CN113202209A - Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof - Google Patents

Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof Download PDF

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Publication number
CN113202209A
CN113202209A CN202110493464.0A CN202110493464A CN113202209A CN 113202209 A CN113202209 A CN 113202209A CN 202110493464 A CN202110493464 A CN 202110493464A CN 113202209 A CN113202209 A CN 113202209A
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Prior art keywords
steel
channel
trompil
cavity
steel plate
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CN202110493464.0A
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CN113202209B (en
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赖志超
江浩楠
王志滨
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Fuzhou University
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Fuzhou University
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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
    • 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
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • 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
    • E04B2/58Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • E04B2/60Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members

Abstract

The invention relates to an assembled adjustable multi-cavity inclined steel plate shear wall for a nuclear power station and a construction method thereof, and the assembled adjustable multi-cavity inclined steel plate shear wall is characterized in that: wherein the shear force wall includes two relative steel sheets of putting and the trompil channel-section steel of open end welded fastening on the steel sheet inner wall face to one side, the trompil channel-section steel is equipped with the trompil along the direction of height at two angle departments, establishes at the inboard trompil channel-section steel of two steel sheets along length direction dislocation set to make the trompil of two liang of trompil channel-sections inlay each other, inserted the steel pipe of filling the concrete in two trompil channel-section steel inlay spaces, pour the ultra high performance concrete in the cavity structure of two relative steel sheets of putting to one side. The invention has the advantages that: each component of the shear wall is prefabricated in a factory, and the shear wall is hollow in shape, light in weight, good in processing quality and convenient to construct; the wall body is a steel plate concrete combined shear wall consisting of perforated channel steel, a steel pipe filled with concrete, a steel plate and ultra-high performance concrete, and has high rigidity and bearing capacity.

Description

Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof
The technical field is as follows:
the invention relates to an assembled adjustable multi-cavity inclined steel plate shear wall for a nuclear power station and a construction method thereof.
Background art:
the existing containment structure of the nuclear power station can be divided into a reinforced concrete shear wall and a double-steel-plate combined shear wall, and the reinforced concrete shear wall has good integrity, heavy self weight and poor crack resistance; the double-steel-plate combined shear wall is high in strength, good in ductility, strong in impact resistance and explosion resistance, and easy to perform modular construction, but lateral stiffness degradation is too fast, and the ductility of core concrete is still poor.
The invention content is as follows:
in view of the defects of the prior art, the technical problem to be solved by the invention is to provide the assembled adjustable multi-cavity inclined steel plate shear wall for the nuclear power station, and the assembled adjustable multi-cavity inclined steel plate shear wall for the nuclear power station is beneficial to convenience and rapidness in construction and good in safety.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the invention relates to an assembled adjustable multi-cavity inclined steel plate shear wall for a nuclear power station, which is characterized in that: including the trompil channel-section steel of two relative steel sheets and open end welded fastening on the steel sheet inner wall face of putting to one side, the trompil channel-section steel is equipped with the trompil along the direction of height at two dog-ear departments, establishes at the inboard trompil channel-section steel of two steel sheets along length direction dislocation set to make the trompil of two liang of trompil channel-sections inlay each other, inserted the steel pipe that fills the concrete in the space is inlayed to two trompil channel-sections, pour the ultra high performance concrete in the cavity structure of two relative steel sheets of putting to one side.
Furthermore, the trompil of above-mentioned trompil channel-section steel is the rectangle, and is located two dog-ear departments, and the height of trompil is equivalent with the interval of upper and lower trompil to make things convenient for inlaying of two trompil channel-section steels in trompil department.
Furthermore, the opening channel steel is inclined towards the flange of the steel plate, and the inclined plane is matched with the inclined steel plate.
Further, the steel plate is a composite steel plate made of a combination of stainless steel QN1803 and carbon steel.
The invention relates to a construction method of an assembled adjustable multi-cavity inclined steel plate shear wall for a nuclear power station, which is characterized by comprising the following steps: the assembled adjustable multi-cavity inclined steel plate shear wall facing the nuclear power station comprises two steel plates which are oppositely inclined and opening channel steel with opening ends welded and fixed on inner side wall surfaces of the steel plates, wherein the opening channel steel is provided with openings at two folding corners along the height direction, the opening channel steel arranged on the inner sides of the two steel plates is arranged in a staggered manner along the length direction, the openings of every two opening channel steel are embedded into each other, a steel pipe filled with concrete is inserted into embedding spaces of the two opening channel steel, and ultrahigh-performance concrete is poured into cavity structures of the two opposite inclined steel plates; during construction, the method comprises the following steps:
1) drilling holes at two corners of the channel steel along the height direction; 2) welding flanges at two ends of the channel steel with the triangular steel plates respectively or cutting the flanges into an inclined shape to form the open-pore channel steel; 3) welding the open end of the processed open-hole channel steel with a steel plate; 4) transporting the prefabricated steel plate and the perforated channel steel to a site for assembly, and adjusting the distance between the two perforated channel steels according to specific requirements; 5) inserting a steel pipe filled with concrete into the two open-hole channel steel embedding spaces to complete assembly; 6) and pouring ultra-high performance concrete into the cavity structures of the two opposite inclined steel plates.
The assembled adjustable multi-cavity inclined steel plate shear wall oriented to the nuclear power station has the following advantages:
1) each component of the shear wall is prefabricated in a factory, and the shear wall is hollow in shape, light in weight, good in processing quality and convenient to construct;
2) the wall body is a steel plate concrete combined shear wall consisting of perforated channel steel, a steel pipe filled with concrete, a steel plate and ultra-high performance concrete, and has higher rigidity and bearing capacity;
3) the steel plate is combined with the channel steel, a cavity similar to square steel tube concrete is formed in the steel plate, the lateral stiffness of the core concrete is effectively improved when the concrete is poured, and meanwhile, the lateral stiffness is effectively prevented from being degraded too fast;
4) the steel plates on the two sides are oblique steel plates to form a pyramid shape, so that the stability is higher, and compared with double-steel-plate concrete, the consumption of a large amount of concrete is reduced, the self weight is reduced, and the manufacturing cost is reduced;
5) the perforated channel steels are spliced mutually, connecting members such as tie pieces and the like are omitted, the construction difficulty is reduced, and meanwhile, the construction time is shortened;
6) the open-cell channel steel is mutually butted, the thickness of the wall body can be adjusted according to actual conditions, and the structural economy is improved
7) The practicability of the wall body is effectively improved by adopting the steel plate composite steel plates at the inner side and the outer side;
8) the hole-opened channel steel is made of carbon steel, so that the ductility of the wall body is improved;
9) the core concrete adopts ultra-high performance concrete, and the structure bearing capacity is improved.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a three-dimensional view of one embodiment of the open-hole channel of the present invention;
FIG. 3 is a three-dimensional view of another embodiment of the open-hole channel of the present invention;
FIG. 4 is a top plan view of the present invention;
FIG. 5 is a side plan view of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of the present invention;
FIG. 7 is a three-dimensional cavity view of the present invention;
the reference numbers in the figures illustrate: 1-composite steel plate 2-perforated channel steel 3-concrete filled steel pipe 4-ultra-high performance concrete 5-perforation.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The assembled adjustable multi-cavity inclined steel plate shear wall facing a nuclear power station comprises two opposite inclined steel plates 1 and opening channel steel 2 with opening ends welded and fixed on inner side wall surfaces of the steel plates, wherein the opening channel steel is provided with openings 5 at two folding corners along the height direction, the opening channel steel arranged on the inner sides of the two steel plates is arranged along the length direction in a staggered mode, the openings of every two opening channel steel are embedded into each other, a steel pipe 3 filled with concrete is inserted into embedding spaces of the two opening channel steel, and ultrahigh-performance concrete 4 is poured into cavity structures of the two opposite inclined steel plates.
The utility model discloses a convenient two trompil channel-section steels, including trompil channel-section steel, the trompil of above-mentioned trompil channel-section steel is the rectangle, and is located two dog-ear departments, and the interval of trompil highly matches with upper and lower trompil to make things convenient for the inlaying of two trompil channel-section steels in trompil department, the interval size of upper and lower trompil can be less than the height of trompil, thereby makes things convenient for inlaying of two trompil channel-section steels in trompil department.
Above-mentioned trompil channel-section steel is the inclined plane towards the edge of a wing of steel sheet, and this inclined plane is identical with the steel sheet of putting to one side to make things convenient for steel sheet edge of a wing inclined plane and put the steel sheet laminating welding to one side.
The steel plate is a composite steel plate made of the combination of stainless steel QN1803 and carbon steel, thereby improving the durability and safety of the wall body.
The invention relates to a construction method of an assembled adjustable multi-cavity inclined steel plate shear wall facing a nuclear power station, which comprises two steel plates which are oppositely inclined and perforated channel steel with an opening end welded and fixed on the inner side wall surface of the steel plates, wherein the perforated channel steel is provided with openings at two folding angles along the height direction, the perforated channel steel arranged at the inner sides of the two steel plates is arranged along the length direction in a staggered manner, the openings of every two perforated channel steel are embedded into each other, a steel pipe filled with concrete is inserted into the embedding space of the two perforated channel steel, and ultrahigh-performance concrete is poured into the cavity structures of the two opposite inclined steel plates; during construction, the method comprises the following steps:
2) drilling holes at two corners of the channel steel along the height direction; 2) welding flanges at two ends of the channel steel with the triangular steel plates respectively or cutting the flanges into an inclined shape to form the open-pore channel steel; 3) welding the open end of the processed open-hole channel steel with a steel plate; 4) transporting the prefabricated steel plate and the perforated channel steel to a site for assembly, and adjusting the distance between the two perforated channel steels according to specific requirements; 5) inserting a steel pipe filled with concrete into the two open-hole channel steel embedding spaces to complete assembly; 6) and pouring ultra-high performance concrete into the cavity structures of the two opposite inclined steel plates.
The assembled adjustable multi-cavity inclined steel plate shear wall oriented to the nuclear power station has the following advantages:
1) each component of the shear wall is prefabricated in a factory, and the shear wall is hollow in shape, light in weight, good in processing quality and convenient to construct;
2) the wall body is a steel plate concrete combined shear wall consisting of perforated channel steel, a steel pipe filled with concrete, a steel plate and ultra-high performance concrete, and has higher rigidity and bearing capacity;
3) the steel plate is combined with the channel steel, a cavity similar to square steel tube concrete is formed in the steel plate, the lateral stiffness of the core concrete is effectively improved when the concrete is poured, and meanwhile, the lateral stiffness is effectively prevented from being degraded too fast;
4) the steel plates on the two sides are oblique steel plates to form a pyramid shape, so that the stability is higher, and compared with double-steel-plate concrete, the consumption of a large amount of concrete is reduced, the self weight is reduced, and the manufacturing cost is reduced;
5) the perforated channel steels are spliced mutually, connecting members such as tie pieces and the like are omitted, the construction difficulty is reduced, and meanwhile, the construction time is shortened;
6) the open-cell channel steel is mutually butted, the thickness of the wall body can be adjusted according to actual conditions, and the structural economy is improved
7) The practicability of the wall body is effectively improved by adopting the steel plate composite steel plates at the inner side and the outer side;
8) the hole-opened channel steel is made of carbon steel, so that the ductility of the wall body is improved;
9) the core concrete adopts ultra-high performance concrete, and the structure bearing capacity is improved.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides an adjustable multicavity oblique steel sheet shear force wall of assembled towards nuclear power station which characterized in that: including the trompil channel-section steel of two relative steel sheets and open end welded fastening on the steel sheet inner wall face of putting to one side, the trompil channel-section steel is equipped with the trompil along the direction of height at two dog-ear departments, establishes at the inboard trompil channel-section steel of two steel sheets along length direction dislocation set to make the trompil of two liang of trompil channel-sections inlay each other, inserted the steel pipe that fills the concrete in the space is inlayed to two trompil channel-sections, pour the ultra high performance concrete in the cavity structure of two relative steel sheets of putting to one side.
2. The assembled adjustable multi-cavity inclined steel plate shear wall facing a nuclear power plant as claimed in claim 1, wherein: the trompil of trompil channel-section steel is the rectangle, and is located two dog-ear departments, and the height of trompil matches with the interval of upper and lower trompil to make things convenient for inlaying of two trompil channel-section steels in trompil department.
3. The assembled adjustable multi-cavity inclined steel plate shear wall facing a nuclear power plant as claimed in claim 1, wherein: the opening channel steel is inclined towards the flange of the steel plate, and the inclined plane is matched with the inclined steel plate.
4. The assembled adjustable multi-cavity inclined steel plate shear wall facing a nuclear power plant as claimed in claim 1, wherein: the steel plate is a composite steel plate made of stainless steel QN1803 and carbon steel.
5. A construction method of an assembled adjustable multi-cavity inclined steel plate shear wall for a nuclear power station is characterized by comprising the following steps: the assembled adjustable multi-cavity inclined steel plate shear wall facing the nuclear power station comprises two steel plates which are oppositely inclined and opening channel steel with opening ends welded and fixed on inner side wall surfaces of the steel plates, wherein the opening channel steel is provided with openings at two folding corners along the height direction, the opening channel steel arranged on the inner sides of the two steel plates is arranged in a staggered manner along the length direction, the openings of every two opening channel steel are embedded into each other, a steel pipe filled with concrete is inserted into embedding spaces of the two opening channel steel, and ultrahigh-performance concrete is poured into cavity structures of the two opposite inclined steel plates; during construction, the method comprises the following steps:
1) drilling holes at two corners of the channel steel along the height direction; 2) welding flanges at two ends of the channel steel with the triangular steel plates respectively or cutting the flanges into an inclined shape to form the open-pore channel steel; 3) welding the open end of the processed open-hole channel steel with a steel plate; 4) transporting the prefabricated steel plate and the perforated channel steel to a site for assembly, and adjusting the distance between the two perforated channel steels according to specific requirements; 5) inserting a steel pipe filled with concrete into the two open-hole channel steel embedding spaces to complete assembly; 6) and pouring ultra-high performance concrete into the cavity structures of the two opposite inclined steel plates.
CN202110493464.0A 2021-05-07 2021-05-07 Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof Active CN113202209B (en)

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CN202110493464.0A CN113202209B (en) 2021-05-07 2021-05-07 Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof

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CN202110493464.0A CN113202209B (en) 2021-05-07 2021-05-07 Assembled adjustable multi-cavity inclined steel plate shear wall for nuclear power station and construction method thereof

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103147526A (en) * 2013-03-06 2013-06-12 东南大学 Strip-shaped grate concrete filled steel tube combined structure shear wall and preparation method thereof
CN205502309U (en) * 2016-01-23 2016-08-24 合肥工业大学 Strengthen double steel plates compound shear wall
CN106121089A (en) * 2016-08-21 2016-11-16 王立军 A kind of steel plate combined shear wall preventing steel plate drum song being prone to construction
CN205935300U (en) * 2016-08-19 2017-02-08 杭州铁木辛柯钢结构设计有限公司 Rod iron double steel plates concrete compound shear wall's structure is worn to multicavity stiffening rib
CN107795040A (en) * 2017-10-18 2018-03-13 天津大学 Build double steel plate concrete structure double steel plate connecting elements
CN109138225A (en) * 2018-10-18 2019-01-04 哈尔滨工业大学 A kind of assembled arthitecutral structure inlays intersection board connecting structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103147526A (en) * 2013-03-06 2013-06-12 东南大学 Strip-shaped grate concrete filled steel tube combined structure shear wall and preparation method thereof
CN205502309U (en) * 2016-01-23 2016-08-24 合肥工业大学 Strengthen double steel plates compound shear wall
CN205935300U (en) * 2016-08-19 2017-02-08 杭州铁木辛柯钢结构设计有限公司 Rod iron double steel plates concrete compound shear wall's structure is worn to multicavity stiffening rib
CN106121089A (en) * 2016-08-21 2016-11-16 王立军 A kind of steel plate combined shear wall preventing steel plate drum song being prone to construction
CN107795040A (en) * 2017-10-18 2018-03-13 天津大学 Build double steel plate concrete structure double steel plate connecting elements
CN109138225A (en) * 2018-10-18 2019-01-04 哈尔滨工业大学 A kind of assembled arthitecutral structure inlays intersection board connecting structure

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