CN214739011U - T-shaped rectangular steel pipe-corrugated steel plate combined wall arranged at intersection of three walls of building - Google Patents
T-shaped rectangular steel pipe-corrugated steel plate combined wall arranged at intersection of three walls of building Download PDFInfo
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- CN214739011U CN214739011U CN202022530922.7U CN202022530922U CN214739011U CN 214739011 U CN214739011 U CN 214739011U CN 202022530922 U CN202022530922 U CN 202022530922U CN 214739011 U CN214739011 U CN 214739011U
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Abstract
The application relates to the field of building structure engineering, and discloses a T-shaped rectangular steel pipe-corrugated steel plate combined wall arranged at the intersection of three walls of a building, which is characterized in that: the three-column-shaped steel pipe column is arranged at the intersection of three walls of a building plane, one rectangular steel pipe column (2) is positioned in the center of the T-shaped combined wall, and the remaining three steel pipe columns are respectively positioned at the end sides of the T-shaped combined wall; the three corrugated steel plates (3) form a T shape by taking a central rectangular steel pipe column (2) as a center; the wave crest is transversely arranged along the corrugations, and the outermost side of the wave crest is flush with the outer side of the rectangular steel pipe; the corrugated steel plate (3) is connected with the rectangular steel pipe column (2) through a welding seam; the reinforcing mesh (4) is formed by spot welding or binding orthogonal reinforcing steel bars and then welded on the inner side of the corrugated steel plate (3) by spot welding; the inner filling concrete (5) is poured inside a cavity of the rectangular steel pipe column (2), and the inner filling concrete (5) is poured inside a cavity formed by the rectangular steel pipe column (2) and the corrugated steel plate (3); the steel bar net sheet (4) is fixedly connected in the concrete (5).
Description
Technical Field
The application relates to the field of building structure engineering, in particular to a T-shaped rectangular steel pipe-corrugated steel plate combined wall.
Background
The assembled steel-concrete combined structure house has the advantages of high industrialization degree, good component quality, short construction period, good earthquake resistance, high comprehensive technical and economic indexes and the like, and is one of the assembled building systems which are mainly supported and developed by the nation. The existing multi-story and high-rise fabricated steel-concrete combined structure house can be generally divided into two major structural systems, namely a steel-concrete combined column frame-support (shear wall) structure and a steel-concrete combined shear wall (steel tube bundle concrete shear wall or steel plate shear wall and the like) structure. In order to meet the functional requirements of residential buildings and the use habits of users, the building planes are required to be flexibly arranged, so that the axes of all rooms are usually arranged in a staggered manner, when a frame structure system is adopted, in order to meet the standard requirements of structural design indexes, the sub-frames with staggered axes are required to be connected into an integral frame by increasing combination columns and the like to bear horizontal load, so that the steel consumption is increased, the use function of the building is influenced, and the like; practices show that the shear wall structure system can well meet the requirement of flexible plane of high-rise residential buildings, but the problems of large steel consumption, large construction difficulty, high overall cost and the like caused by the complex structure of the rigid connection node of the beam and the shear wall, large on-site welding amount of vertical members and large fireproof coating area of the shear wall of the conventional assembled steel-concrete combined shear wall structure system are seriously limited, and the application of the assembled steel-concrete combined structure system in the residential buildings is seriously limited. Due to the bottleneck problem, the proportion of the structure in residential buildings in China is less than 1 percent and is far lower than the average level of developed countries by 20 to 30 percent. Based on the structure, on the premise of ensuring the bearing capacity and the anti-seismic performance of the structure, the invention provides a novel steel-concrete combined structure system and a member which can obviously reduce the steel consumption and the manufacturing and installation cost and are suitable for flexible arrangement of building planes, so as to improve the application proportion of the assembled steel-concrete combined structure in China, and has important significance.
Disclosure of Invention
The application aims to provide the T-shaped rectangular steel pipe-corrugated steel plate combined wall based on the overall design concept of bearing and side separation resistance, the formed rectangular steel pipe concrete column is comprehensively utilized to have the advantages of high bearing performance, convenience in manufacturing and installation, high out-of-plane rigidity of the corrugated steel plate, good local buckling bearing performance and the like, and the problems of complex structure, difficult field connection of vertical members, large steel consumption, difficult manufacturing and installation, high overall cost and the like of the T-shaped shear wall-steel beam joint of the conventional assembly type steel-concrete combined structure are solved through reasonable combination. The rectangular concrete-filled steel tube columns are arranged at the end parts of the combined wall, so that the common working performance of the combined wall is effectively improved, the anti-seismic performance of the wall body is improved, the connection structure with steel beams is simplified, and the vertical bearing capacity of the combined wall can be further improved by applying high-strength steel and high-strength concrete.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides a T shape rectangle steel pipe-ripples folded steel plate combination wall (1), its characterized in that: arranged at the intersection of three walls on a building plane and comprises four rectangular steel pipe columns (2), three corrugated steel plates (3), a reinforcing mesh (4) and inner filling concrete (5),
one rectangular steel pipe column (2) is positioned in the center of the T-shaped combined wall, and the remaining three rectangular steel pipe columns are respectively positioned on the end sides of the T-shaped combined wall; the three corrugated steel plates (3) form a T shape by taking a central rectangular steel pipe column (2) as a center;
the rectangular steel pipe column (2) is formed by cold bending or welding steel plates;
the corrugated steel plate (3) is connected with the rectangular steel pipe columns (2) on the two sides through welding seams and is transversely arranged along corrugations, and the outermost side of the wave crest is flush with the outer sides of the rectangular steel pipe columns;
the corrugated steel plate (3) is connected with the rectangular steel pipe column (2) through a welding seam;
the reinforcing mesh (4) is formed by spot welding or binding orthogonal reinforcing steel bars and then welded on the inner side of the corrugated steel plate (3) by spot welding;
the inner filling concrete (5) is poured inside a cavity of the rectangular steel pipe column (2), and the inner filling concrete (5) is poured inside a cavity formed by the rectangular steel pipe column (2) and the corrugated steel plate (3); the steel bar net sheet (4) is fixedly connected in the concrete (5).
The T-shaped rectangular steel pipe-corrugated steel plate combined wall is characterized in that: the longitudinal steel bars of the steel bar net piece are connected with the wave crests on the inner side of the corrugated steel plate through spot welding and are used as longitudinal and transverse stress steel bars of the corrugated steel plate-reinforced concrete shearing force, wherein the corrugated steel plate is placed transversely along the corrugations and only bears horizontal load.
The T-shaped rectangular steel pipe-corrugated steel plate combined wall is characterized in that: the corrugated steel plate (3) is a trapezoidal, rectangular, wavy or closed profiled steel plate; the corrugated steel plate is manufactured by two modes of bending forming and stamping die forming, or a product with relevant waveform is adopted;
the rectangular steel pipe column (2) is made of common steel or high-strength steel, and the corrugated steel plate (3) is made of common steel.
The T-shaped rectangular steel pipe-corrugated steel plate combined wall is characterized in that: and longitudinal steel bars in the steel bar mesh (4) need to meet the bearing capacity and structural requirements of the reinforced concrete shear wall.
The longitudinal steel bars of the steel bar net piece are connected with the wave crests on the inner side of the corrugated steel plate through spot welding and are used as longitudinal and transverse stress steel bars of the corrugated steel plate-reinforced concrete shearing force, wherein the corrugated steel plate is placed transversely along the corrugations and only bears horizontal load.
The rectangular steel pipe concrete column is arranged at the end part of the combined wall by utilizing the advantages of high bearing performance and convenience in connection with the steel beam, so that the common working performance of the combined wall can be effectively improved, the anti-seismic performance of the wall body is improved, and the connection structure with the steel beam is simplified; the rectangular steel tube concrete column is made of high-strength steel and high-strength concrete, and the vertical bearing capacity of the combined wall can be further improved; the corrugated steel plate has the functions of the transverse stressed steel bars of the combined wall and the concrete pouring template, the advantage of large plane external rigidity of the corrugated steel plate can be fully exerted, and the overall steel consumption of the structure is effectively reduced; meanwhile, the corrugated steel plate does not bear vertical load, and does not have fireproof requirements according to the regulation, so that the total cost can be reduced; if the corrugated steel plate is a closed steel plate, the corrugated steel plate also has the functions of assembly decoration and pipeline bracket connecting base plates.
Furthermore, the rectangular steel pipe concrete column formed at the end part of the T-shaped rectangular steel pipe-corrugated steel plate combined wall can be made of high-strength steel, common steel, high-strength concrete or common concrete, the width of the section is consistent with the width of the wall body, and the width-thickness ratio is controlled according to the requirements of the national relevant specifications.
Furthermore, in the corrugated steel plate-reinforced concrete combined wall, the diameter and the interval of longitudinal steel bars of the steel bar net piece, the arrangement of counter-pulling steel bars and the like are determined according to relevant national specifications; the corrugated steel plate is transversely arranged along the corrugations, and the specific waveforms and the thickness of the plate are designed according to the local buckling bearing performance when the corrugated steel plate bears the horizontal load; the wave shape can be made by two modes of bending forming and stamping die forming.
Furthermore, the T-shaped rectangular steel pipe-corrugated steel plate combined wall steel skeleton consisting of the rectangular steel pipe, the reinforcing mesh and the corrugated steel plate and the reserved part for connecting the rectangular steel pipe and the steel beam can be manufactured, assembled or welded on site in a factory.
Furthermore, only the rectangular steel pipe concrete column part in the T-shaped rectangular steel pipe-corrugated steel plate combined wall is subjected to fire resistance design according to the requirements of relevant national specifications, and the corrugated steel plate does not bear vertical load and does not meet fire resistance requirements.
Compared with the prior art, the method has the following advantages and beneficial effects:
1. the rectangular steel pipe is arranged at the end part of the T-shaped combined wall based on the general design concept of side-bearing separation resistance, and the connection structure of the shear wall and the steel beam is simplified by adopting the hinged joint; the upper layer and the lower layer of the corrugated steel plate-reinforced concrete combined shear wall are connected by adopting a traditional lap joint structure, so that the manufacturing and installation difficulty is effectively reduced, and the site construction efficiency is improved.
2. The rectangular steel pipe concrete column formed in the application is used as an edge member of the T-shaped combined shear wall, the common working performance of the combined wall is effectively improved, the anti-seismic performance of the wall body is improved, and the vertical bearing capacity of the combined wall can be further improved after high-strength steel and high-strength concrete are applied.
3. Adopt the wave to roll over the function that the steel sheet had horizontal atress reinforcing bar of composite wall and concrete placement template concurrently in this application, full play the big advantage of wave rolls over steel sheet plane external rigidity, effectively reduce the whole steel volume of using of structure, reduce cost.
4. The bearing function that the ripples steel sheet equivalence is horizontal reinforcing bar in the reinforced concrete T shape shear force wall in this application designs, and the ripples steel sheet does not bear vertical load, according to the standard regulation, can not do the design of preventing, and the fire prevention application area that has significantly reduced effectively reduces application cost.
5. Through reasonable arrangement, the comprehensive advantages of high bearing performance, convenience in connection and low cost of the reinforced concrete shear wall of the rectangular concrete filled steel tube column are fully exerted, the overall cost is effectively reduced, and the shear wall structure system has a good market competitive advantage compared with the existing shear wall structure system with the steel-concrete combined structure.
6. The application has the advantages of advanced and reasonable overall design idea, simple structure, convenience in construction, superior mechanical property, low manufacturing cost and the like.
Drawings
FIG. 1 is a schematic view of a T-shaped rectangular steel tube-corrugated steel plate composite wall;
FIG. 2 is a schematic plan view of a T-shaped rectangular steel tube-corrugated steel plate composite wall
FIG. 3 is a schematic view of a trapezoidal corrugated steel plate in a T-shaped combination wall;
FIG. 4 is a schematic view of a closed profiled steel sheet in a T-shaped composite wall;
FIG. 5 is a schematic view of the connection between the corrugated steel plate and the steel pipe;
FIG. 6 is a schematic view of an overall framework of a T-shaped composite wall;
FIG. 7 is a schematic view of a typical portion of a T-shaped rectangular steel tube-corrugated steel plate composite wall in the plane of a residential building
In the figure: the concrete wall comprises 1-T-shaped rectangular steel pipe-corrugated steel plate combined wall, 2-rectangular steel pipe columns, 21-rectangular steel pipe wall limbs, 22-C-shaped steel wall limbs, 3-corrugated steel plates, 4-reinforcing steel mesh sheets, 41-reinforcing steel mesh sheet longitudinal reinforcing steel bars, 42-reinforcing steel mesh sheet transverse reinforcing steel bars, 43-tie reinforcing steel bars, 5-concrete and 6-fillet welding.
Detailed Description
The technical solutions provided in the present application will be further described with reference to the following specific embodiments and accompanying drawings. The advantages and features of the present application will become more apparent in conjunction with the following description.
As shown in fig. 1 to 6, the T-shaped rectangular steel pipe-corrugated steel plate composite wall (1) comprises rectangular steel pipe columns (2), corrugated steel plates (3), reinforcing mesh sheets (4) and internally filled concrete (5); the inner filling concrete (5) is poured in a cavity formed by the rectangular steel pipe column (2) and the corrugated steel plates (3) with the reinforcing mesh sheets (4) on two sides.
In this embodiment:
as shown in fig. 1, fig. 1a is a T-shaped composite wall using trapezoidal corrugated steel plates, and fig. 1b is a T-shaped composite wall using closed profiled steel plates. The combined wall (1) with the T-shaped section comprises a rectangular steel pipe column (2), a corrugated steel plate (3), a reinforcing mesh (4) and filled concrete (5), wherein the width direction of the section of the rectangular steel pipe concrete column is parallel and level to the outermost side of the corrugated steel plate-reinforced concrete shear wall. FIG. 1C shows a T-shaped assembled wall using rectangular steel pipes for the short wall limbs, FIG. 1d shows a T-shaped assembled wall using C-shaped steel for the short wall limbs, the rectangular steel pipes (21) and the C-shaped steel (22) are aligned with the rectangular steel pipe columns (2), and the rectangular steel pipes and the C-shaped steel are connected through fillet welds (6).
As shown in fig. 2, fig. 2a is a plan view of a T-shaped composite wall using corrugated steel plates, fig. 2b is a plan view of a T-shaped composite wall using rectangular steel pipes as short wall limbs, and fig. 2C is a plan view of a T-shaped composite wall using C-shaped steel pipes as short wall limbs.
As shown in fig. 3, fig. 3a is a schematic elevation view of the trapezoidal corrugated steel plate, and fig. 3b is a schematic side view of the trapezoidal corrugated steel plate.
As shown in fig. 4, fig. 4a is a schematic elevation view of a closed profiled steel sheet, and fig. 4b is a schematic side view of the closed profiled steel sheet.
As shown in fig. 5, fig. 5a is a schematic view of a rebar mesh; fig. 5b and 5c are respectively a front elevation schematic view and a side elevation schematic view of the reinforcing mesh sheets connected into a whole through tie bars (43) penetrating through wave troughs on the outer sides of the corrugated steel plates (3); the vertical steel bars (41) of the steel bar mesh (4) are connected into a whole at the wave crests on the inner side of the corrugated steel plate (3) through spot welding (7), the schematic view of the front vertical surface of the vertical steel bars is shown in figure 5d, and the schematic view of the side vertical surface of the vertical steel bars is shown in figure 5 e. As shown in fig. 5f and 5g, the rectangular steel pipe column (2) and the corrugated steel plate (3) are connected by the fillet weld (6), and the front elevation schematic view is shown in fig. 5f, and the side elevation schematic view is shown in fig. 5 g.
As shown in fig. 6, the rectangular steel pipe column (2), the corrugated steel plate (3) and the steel mesh (4) are integrally transported to a construction site after being manufactured and assembled in a factory to form a combined wall framework, and concrete is poured. The specific design and implementation method comprises the following steps:
the first process is as follows: prefabricated in factory
Constitute, including rectangle steel-pipe column (2), wave folded steel board (3), reinforcing bar net piece (4), wherein: the rectangular steel pipe column (2) can be formed by cold bending or welding steel plates; the corrugated steel plate (3) is connected with the rectangular steel pipe columns (2) at two ends through welding seams and is transversely arranged along corrugations, and the outermost side of the wave crest is flush with the outer sides of the rectangular steel pipe columns; after the orthogonal steel bars are formed by spot welding or binding, the steel bar mesh (4) is welded with the vertical steel bars on the inner side of the corrugated steel plate (3) by spot welding; manufacturing and assembling a rectangular steel pipe column (2), a corrugated steel plate (3) and a reinforcing mesh (4) in a factory to form a combined wall framework;
and a second process: installation and casting in situ
When the combined wall frame is implemented, the rectangular steel pipe columns (2), the corrugated steel plates (3) and the reinforcing mesh sheets (4) are manufactured and assembled in a factory to form the combined wall frame; one rectangular steel pipe column (2) is positioned in the center of the T-shaped combined wall, and the remaining three rectangular steel pipe columns are respectively positioned on the end sides of the T-shaped combined wall; the three corrugated steel plates (3) form a T shape by taking a central rectangular steel pipe column (2) as a center to form the wall framework; and then integrally transporting to a construction site, and pouring concrete 5: the internal filling concrete (5) is poured into a cavity formed by the rectangular steel pipe column (2) and the corrugated steel plates (3) with the reinforcing mesh sheets (4) at two sides to form the T-shaped rectangular steel pipe-corrugated steel plate combined wall (1);
the third process: fire resistant treatment
The rectangular steel tube concrete column simultaneously bears vertical and horizontal loads, and fire resistance design and fire resistance protection are carried out according to the requirements of national relevant specifications; the corrugated steel plate does not bear vertical load, and does not need fire protection according to the standard requirement.
Further discloses a T-shaped rectangular steel pipe-corrugated steel plate combined wall (1) obtained by the method:
in connection and position relation, three rectangular steel pipe columns (2) are positioned at the end parts of the T-shaped combined wall body, one rectangular steel pipe column (2) is positioned in the center of the T-shaped combined wall body, and the rectangular steel pipe columns (2) at the two ends are connected through a corrugated steel plate (3) through welding seams, so that the integral combined wall body is formed; longitudinal steel bars of the steel bar net piece (4) in the corrugated steel plate (3) are connected with the corrugated steel plate (3) through spot welding at intervals, and are welded with the rectangular steel pipe column (2) after being integrated with the corrugated steel plate (3); the end portion rectangular steel pipes of the upper and lower layers of the wall body are connected in a welded mode, the vertical steel bars of the steel bar net piece (4) only need to be overlapped, the structure between the upper and lower layer combined wall bodies can be simplified while mechanical properties are guaranteed, and the field construction installation efficiency is effectively improved.
The T-shaped rectangular steel pipe-corrugated steel plate combined wall (1) obtained by the method comprises the following steps:
in the stress and function design, the corrugated steel plate (3) is transversely arranged along the corrugations and only bears horizontal load; the corrugated steel plate has the functions of both transverse stressed steel bars of the combined wall and a concrete pouring template, the advantage of large plane external rigidity of the corrugated steel plate is played, and the steel consumption of the whole structure is reduced; wherein, the longitudinal steel bar of the steel bar net piece (4) is connected with the wave crest at the inner side of the corrugated steel plate (3) by spot welding and is used as the longitudinal and transverse stressed steel bar of the corrugated steel plate-reinforced concrete shearing force; after the rectangular steel pipe column (2) is made of high-strength steel and high-strength concrete, the vertical bearing capacity of the combined wall is further improved and ensured; the rectangular steel pipe column (2) is also used as an edge member of the combined shear wall, so that the common working performance of the combined wall is effectively improved, and the anti-seismic performance of the combined wall is improved.
The rectangular steel pipe column (2), the corrugated steel plate (3) and the reinforcing mesh (4) are manufactured and assembled in a factory to form a wall framework; the wall framework is formed by welding three corrugated steel plates (3) which form a T shape by taking the central rectangular steel pipe column (2) as the center, and the wall framework can be used for forming a template for casting concrete on site of the composite wall.
The corrugated steel plate (3) is transversely arranged, and only bears horizontal load; the corrugated plate is made of closed profiled steel plate and can be used as a connecting base plate of an assembly decoration or pipeline bracket.
And longitudinal steel bars of the steel bar mesh (4) are connected with the corrugated steel plate (3) through spot welding at intervals, and are welded with the rectangular steel pipe column (2) after being integrated with the corrugated steel plate (3).
The T-shaped rectangular steel pipe-corrugated steel plate combined wall (1) constructed by the design method forms a combined wall body with a T-shaped cross section outline, and is arranged at the intersection position of three walls on a building plane. As shown in fig. 7, a typical position of the T-shaped rectangular steel tube-corrugated steel plate composite wall 1 is schematically shown in a building plan view.
The foregoing is only an embodiment of the present application, but the technical features of the present application are not limited thereto, and any simple changes, equivalent substitutions or modifications made based on the present application to solve substantially the same technical problems and achieve substantially the same technical effects are all covered by the scope of the present application.
Claims (4)
1. The utility model provides a T shape rectangle steel pipe-ripples folded steel plate combination wall which characterized in that: the T-shaped rectangular steel pipe-corrugated steel plate combined wall (1) is arranged at the intersection of three walls on a building plane and comprises four rectangular steel pipe columns (2), three corrugated steel plates (3), a reinforcing mesh (4) and inner filling concrete (5),
one rectangular steel pipe column (2) is positioned in the center of the T-shaped combined wall, and the remaining three rectangular steel pipe columns are respectively positioned on the end sides of the T-shaped combined wall; the three corrugated steel plates (3) form a T shape by taking a central rectangular steel pipe column (2) as a center;
the rectangular steel pipe column (2) is formed by cold bending or welding steel plates;
the corrugated steel plate (3) is connected with the rectangular steel pipe columns (2) on the two sides through welding seams and is transversely arranged along corrugations, and the outermost side of the wave crest is flush with the outer sides of the rectangular steel pipe columns;
the corrugated steel plate (3) is connected with the rectangular steel pipe column (2) through a welding seam;
the reinforcing mesh (4) is an orthogonal reinforcing steel bar and is connected with the inner side of the corrugated steel plate (3) through a welding seam;
the inner filling concrete (5) is poured inside a cavity of the rectangular steel pipe column (2), and the inner filling concrete (5) is poured inside a cavity formed by the rectangular steel pipe column (2) and the corrugated steel plate (3); the steel bar net sheet (4) is fixedly connected in the concrete (5).
2. The T-shaped rectangular steel tube-corrugated steel plate composite wall as claimed in claim 1, wherein: the longitudinal steel bars of the steel bar net piece are connected with the wave crests on the inner side of the corrugated steel plate through spot welding and are used as longitudinal and transverse stress steel bars of the corrugated steel plate-reinforced concrete shearing force, wherein the corrugated steel plate is placed transversely along the corrugations and only bears horizontal load.
3. The T-shaped rectangular steel tube-corrugated steel plate composite wall as claimed in claim 1, wherein: the corrugated steel plate (3) is a trapezoidal, rectangular, wavy or closed profiled steel plate; the corrugated steel plate is manufactured by two modes of bending forming and stamping die forming;
the rectangular steel pipe column (2) is made of common steel or high-strength steel, and the corrugated steel plate (3) is made of common steel.
4. The T-shaped rectangular steel tube-corrugated steel plate composite wall as claimed in claim 1, wherein: and longitudinal steel bars in the steel bar mesh (4) need to meet the bearing capacity and structural requirements of the reinforced concrete shear wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022530922.7U CN214739011U (en) | 2020-11-05 | 2020-11-05 | T-shaped rectangular steel pipe-corrugated steel plate combined wall arranged at intersection of three walls of building |
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| CN202022530922.7U CN214739011U (en) | 2020-11-05 | 2020-11-05 | T-shaped rectangular steel pipe-corrugated steel plate combined wall arranged at intersection of three walls of building |
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