CN107060140B - Prefabricated double-steel-tube concrete shear wall and assembling method thereof - Google Patents
Prefabricated double-steel-tube concrete shear wall and assembling method thereof Download PDFInfo
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- CN107060140B CN107060140B CN201710373977.1A CN201710373977A CN107060140B CN 107060140 B CN107060140 B CN 107060140B CN 201710373977 A CN201710373977 A CN 201710373977A CN 107060140 B CN107060140 B CN 107060140B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses a prefabricated double-steel-tube concrete shear wall and an assembly method thereof; comprises an outer steel pipe buried in a concrete wall; the steel bar net is embedded in the concrete wall and is formed by interweaving tie steel bars, vertically distributed steel bars and horizontally distributed steel bars; the upper end and the lower end of the outer steel pipe partially extend out of the upper part and the lower part of the concrete wall; an inner steel pipe is sleeved inside the outer steel pipe; the inner steel tube is internally filled with a high-strength concrete column; the parts of the outer steel tube and the inner steel tube, which extend out of the concrete wall, are radially penetrated and fixed through transverse bolts and are used for preventing relative movement between the outer steel tube and the inner steel tube in the axial direction and the circumferential direction. The double-steel-tube concrete shear wall has the advantages of quick and reliable vertical connection, simple construction process, high horizontal shear bearing capacity, good integrity, high out-of-plane stability, good earthquake resistance, short construction period and standardized production of most components.
Description
Technical Field
The invention relates to the technical field of prefabricated concrete structures in structural engineering, in particular to a prefabricated double-steel-tube concrete shear wall and an assembly method thereof.
Background
The joint connection technology is a key technology for guaranteeing the integrity and the earthquake resistance of the prefabricated concrete structure. The traditional prefabricated assembled shear wall or the prefabricated assembled steel tube concrete shear wall horizontal joint is mainly connected by sleeve grouting or slurry anchor lap joint of vertical steel bars, the vertical steel bar connection structure is complex, the construction process requirement is high, the assembly quality control difficulty is high, the construction period is long, the cost is high, the advantages of an assembled shear wall structure can not be fully exerted, and the building height is greatly limited; the steel pipe concrete column is adopted as a connection design, but the steel pipes are in non-through continuous rigid connection, so that the bending resistance of the steel pipe concrete embedded column is difficult to volatilize, the structural integrity is not strong, the out-of-plane eccentric stability is not high, and the anti-seismic performance of the assembled steel pipe concrete shear wall is seriously reduced.
At present, related researches are carried out on the prefabricated steel tube concrete frame shear wall and the vertical reinforcement connection method thereof in China, but a technical method capable of fundamentally and obviously changing the integrity and the out-of-plane stability of the prefabricated steel tube concrete frame shear wall structure is not provided, and the anti-seismic performance of the prefabricated steel tube concrete frame shear wall structure is limited by a horizontal joint connection technology. The prefabricated assembly rate of the high-rise structure is an important index for measuring the industrial development level of buildings in China in the future, and the development and the proposal of the prefabricated assembly type shear wall which can be suitable for the high-rise structure and even the super high-rise structure become urgent demands.
Disclosure of Invention
The invention aims to overcome the defects and the shortcomings of the prior art and provide a prefabricated double-steel-tube concrete shear wall and an assembly method thereof. The vertical connection is quick and reliable, the construction process is simple, the horizontal shear bearing capacity is high, the integrity is good, the out-of-plane stability is high, the anti-seismic performance is good, the construction period is short, and most of components can be produced in a standardized way.
The invention is realized by the following technical scheme:
a prefabricated double-steel-tube concrete shear wall comprises the following components:
an outer steel pipe 3 embedded in the concrete wall 4;
the steel bar net is embedded in the concrete wall 4 and is formed by interweaving tie steel bars 9, vertically distributed steel bars 7 and horizontally distributed steel bars 8;
the upper and lower ends of the outer steel pipe 3 partially extend out of the upper and lower parts of the concrete wall 4;
an inner steel pipe 1 is sleeved in the outer steel pipe 3; the inner steel tube 1 is internally filled with a high-strength concrete column 2;
the parts of the outer steel tube 3 and the inner steel tube 1 extending out of the concrete wall 4 are radially penetrated and fixed through the transverse bolts 11 and used for preventing relative movement between the two in the axial direction and the circumferential direction.
The outer steel pipes 3 are arranged in a row and are buried in the concrete wall 4 at intervals.
The outer wall of the outer steel pipe 3 is provided with a plurality of shearing ring ribs 10 along the axial direction of the outer steel pipe 3.
The lower part interval of the concrete wall 4 is buried with a plurality of vertical steel bar sleeves 6, and the upper part interval is buried with a plurality of vertical connecting steel bars 5.
The lengths of the parts of the outer steel pipe 3 and the inner steel pipe 1 extending out of the concrete wall 4 are 80 mm-120 mm.
The spacing distance between the shearing ring ribs 10 is 500 mm-1000 mm.
The assembly method of the prefabricated double-steel-tube concrete shear wall during construction is as follows:
mounting of the concrete wall 4 of the first layer:
fixedly mounting a concrete wall 4 on a reinforced concrete foundation cast in situ on a foundation;
the exposed part of the outer steel tube 3 at the lower part of the concrete wall 4 is embedded into the reinforced concrete foundation;
installation of the concrete wall 4 of the second layer:
butting a vertical steel bar sleeve 6 at the lower part of the concrete wall 4 of the second layer with a vertical connecting steel bar 5 at the upper part of the concrete wall 4 of the first layer, namely inserting the vertical steel bar sleeve 6 into the vertical connecting steel bar 5, aligning the outer steel tube 3 with the inner steel tube 1 at the moment, welding the joint of the outer steel tube 3 and the inner steel tube 1, and radially penetrating and fixing the parts of the outer steel tube 3 and the inner steel tube 1 extending out of the concrete wall 4 through transverse bolts 11 to prevent relative axial and circumferential movement between the two parts;
and (3) floor slab installation:
installing a prefabricated part of the floor slab 12 on the upper edge surface of the first layer of concrete wall 4, namely between the first layer of concrete wall and the second layer of concrete wall, and connecting prefabricated reinforcing steel bars at the end parts of the floor slab 12 with the concrete wall 4; pouring concrete at the joint between the first layer and the second layer of concrete walls 4 and the floor slab 12 to finish the construction of the grout layer, and simultaneously finishing the cast-in-situ part of the floor slab 12 to form the whole of the upper layer and the lower layer of concrete walls 4 adjacent to the floor slab 12; and (5) sequentially circulating to finish the whole prefabricated double-steel-tube concrete shear wall.
After each 2 to 3 floors are assembled, concrete is poured into the inner steel pipe 1, and so on.
Compared with the prior art, the invention has the following advantages and effects:
the assembled double-steel-tube concrete shear wall with 'partial prefabrication and partial cast-in-situ' takes an inner steel tube 1 and a high-strength concrete column 2 in the inner steel tube 1 which are manufactured by 'partial cast-in-situ' as a component for connecting adjacent upper and lower 'partial prefabrication' concrete shear walls, so that a prefabricated concrete shear wall module is formed into a whole which is completely sleeved on the steel tube high-strength concrete column, and the integrity and out-of-plane compression stability of the prefabricated concrete shear wall structure are obviously improved; the continuous steel tube high-strength concrete column has higher compression resistance, shearing resistance and bending resistance, and can obviously improve the horizontal shearing resistance and the bending resistance of the horizontal connecting joint of the precast concrete shear wall; the integrity and the compression stability are improved, so that the precast concrete shear wall has good anti-seismic energy consumption performance and redundant elastoplastic deformation capacity, the advantages of the concrete shear wall in high-rise structural application are fully exerted, and the construction height of the precast assembled shear wall structure is improved; the through steel pipe high-strength concrete column is adopted, vertical connecting steel bars are reduced or even cancelled, the construction process is simplified, and the construction quality of the prefabricated concrete shear wall is ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of a prefabricated double steel pipe concrete shear wall of the present invention.
Fig. 2 is a schematic cross-sectional view of the outer steel pipe 3 and the inner steel pipe 1.
FIG. 3 is a schematic view of the cross-sectional B-B structure of FIG. 1.
FIG. 4 is an enlarged schematic view of a portion of the connection of the inner and outer steel pipes between the upper and lower concrete walls 4; in the figure, F represents a weld.
Fig. 5 is a schematic view of the C-C cross-sectional structure of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples
As shown in fig. 1 to 5. The invention discloses a prefabricated double-steel-tube concrete shear wall, which comprises an outer steel tube 3 embedded in a concrete wall 4 (prefabricated concrete shear wall); the steel bar net is embedded in the concrete wall 4 and is formed by interweaving tie steel bars 9, vertically distributed steel bars 7 and horizontally distributed steel bars 8;
the upper and lower ends of the outer steel pipe 3 partially extend out of the upper and lower parts of the concrete wall 4;
an inner steel pipe 1 is sleeved in the outer steel pipe 3; the inner steel tube 1 is internally filled with a high-strength concrete column 2;
the parts of the outer steel tube 3 and the inner steel tube 1 extending out of the concrete wall 4 are radially penetrated and fixed through the transverse bolts 11 and used for preventing relative movement between the two in the axial direction and the circumferential direction.
The outer steel pipes 3 are arranged in a row and are buried in the concrete wall 4 at intervals.
The outer wall of the outer steel pipe 3 is provided with a plurality of shearing ring ribs 10 along the axial direction of the outer steel pipe 3.
The lower part interval of the concrete wall 4 is buried with a plurality of vertical steel bar sleeves 6, and the upper part interval is buried with a plurality of vertical connecting steel bars 5.
The lengths of the parts of the outer steel pipe 3 and the inner steel pipe 1 extending out of the concrete wall 4 are 80 mm-120 mm.
The spacing distance between the shearing ring ribs 10 is 500 mm-1000 mm.
The concrete column in the inner steel pipe 1 is poured on the construction site. The outer steel pipes 3 are arranged at a pitch of 2 to 6 times the diameter thereof.
The concrete shear wall with the outer steel pipes outside the periphery is prefabricated in a factory and transported to field splicing, two steel bar nets consisting of vertically distributed steel bars 7 and horizontally distributed steel bars 8 are arranged in the wall, the two steel bar nets are tied by tie bars 9, a small amount of vertical connecting steel bars 5 are pre-embedded in the upper part of the concrete wall 4, a small amount of vertical connecting steel bar sleeves 6 are reserved in the lower part of the concrete wall, grouting holes are reserved in the lower part of the concrete wall, shearing ring ribs 10 are welded on the circumference at intervals of 500 mm-1000 mm in an adhering mode on the outer steel pipes 3 embedded in the concrete wall 4, the outer steel pipes 3 embedded in the wall are prefabricated with the concrete wall 4 synchronously, the outer steel pipes 3 extend out of the upper edge surface and the lower edge surface of the wall by 80 mm-120 mm, fastening holes of transverse bolts 11 are reserved, and the outer steel pipes 3 facilitate the concrete columns of the inner steel pipes to penetrate and have enough sliding spaces.
The assembly method of the prefabricated double-steel-tube concrete shear wall in construction is as follows:
mounting of the concrete wall 4 of the first layer:
fixedly mounting a concrete wall 4 on a reinforced concrete foundation cast in situ on a foundation;
the exposed part of the outer steel tube 3 at the lower part of the concrete wall 4 is embedded into the reinforced concrete foundation;
installation of the concrete wall 4 of the second layer:
butting a vertical steel bar sleeve 6 at the lower part of the concrete wall 4 of the second layer with a vertical connecting steel bar 5 at the upper part of the concrete wall 4 of the first layer, namely inserting the vertical steel bar sleeve 6 into the vertical connecting steel bar 5, aligning the outer steel tube 3 with the inner steel tube 1 at the moment, welding the joint of the outer steel tube 3 and the inner steel tube 1, and radially penetrating and fixing the parts of the outer steel tube 3 and the inner steel tube 1 extending out of the concrete wall 4 through transverse bolts 11 to prevent relative axial and circumferential movement between the two parts;
floor (prefabricated composite floor) installation:
installing a prefabricated part of the floor slab 12 on the upper edge surface of the first layer of concrete wall 4, namely between the first layer of concrete wall and the second layer of concrete wall, and connecting prefabricated reinforcing steel bars at the end parts of the floor slab 12 with the concrete wall 4; pouring concrete at the joint between the first layer and the second layer of concrete walls 4 and the floor slab 12 to finish the construction of the grout layer, and simultaneously finishing the cast-in-situ part of the floor slab 12 to form the whole of the upper layer and the lower layer of concrete walls 4 adjacent to the floor slab 12; and (5) sequentially circulating to finish the whole prefabricated double-steel-tube concrete shear wall.
After each 2 to 3 floors are assembled, concrete is poured into the inner steel pipe 1, and so on.
As described above, the present invention can be preferably realized.
The embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the invention should be made and equivalents should be construed as falling within the scope of the invention.
Claims (3)
1. The assembly method of the prefabricated double-steel-tube concrete shear wall during construction is characterized by being realized based on the prefabricated double-steel-tube concrete shear wall, and the prefabricated double-steel-tube concrete shear wall comprises the following components:
an outer steel pipe (3) embedded in the concrete wall (4);
the steel bar net is embedded in the concrete wall (4) and is formed by interweaving tie steel bars (9), vertically distributed steel bars (7) and horizontally distributed steel bars (8);
the upper end and the lower end of the outer steel pipe (3) partially extend out of the upper part and the lower part of the concrete wall (4);
an inner steel pipe (1) is sleeved in the outer steel pipe (3); the inner steel tube (1) is internally filled with a high-strength concrete column (2);
the parts of the outer steel tube (3) and the inner steel tube (1) extending out of the concrete wall (4) are radially penetrated and fixed through transverse bolts (11) and used for preventing relative axial and circumferential movement between the two parts;
the outer steel pipes (3) are arranged in rows and are buried in the concrete wall (4) at intervals; the outer wall of the outer steel pipe (3) is provided with a plurality of shearing ring ribs (10) along the axial direction of the outer steel pipe (3);
a plurality of vertical steel bar sleeves (6) are buried at intervals at the lower part of the concrete wall (4), and a plurality of vertical connecting steel bars (5) are buried at intervals at the upper part of the concrete wall;
the assembly steps are as follows:
mounting of the concrete wall (4) of the first layer:
fixedly mounting a concrete wall (4) on a reinforced concrete foundation cast in situ on a foundation;
the exposed part of the outer steel pipe (3) at the lower part of the concrete wall (4) is embedded into the reinforced concrete foundation;
mounting of the concrete wall (4) of the second layer:
butting a vertical steel bar sleeve (6) at the lower part of the concrete wall (4) of the second layer with a vertical connecting steel bar (5) at the upper part of the concrete wall (4) of the first layer, namely inserting the vertical steel bar sleeve (6) into the vertical connecting steel bar (5), aligning the outer steel tube (3) with the inner steel tube (1) at the moment, welding the joint of the outer steel tube (3) and the inner steel tube (1), and radially penetrating and fixing the parts, extending out of the concrete wall (4), of the outer steel tube (3) and the inner steel tube (1) through transverse bolts (11) to prevent relative axial and circumferential movement between the two parts;
and (3) floor slab installation:
installing a prefabricated part of a floor slab (12) on the upper edge surface of the first layer of concrete wall (4), namely between the first layer of concrete wall and the second layer of concrete wall, and connecting prefabricated reinforced bars at the end part of the floor slab (12) with the concrete wall (4); pouring concrete at the joint between the first layer and the second layer of concrete walls (4) and the floor (12) to finish the construction of the grout layer, and simultaneously finishing the cast-in-situ part of the floor (12) to ensure that the upper layer and the lower layer of concrete walls (4) adjacent to the floor (12) form a whole;
sequentially circulating to complete the assembly of each layer of whole prefabricated double-steel-tube concrete shear wall;
after the assembly of 2 to 3 floors is completed, concrete is poured into the inner steel pipe (1), and so on.
2. The method for assembling the prefabricated double-steel-tube concrete shear wall in construction according to claim 1, which is characterized in that: the lengths of the parts of the outer steel pipe (3) and the inner steel pipe (1) extending out of the concrete wall (4) are 80-120 mm.
3. The method for assembling the prefabricated double-steel-tube concrete shear wall in construction according to claim 1, which is characterized in that: the spacing distance between the shearing ring ribs (10) is 500 mm-1000 mm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373977.1A CN107060140B (en) | 2017-05-24 | 2017-05-24 | Prefabricated double-steel-tube concrete shear wall and assembling method thereof |
| PCT/CN2017/115600 WO2018214477A1 (en) | 2017-05-24 | 2017-12-12 | Prefabricated dual-steel-tube concrete shear wall, and assembly method therefor |
| AU2017415961A AU2017415961B2 (en) | 2017-05-24 | 2017-12-12 | Prefabricated dual-steel-tube concrete shear wall, and assembly method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373977.1A CN107060140B (en) | 2017-05-24 | 2017-05-24 | Prefabricated double-steel-tube concrete shear wall and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060140A CN107060140A (en) | 2017-08-18 |
| CN107060140B true CN107060140B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710373977.1A Active CN107060140B (en) | 2017-05-24 | 2017-05-24 | Prefabricated double-steel-tube concrete shear wall and assembling method thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107060140B (en) |
| AU (1) | AU2017415961B2 (en) |
| WO (1) | WO2018214477A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060140B (en) * | 2017-05-24 | 2023-09-26 | 华南理工大学 | Prefabricated double-steel-tube concrete shear wall and assembling method thereof |
| CN108005309B (en) * | 2017-12-06 | 2023-10-20 | 华南理工大学 | Prefabricated assembled embedded steel sleeve connecting concrete column and assembling method thereof |
| CN108316514B (en) * | 2018-03-12 | 2023-07-18 | 华南理工大学 | Self-resetting prefabricated concrete swinging wall and assembling method thereof |
| CN109555112A (en) * | 2018-12-04 | 2019-04-02 | 中国建筑股份有限公司 | A kind of structure superposition formula diaphram wall and construction method |
| CN109898651A (en) * | 2018-12-12 | 2019-06-18 | 中建四局第六建筑工程有限公司 | The connection structure and construction method of antidetonation steel pipe in a kind of shear wall |
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| CN110029749A (en) * | 2019-04-08 | 2019-07-19 | 中建科技有限公司深圳分公司 | Overlapped shear wall |
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| CN112302165A (en) * | 2020-10-16 | 2021-02-02 | 上海市建筑科学研究院有限公司 | Box-shaped sleeve type connecting structure of assembled concrete member, construction method and application |
| CN112681568B (en) * | 2020-12-25 | 2022-04-05 | 重庆涛扬绿建科技有限公司 | Full-prefabricated steel tube concrete shear wall and building structure system |
| CN112942639A (en) * | 2021-04-07 | 2021-06-11 | 碧源建工有限公司 | Construction method for embedding temporary water supply pipe and temporary power main cable shear wall |
| CN113958038A (en) * | 2021-09-26 | 2022-01-21 | 中国三冶集团有限公司 | L-shaped steel pipe concrete short-limb shear wall |
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| CN115419177B (en) * | 2022-10-13 | 2024-03-19 | 吴承辉 | Precast concrete shear wall building structure and construction method thereof |
| CN115434451B (en) * | 2022-10-19 | 2023-08-18 | 华北理工大学 | Assembled concrete connection structure and construction method |
| CN115492249A (en) * | 2022-10-29 | 2022-12-20 | 安徽建工集团股份有限公司 | Dry-type connection structure of prefabricated post of modularization box-type building and foundation slab |
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2017
- 2017-05-24 CN CN201710373977.1A patent/CN107060140B/en active Active
- 2017-12-12 AU AU2017415961A patent/AU2017415961B2/en not_active Ceased
- 2017-12-12 WO PCT/CN2017/115600 patent/WO2018214477A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018214477A1 (en) | 2018-11-29 |
| AU2017415961B2 (en) | 2020-09-03 |
| AU2017415961A1 (en) | 2019-07-18 |
| CN107060140A (en) | 2017-08-18 |
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