CN110805166A - Assembled row steel pipe concrete column and wall structure - Google Patents

Assembled row steel pipe concrete column and wall structure Download PDF

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Publication number
CN110805166A
CN110805166A CN201911128714.XA CN201911128714A CN110805166A CN 110805166 A CN110805166 A CN 110805166A CN 201911128714 A CN201911128714 A CN 201911128714A CN 110805166 A CN110805166 A CN 110805166A
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CN
China
Prior art keywords
steel
wall structure
row
connection
steel pipe
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Pending
Application number
CN201911128714.XA
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Chinese (zh)
Inventor
王东方
刘明辉
杨涛
刘小荣
刘冶
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Tibet Taoyang New Building Materials Technology Co Ltd
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Tibet Taoyang New Building Materials Technology Co Ltd
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Priority to CN201911128714.XA priority Critical patent/CN110805166A/en
Publication of CN110805166A publication Critical patent/CN110805166A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members

Abstract

The invention discloses an assembled steel tube concrete column and wall structure, which comprises a row of vertically arranged steel tubes, filling materials filled in at least one steel tube and a connection constraint piece for connecting the steel tubes. The steel pipe, the filling material and the structure of the connection restraint piece are adopted, the steel pipe provides restraint force for the filling material, the internal filling material provides support for the steel pipe, the steel pipe and the filling material work in a cooperative mode, the bearing capacity and the anti-seismic performance of the structure are improved, the steel consumption is greatly reduced, the seismic damage is reduced, the resource energy consumption is reduced, the building waste is reduced, the environmental pollution is reduced, and the green environmental protection is realized.

Description

Assembled row steel pipe concrete column and wall structure
Technical Field
The invention relates to the field of buildings, in particular to an assembled row steel pipe concrete column and wall structure.
Background
At present, prefabricated concrete structures formed by assembling/connecting prefabricated components serving as main stressed components are widely applied to engineering. In an assembly type building structure, a shear wall is used as a key component for bearing horizontal load and vertical load caused by wind load or earthquake action, and the shear wall generally adopts structures such as a concrete shear wall, a steel plate concrete shear wall, a square steel tube bundle shear wall and the like. However, the connection of the steel bars of the concrete shear wall is difficult, and the connection quality is difficult to detect; the steel plate shear wall has the defects of large steel consumption, large welding workload, difficult construction and the like; the steel plate concrete shear wall consists of a built-in steel plate and an outer-coated concrete, the built-in steel plate has large welding workload, the outer-coated concrete steel bars are bound, the connection is difficult, and the construction speed is slow; the square steel tube in the square steel tube bundle shear wall is weak in concrete restraint, the steel consumption is large, and welding of the connecting nodes is difficult.
Disclosure of Invention
The invention provides an assembled type row steel pipe concrete column and wall structure for solving the technical problems.
The invention is realized by the following technical scheme:
the utility model provides a steel core concrete column, wall structure are arranged to assembled, key characteristic includes:
a row of vertically arranged steel tubes;
a filler material poured within the at least one steel tube;
and the connecting constraint piece is used for connecting the steel pipes.
The column and wall structure adopts a structure of steel pipes, filling materials and connecting constraint parts, the filling materials are poured into the steel pipes, and the steel pipes provide constraint force for the filling materials, so that the bearing capacity of the structure is greatly improved, and the material consumption can be greatly saved; the internal filling material supports the steel pipe, and the local stability of the steel pipe is guaranteed. The steel pipes are connected through the connecting constraint piece, so that the bearing capacity of the steel pipes can be improved, the whole deformation of the circular steel pipes can be coordinated, and the local buckling of the steel pipes under construction load can be prevented. Through the structure of this scheme, can solve the shortcoming of traditional assembled steel sheet shear force wall, have with advantage such as steel volume province, welding work load is little, the construction is simple, industrialization degree is high, improve the construction speed to promote building industrialization level. The problems that the formwork of the connecting part of the reinforced concrete shear wall is difficult to support on site, the grouting quality of the steel bar sleeve is difficult to detect, the steel bars of the connecting joint are dense and the like can be solved, the construction speed can be improved, and the building industrialization level can be improved. Because the filling material is poured into the steel pipe, the constraint force of the steel pipe on the filling material can be improved, and the problems that the steel consumption in the square steel pipe bundle shear wall is large and the welding of the connecting nodes is difficult are solved. The event is whole, adopts this scheme structure, can full play steel and filler material's material performance advantage, and both collaborative work improve structure bearing capacity and anti-seismic performance, reduce by a wide margin with the steel volume, alleviate the earthquake damage, reduce resource energy consumption, reduce building rubbish, reduce environmental pollution, realize green.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the steel pipe, the filling material and the connection constraint part are adopted, the steel pipe provides constraint force for the filling material, the internal filling material provides support for the steel pipe, and the steel pipe and the filling material work cooperatively, so that the bearing capacity and the anti-seismic performance of the structure are improved, the steel consumption is greatly reduced, the seismic damage is reduced, the resource and energy consumption is reduced, the building waste is reduced, the environmental pollution is reduced, and the green and environment-friendly effects are realized.
2. By adopting the structure of the scheme, the welding workload is small, the construction is simple, the industrialization degree can be improved, and a series of problems that the connection part is difficult to support the formwork on site, the grouting quality of the steel bar sleeve is difficult to detect, the connection node steel bars are dense, the connection node is difficult to weld and the like can be solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
FIG. 3 is a block diagram of one embodiment of a connection restraint.
FIG. 4 is a block diagram of another embodiment of a connection restraint.
Fig. 5 is a schematic structural view of a steel pipe and a connection constraint member when a piercing plug welding method is adopted.
Fig. 6 is a schematic structural view of a steel pipe and a connection constraint member when a prestressing manner is applied by using a connection member.
Fig. 7 is a schematic structural view in embodiment 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The assembled type row steel pipe concrete column wall structure shown in figures 1 and 2 comprises steel pipes 2, filling materials 3 and connection constraining pieces 1. The steel pipes 2 can be arranged in a row or multiple rows, and can be flexibly arranged in a straight shape, an L shape, a T shape, a cross shape, a U shape, a Z shape, a C shape and the like according to specific conditions, and the arrangement is not limited herein; the clear distance between two adjacent steel pipes 2 is 2-20cm, so that the vertical component is connected with enough operable space, and can exceed 20cm when the requirement is high. The filling material 3 may be concrete, mortar or other cement-based material, and may be poured into one steel pipe 2, or may be poured into a plurality of or all of the steel pipes 2, and the specific pouring amount is determined according to specific use conditions. The connection restraining piece is used for connecting the steel pipe so as to improve the bearing capacity of the steel pipe, coordinate the overall deformation of the circular steel pipe and prevent the steel pipe from locally buckling under construction load. The structure is very fit with the national building industrialization policy and is a high-quality assembly type industrialization structure.
Example 2
Based on the structure of the above-described embodiment 1, this embodiment discloses a specific embodiment of the connection restraint member 1, that is, the connection restraint member 1 includes a restraint portion 11 for covering the steel pipe and a connection member 12 for connecting the restraint portion 11. The connection restraining part 1 can adopt common steel to ensure the row steel pipes to work together, and can also adopt low-strength steel and the like to form energy dissipation components to work together with the row steel pipes.
The steel pipe can be a round steel pipe or a square steel pipe, and the structure of the constraint part is different according to the shape of the steel pipe. Preferably, closed annular steel pipes such as round steel pipes and square steel pipes are adopted, and the building of a formwork during pouring plain concrete in the interior is avoided. As shown in fig. 2, 3, 4 and 5, when the steel pipe 2 is a round steel pipe, the constraining part 11 includes at least two arc-shaped steel plates. The arc-shaped section can be in a semicircular shape and can also be in an arc-shaped structure with other radians. Specifically, as shown in fig. 3, the constraint part 11 is made of two semicircular steel plates, the connecting piece 12 is made of a steel plate, two ends of the connecting piece are connected with the constraint part 11 on the same side of the two connected steel pipes, that is, two connecting pieces are arranged between the two adjacent steel pipes, and the two connecting pieces have different distances according to different fixing modes; or as shown in fig. 4, closed circular steel plates are adopted, and the closed circular steel plates outside two adjacent steel pipes are connected through a steel plate connecting piece.
The steel pipe 2 and the connection constraint part 1 are connected in various ways, and in order to ensure the reliable connection of the two, the fillet welding way shown in FIG. 5 can be adopted for connection; the connection can also be realized by adopting a perforation plug welding mode as shown in FIG. 2; it is also possible to use a connection in which the prestressing is applied by means of connecting elements 4 as shown in fig. 6, where the connecting elements 4 are bolts or rivets.
The above is a structure of a single row of the connection constraining members 1, and the connection constraining members 1 may be vertically arranged in a plurality of rows according to circumstances. When a plurality of rows are arranged, in order to save materials, enhance the connection performance of the steel pipes and improve the local buckling-restrained performance of the steel pipes, the vertical distance between two adjacent rows of connection restraining parts 1 is 20-100 cm.
The base material can be directly produced by an automatic production line, steel bars do not need to be configured on site, and concrete can be filled and poured in a factory, can be poured on site, and can be partially poured in the factory and partially poured on site. The structure component is portable, and is convenient to transport, hoist and mount. The wall or column constructed by adopting the structure of the embodiment can fully exert the advantages of light weight, high strength, good earthquake resistance and high concrete rigidity of steel; the defects of poor stability of steel members, brittle failure of concrete and quick rigidity degradation are avoided; the structure has strong adaptability to buildings, can meet the requirement of structure side resistance, can improve the flexibility of building layout, can flexibly adjust the thickness and the shape of the wall body according to the requirement, can meet the requirements of various complex building flat vertical surfaces, meet the requirements of different building forms and building heights, can realize large indoor space, meet the dividing requirements of different periods and different crowds on the indoor space of the building, can be applied to various residential shear walls, public building shear walls, high-rise and super high-rise core cylinders, and is favorable for reducing the construction cost, improving the production and construction efficiency, saving the building space and improving the building quality.
Example 3
In order to enhance the structural stability, durability and fireproof performance of the wall and column structure, structures such as laminated concrete, fireproof, anticorrosion and the like can be arranged. Specifically, as shown in fig. 7, the fire-proof and corrosion-proof structure includes a fire-proof plate 5 coated outside a row of steel pipes and a laminated filling material 6 poured between the fire-proof plate 5 and the steel pipes 2. The fireproof plate 5 can adopt a fiber reinforced covering plate, has high strength and high rigidity, and can be used as a superimposed filling material 6 pouring template. The superimposed filling material 6 can also be concrete, mortar or other cement-based material, and the superimposed reinforced concrete layer is formed by pouring concrete. And stress steel bars 7 can be connected between the steel pipes 2, and the stress steel bars 7 are tangent to the steel pipes 2. The requirement of building aesthetic property is met through the steel pipe wrapping structure; the steel tube concrete composite column and wall structure is formed by the combined action of the stress steel bars, the composite concrete, the steel tube wall and the steel tube column.
In particular, the requirements for the connection constrainer can be reduced due to the provision of the superimposed reinforced concrete layer. The connection constraint may be implemented in the following manner: the steel sheet is used for all; the steel plate is replaced by the restraint stirrup, and the structure is the same as that of the steel plate in the figures 3 and 4; the restraint stirrups and the steel plates are alternately arranged.
The steel tubes, the connection restraint members, the fiber reinforced cladding fireproof plates, necessary connection measures for site concrete pouring construction and the like can be processed and finished in a factory uniformly, and only a small amount of work such as steel tube connection, steel tube internal and external concrete pouring and the like is needed to be finished on site, so that the industrialization degree of building engineering is greatly improved.
By adopting the structure, all components and parts can be subjected to standardized design, factory production, assembly construction and informatization management, the labor force can be greatly saved, the labor intensity can be reduced, the production efficiency can be improved, the construction speed can be increased, the engineering quality can be improved, and the service life of the building can be prolonged. The structure is very agreeable with the national building industrialization policy, is a high-quality assembly type industrialization structure, can give full play to the material performance advantages of steel and concrete, gives full play to the constraint effect of a structural unit consisting of a circular steel tube and a constraint component, works with the concrete in a coordinated manner, can improve the bearing capacity and the anti-seismic performance of the structure, can greatly reduce the steel consumption, relieve the seismic damage and reduce the resource and energy consumption, can reduce building waste, reduce environmental pollution and realize green environmental protection, thereby improving the economic benefit and social economy. The high-strength composite shear wall has the advantages of strong building adaptability, capability of meeting the requirement of structural side resistance and improving the flexibility of building layout, capability of flexibly adjusting the thickness and the shape of the wall body as required, capability of meeting the requirements of various complex building flat vertical surfaces, different building forms and building heights, capability of realizing large indoor space, capability of meeting the requirements of different groups on the division of the indoor space of the building in different periods, capability of being applied to various residential shear walls, public building shear walls, high-rise and super-high-rise core tubes, contribution to reducing the structural cost, improving the production and construction efficiency, saving the building space and improving the building quality. The design can be equal in thickness to the indoor wall and the beam, and the problem that the exposed beam and the exposed column affect the indoor space is solved; the wire casing can be reserved for the equipment pipeline, and the building and decoration integrated design and construction are favorably realized.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (9)

1. The utility model provides a steel core concrete column, wall structure are arranged to assembled which characterized in that includes:
a row of vertically arranged steel pipes (2);
a filling material (3) poured into the at least one steel tube (2);
a connection restraint member (1) for connecting the steel pipes (2).
2. A fabricated row steel tubular concrete column, wall structure according to claim 1, characterized in that said connection constraints (1) comprise constraints (11) for cladding the steel tubes (2) and connecting elements (12) connecting the constraints (11).
3. A fabricated row steel tubular concrete column, wall structure according to claim 2, characterized in that said steel tubes (2) are round steel tubes and said constraint (11) comprises at least two arc segments.
4. An assembled row steel tubular column, wall structure according to claim 2, characterized in that the steel tubes (2) are round steel tubes and the restrictions (11) are rings.
5. A fabricated row steel tube concrete column, wall structure according to claim 2, characterized in that the connection between the steel tubes (2) and the connection constraint (1) is performed by fillet welding, plug welding or by prestressing through the connecting piece (4).
6. Assembled row steel tubular column, wall structure according to claim 1, characterized in that said connection constraints (1) are vertically arranged in a plurality of rows, the vertical distance between two adjacent rows of connection constraints (1) being between 20 and 100 cm.
7. The fabricated row steel tube concrete column and wall structure according to claim 1, characterized in that a fireproof and anticorrosion structure is arranged outside the steel tubes (2).
8. An assembled row of steel tubular concrete columns, wall structure according to claim 7, characterized in that the fire and corrosion protection structure comprises a fire protection plate (5) wrapped around a row of steel tubes (2) and a laminated filling material (6) poured between the fire protection plate (5) and the steel tubes (2).
9. An assembled steel tube concrete column and wall structure as claimed in claim 1, wherein the stressed steel bars (7) are connected between the outer sides of the steel tubes (2).
CN201911128714.XA 2019-11-18 2019-11-18 Assembled row steel pipe concrete column and wall structure Pending CN110805166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911128714.XA CN110805166A (en) 2019-11-18 2019-11-18 Assembled row steel pipe concrete column and wall structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911128714.XA CN110805166A (en) 2019-11-18 2019-11-18 Assembled row steel pipe concrete column and wall structure

Publications (1)

Publication Number Publication Date
CN110805166A true CN110805166A (en) 2020-02-18

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CN201911128714.XA Pending CN110805166A (en) 2019-11-18 2019-11-18 Assembled row steel pipe concrete column and wall structure

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CN (1) CN110805166A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101748859A (en) * 2008-11-28 2010-06-23 沈阳建筑大学 Steel-reinforced concrete core column and manufacturing method thereof
CN202073029U (en) * 2011-04-15 2011-12-14 河海大学 Compound oil-filled steel pipe concrete pier structure
CN103669729A (en) * 2013-12-06 2014-03-26 清华大学 Steel tube concrete overlap-type lattice column
CN106368348A (en) * 2016-09-08 2017-02-01 重庆大学 Overlapped combined shear wall with double-phase stress characteristic
CN206625404U (en) * 2017-03-29 2017-11-10 天津大学 A kind of concrete filled steel tube organ timbering shear wall with type steel support

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101748859A (en) * 2008-11-28 2010-06-23 沈阳建筑大学 Steel-reinforced concrete core column and manufacturing method thereof
CN202073029U (en) * 2011-04-15 2011-12-14 河海大学 Compound oil-filled steel pipe concrete pier structure
CN103669729A (en) * 2013-12-06 2014-03-26 清华大学 Steel tube concrete overlap-type lattice column
CN106368348A (en) * 2016-09-08 2017-02-01 重庆大学 Overlapped combined shear wall with double-phase stress characteristic
CN206625404U (en) * 2017-03-29 2017-11-10 天津大学 A kind of concrete filled steel tube organ timbering shear wall with type steel support

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Application publication date: 20200218

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