concrete core tube shear wall;

[0020] S5, after the installation of the steel hanging column and the steel beam in the steel and concrete combined floor is completed, the steel cable is adjusted to apply prestress according to the design requirements, and finally the construction of the steel and concrete combined floor of each layer is completed.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] 1) The combined hanging building structure system of the steel truss and the steel cable of the present application, the vertical components of the outer frame are not landed, and the column-free public activity space at the bottom of the building can be realized.

[0023] 2) In the combined hanging building structure system of the steel truss and the steel cable of the present application, part of the floor vertical load is transmitted to the steel truss at the top of the building through the steel hanging column and the steel cable layer by layer, and then transmitted to the foundation through the reinforced concrete core tube shear wall, the force transmission system is reasonable, and the stress is clear.

[0024] 3) In the combined hanging building structure system of the steel truss and the steel cable of the present application, the steel truss has small cantilever span, and the amount of steel can be saved.

[0025] 4) In the combined hanging building structure system of the steel truss and the steel cable of the present application, the steel hanging is in tension, the performance of steel under tension can be fully utilized, the component can use slender hanging column, and the building facade transparency effect can be realized.

[0026] 5) In the combined hanging building structure system of the steel truss and the steel cable of the present application, the steel cable has high strength and small cross section, and the transparency effect of the top space of the building can be realized.

[0027] 6) In the combined hanging building structure system of the steel truss and the steel cable of the present application, the steel hanging column can also be used as a curtain wall keel, the building structure is integrated, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1 It is a structural schematic view of a combined hanging building structure system of a steel truss and a steel cable of the present application;

[0029] Fig. 2 It is a structural schematic view of a steel truss and a steel cable, a steel hanging column of the present application;

[0030] Fig. 3 The elevation view of the reinforced concrete core wall of the application;

[0031] Fig. 4 The installation schematic view of the steel truss and steel cable of the application;

[0032] Fig. 5 The structural schematic view of the steel cable of the application;

[0033] The labels in the figure show:

[0034] 1. Steel truss, 2. Steel cable, 3. Steel hanging column, 4. Reinforced concrete core wall, 5. Steel-concrete composite floor, 6. Foundation, 21. Tension end, 22. Fixed end, 71. First connecting lug, 72. Second connecting lug. DETAILED DESCRIPTION

[0035] The application will be described in detail below in combination with the drawings and specific embodiments. In the technical solution, the component models, material names, connection structures and other features not explicitly described are considered as common technical features disclosed in the prior art.

[0036] The content of the application will be further described in detail below in combination with specific embodiments.

[0037] EMBODIMENT

[0038] As shown in the figure, the embodiment provides a combined hanging building structure system of steel truss and steel cable, which comprises a steel truss 1, a steel cable 2, a steel hanging column 3, a reinforced concrete core wall 4, a steel-concrete composite floor 5 and a foundation 6. Figs. 1-5

[0039] The steel-concrete composite floor 5 comprises a steel beam and a reinforced concrete floor; one end of the steel beam is rigidly connected with the steel hanging column 3, and the other end is hingedly connected with the reinforced concrete core wall 4; the reinforced concrete floor is connected with the steel beam through studs.

[0040] The reinforced concrete core wall 4 is rigidly connected with the foundation 6.

[0041] The steel truss 1 is arranged at the top of the building structure, is arranged at the top of the reinforced concrete core wall 4, penetrates through the reinforced concrete core wall 4, and is partially embedded in the reinforced concrete core wall 4.

[0042] ​The steel cable 2 is provided with a plurality of steel cables, which are distributed between the steel truss 1 and the steel suspension column 3. The steel cable 2 comprises a tensioning end 21 and a fixed end 22. The fixed end 22 is connected to the steel truss 1 through a first connecting lug plate 71 pin shaft. The tensioning end 21 is connected to the steel suspension column 3 through a second connecting lug plate 72 pin shaft. The steel cable 2 is combined with the steel truss 1 to hang the lower outer steel frame structure.

[0043] The first connecting lug plate 71 is welded at the end node of the steel truss 1. The second connecting lug plate 72 is welded at the node of the steel beam in the steel and concrete combined floor 5 of the steel suspension column 3.

[0044] The steel suspension column 3 comprises a plurality of layers of frame columns, which are rigidly connected between each layer of frame columns. The upper end of the steel suspension column 3 is connected to the steel cable 2.

[0045] The construction method of the above-mentioned combined hanging building structure system of the steel truss and the steel cable comprises the following steps:

[0046] S1, first construct the foundation 6, and then construct the reinforced concrete core wall 5 to the second-to-top floor.

[0047] S2, assemble the steel truss 1 on the ground, lift it to the top floor position of the reinforced concrete core wall 5 through the tower crane, install it in place, and construct the reinforced concrete core wall 5 at the top floor.

[0048] S3, install the steel cable 2, and connect the fixed end 22 of the steel cable 2 to the steel truss 1 through the first connecting lug plate 61.

[0049] S4, install the steel suspension column 3 and the steel beam in the steel and concrete combined floor 5 from top to bottom. The steel suspension column 3 is connected to the tensioning end 21 of the steel cable 2 through the second connecting lug plate 62. The steel beam is rigidly connected to the steel suspension column 3, and the steel beam is hingedly connected to the reinforced concrete core wall 4.

[0050] S5, after the installation of each layer of steel suspension column 3 and steel beam in the steel and concrete combined floor 5 is completed, adjust the tensioning end 21 of the steel cable 2 to apply prestress according to the design requirements, and finally construct the reinforced concrete floor in each layer of steel and concrete combined floor 5.

[0051] The above description of the embodiments is for the convenience of those skilled in the art to understand and use the invention. Those skilled in the art can easily make various modifications to these embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the present application is not limited to the above-mentioned embodiments, and the improvements and modifications made by those skilled in the art without departing from the scope of the present application should be within the scope of protection of the present application.

Claims

1. A combined suspended building structure system of steel trusses and steel cables, characterized in that, Includes steel truss (1), steel cables (2), steel hanging columns (3), reinforced concrete core tube shear wall (4), steel-concrete composite floor slab (5), and foundation (6); The steel truss (1) is arranged on the top of the reinforced concrete core tube shear wall (4) and is partially embedded in the reinforced concrete core tube shear wall (4). One end of the steel cable (2) is connected to the end node of the steel truss (1), and the other end is connected to the steel hanging column (3); The upper end of the steel hanging column (3) is connected to the steel cable (2); The steel-concrete composite floor slab (5) includes steel beams, one end of which is connected to a steel hanging column (3), and the other end is connected to a reinforced concrete core tube shear wall (4). The reinforced concrete core tube shear wall (4) is rigidly connected to the foundation (6); The steel cables (2) are installed at an angle, and the steel cables (2) on both sides of the reinforced concrete core tube shear wall (4) are distributed in an outward V-shape.

2. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, The steel truss (1) penetrates the reinforced concrete core tube shear wall (4).

3. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, The steel cable (2) includes a tensioning end (21) and a fixed end (22); The fixed end (22) of the steel cable (2) is connected to the steel truss (1); The tensioning end (21) of the steel cable (2) is connected to the steel hanging column (3).

4. The combined suspended building structure system of steel truss and steel cable according to claim 3, characterized in that, The fixed end (22) of the steel cable (2) is connected to the steel truss (1) by a pin of the first connecting lug (71); The tensioning end (21) of the steel cable (2) is connected to the steel hanging column (3) by a pin of the second connecting lug (72).

5. The combined suspended building structure system of steel truss and steel cable according to claim 4, characterized in that, The first connecting ear plate (71) is welded to the end node of the steel truss (1), and the second connecting ear plate (72) is welded to the node of the steel column (3) and the steel beam in the steel-concrete composite floor (5).

6. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, The steel cables (2) are provided in multiples and are distributed between the steel truss (1) and the steel hanging column (3).

7. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, The steel hanging column (3) includes a multi-layer frame column, with rigid connections between the frame columns of each layer.

8. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, The steel-concrete composite floor slab (5) also includes a reinforced concrete floor slab; The reinforced concrete floor slab is connected to the steel beam by studs.

9. The combined suspended building structure system of steel truss and steel cable according to claim 1, characterized in that, One end of the steel-concrete composite floor slab (5) is rigidly connected to the steel hanging column (3), and the other end is hingedly connected to the reinforced concrete core tube shear wall (4).

10. A construction method for a combined suspended building structure system of steel trusses and steel cables as described in any one of claims 1-9, characterized in that, Includes the following steps: S1. First construct the foundation (6), then construct the reinforced concrete core tube shear wall (4) up to the second to last floor from the top. S2. Assemble the steel truss (1) on the ground, lift it to the top floor position of the reinforced concrete core tube shear wall (4), install it in place, and construct the top floor of the reinforced concrete core tube shear wall (4). S3. Install steel cable (2) and connect steel cable (2) to steel truss (1); S4. Install steel columns (3) and steel beams in steel-concrete composite floor slab (5) from top to bottom. The steel columns (3) are connected to the steel cables (2). The steel beams are rigidly connected to the steel columns (3). The steel beams are hinged to the reinforced concrete core tube shear wall (4). S5. After the steel beams in the steel hanging columns (3) and steel-concrete composite floor slab (5) of each floor are installed, the steel cables (2) are adjusted to apply prestress according to the design requirements, and finally the steel-concrete composite floor slab (5) of each floor is completed.

Images