CN111424850A - Prefabricated reinforced concrete shear wall and construction method - Google Patents
Prefabricated reinforced concrete shear wall and construction method Download PDFInfo
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- CN111424850A CN111424850A CN202010401215.XA CN202010401215A CN111424850A CN 111424850 A CN111424850 A CN 111424850A CN 202010401215 A CN202010401215 A CN 202010401215A CN 111424850 A CN111424850 A CN 111424850A
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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
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
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- 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
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Abstract
The invention discloses a prefabricated reinforced concrete shear wall and a construction method thereof, wherein the prefabricated reinforced concrete shear wall comprises a concrete wall body, wherein one side of the concrete wall body is provided with an edge member, the other side of the concrete wall body is provided with a horizontal protruding longitudinal rib, and two sides of the concrete wall body are provided with vertical protruding longitudinal ribs; and steel beam connecting pieces are arranged at two ends of the edge member. The construction method comprises the following steps: hoisting the prefabricated reinforced concrete shear wall of the same layer to a specified position; binding the stirrups and the longitudinal bars in the horizontal connecting area to obtain a lower-layer shear wall frame; hoisting the two prefabricated reinforced concrete shear walls on the upper layer; fourthly, arranging hidden beam steel bars and hidden beam longitudinal bars in the vertical connecting area; connecting and fixing the steel beam connecting pieces which are adjacent up and down; longitudinal bar connectors are arranged between the hidden column longitudinal bars, and stirrups are inserted into the stirrup holes; and building a concrete pouring template, and pouring and forming concrete to obtain the wall body. The invention has the advantages of low cost, convenient connection and good fireproof performance.
Description
Technical Field
The invention relates to a shear wall, in particular to a prefabricated reinforced concrete shear wall and a construction method.
Background
Shear walls are also called seismic walls or structural walls; the wall body mainly bears horizontal load and vertical load caused by wind load or earthquake action in a house or a structure. The conventional shear wall mainly has a reinforced concrete structure, is generally made by adopting a cast-in-place concrete mode, needs to bind a steel reinforcement framework and pour concrete on site, is low in construction speed and difficult to ensure pouring quality; secondly, the dead weight of the concrete beam is heavy, the manufacturing cost of the vertical member and the foundation is influenced, the anti-seismic performance of the structure is not high, the beam height of the concrete beam is high under the same span and load conditions, the net height of the building is reduced, and the use of the building is influenced; and the concrete beam is provided with a complicated structure. With the development of green buildings and building industrialization, assembly type buildings gradually enter the market, and the assembly type shear wall gradually replaces the traditional cast-in-place concrete shear wall. The existing fabricated shear wall structure system is mainly a steel plate composite shear wall, and is convenient to connect, quick to construct and guaranteed in construction quality; however, the steel plate composite shear wall has poor fireproof performance, additional fireproof protection is needed, the manufacturing cost is high, and the fireproof material also occupies the using area of the building, so that the using efficiency of the building is not high. The fireproof material is easily damaged in later decoration engineering, and the fireproof safety of the structure is affected; meanwhile, the steel consumption is high, and the manufacturing cost is high. Therefore, the prior art has the problems that the manufacturing cost is low, the connection is convenient and the fireproof performance is good.
Disclosure of Invention
The invention aims to provide a prefabricated reinforced concrete shear wall and a construction method. The invention has the advantages of low cost, convenient connection and good fireproof performance.
The technical scheme of the invention is as follows: the utility model provides a prefabricated reinforced concrete shear force wall, includes concrete wall, and concrete wall's upper and lower both ends are equipped with vertical protrusion and indulge the muscle, and concrete wall's side is equipped with marginal component, and the upper and lower both ends of marginal component are equipped with the girder steel connecting piece.
In the prefabricated reinforced concrete shear wall, an edge member is arranged on one side of the concrete wall, and a horizontal protruding longitudinal rib is arranged on the other side of the concrete wall.
In the prefabricated reinforced concrete shear wall, the two sides of the concrete wall body are respectively provided with the edge member.
In the prefabricated reinforced concrete shear wall, the edge member has a straight line type, L type, T type or end column structure.
In the prefabricated reinforced concrete shear wall, horizontal longitudinal ribs corresponding to the horizontal protruding longitudinal ribs and vertical longitudinal ribs corresponding to the vertical protruding longitudinal ribs are arranged in the concrete wall body, and tie bars are further arranged on the vertical longitudinal ribs.
In the prefabricated reinforced concrete shear wall, the edge member comprises a concrete embedded column, an embedded column steel reinforcement framework is arranged in the concrete embedded column, and the horizontal longitudinal reinforcement is anchored into the concrete embedded column; the hidden column steel bar framework comprises hidden column longitudinal bars, hidden column stirrups and hidden column lacing wires which are connected with one another; the upper end and the lower end of the embedded column longitudinal bar respectively penetrate out of the upper surface and the lower surface of the concrete embedded column.
In the prefabricated reinforced concrete shear wall, the steel beam connecting piece comprises a flange plate, and a group of vertically arranged web plates are arranged on the flange plate; longitudinal rib holes are formed in the surfaces of the flange plates; and the web plate is provided with stirrup perforation and concrete pouring holes.
In the prefabricated reinforced concrete shear wall, the flange plate is further provided with studs or shear keys.
A construction method of a prefabricated reinforced concrete shear wall comprises the steps of hoisting the prefabricated reinforced concrete shear wall required by a wall body in place before concrete pouring of a lower floor slab, and completing connection between the lower floor slab and the wall body through a hidden beam between the lower floor slab and the wall body;
the construction pouring method for the prefabricated reinforced concrete shear wall body comprises the following specific steps:
step one, forming a horizontal connection area between two prefabricated reinforced concrete shear walls on the layer, binding stirrups and longitudinal bars in the horizontal connection area, and arranging support pieces on the corresponding prefabricated reinforced concrete shear walls;
secondly, respectively hoisting the two prefabricated reinforced concrete shear walls of the previous layer to corresponding positions above the prefabricated reinforced concrete shear wall of the previous layer, wherein a vertical connection area is formed between the prefabricated reinforced concrete shear wall of the previous layer and the prefabricated reinforced concrete shear wall of the current layer, and an edge member connection area is arranged between the upper and lower adjacent steel beam connecting pieces;
thirdly, connecting the steel beam connecting pieces which are adjacent up and down; connecting the upper and lower adjacent hidden column longitudinal bars in the edge member connecting area by using a steel bar connector, and inserting stirrups in the stirrup through holes;
fourthly, arranging hidden beam stirrups and hidden beam longitudinal bars in the vertical connecting area;
fifthly, connecting the steel beam connecting piece with the steel beam in an all-bolt connection, stud welding connection or all-welding connection mode;
sixthly, erecting a template for post-pouring concrete in the horizontal connection area, the vertical connection area and the edge member connection area;
seventhly, laying laminated slabs or floor bearing plates on the steel beams, binding floor slab reinforcing steel bars, pouring concrete in post-pouring areas of the floor slabs and the shear walls, and curing and forming to obtain the wall body;
repeating the first step to the seventh step until the concrete construction and forming of the roof floor slab are completed;
the prefabricated reinforced concrete shear wall adopts the prefabricated reinforced concrete shear wall.
Compared with the prior art, the invention consists of a concrete wall body, an edge member and a steel beam connecting piece, combines the assembled reinforced concrete shear wall and the steel beam to replace the traditional shear wall structure, has high assembly rate and prefabrication rate, and meets the requirements of building industrialization and green buildings; meanwhile, the fireproof door has the advantages of good fireproof performance, low manufacturing cost and convenience in connection. Particularly, the steel beam connecting piece is arranged at the end part of the edge member, so that the assembly type construction is facilitated, the connection is convenient and quick, the construction quality is guaranteed, and meanwhile, a large amount of steel is not needed to be used in the shear wall, so that the manufacturing cost can be effectively reduced; moreover, the holes are conveniently formed in the web plates of the steel beams, so that the pipelines can penetrate through the beams, and the using effect of the building is good. In conclusion, the fireproof door can simultaneously have the advantages of low manufacturing cost, convenience in connection and good fireproof performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an interior view of the concrete wall interior and edge members;
FIG. 3 is a structural view of a steel beam connection;
FIG. 4 is a process flow diagram of the construction method of the present invention
FIG. 5 is a reinforcement bar connection flow diagram of the vertical connection area;
FIG. 6 is a flow chart of a rebar junction in a horizontal junction;
FIG. 7 is an assembled view of the upper and lower adjacent steel beam connectors;
FIG. 8 is a structural view of an edge member of the L-type structure;
fig. 9 is a structural view of an edge member of a T-shaped structure.
The labels in the figures are: 1-concrete wall, 2-edge member, 3-horizontal protruding longitudinal bar, 4-vertical protruding longitudinal bar, 5-steel beam connector, 6-horizontal longitudinal bar, 7-vertical longitudinal bar, 8-tie bar, 201-concrete hidden column, 202-hidden column longitudinal bar, 203-hidden column hoop bar, 204-hidden column tie bar, 501-flange plate, 502-web plate, 503-longitudinal bar hole, 504-hoop bar hole, 505-concrete pouring hole.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A prefabricated reinforced concrete shear wall is shown in figures 1 to 9 and comprises a concrete wall body 1, vertical protruding longitudinal ribs 4 are arranged at the upper end and the lower end of the concrete wall body 1, an edge member 2 is arranged on the side face of the concrete wall body 1, and steel beam connecting pieces 5 are arranged at the upper end and the lower end of the edge member 2.
An edge member 2 is arranged on one side of the concrete wall body 1, and a horizontal protruding longitudinal rib 3 is arranged on the other side of the concrete wall body 1.
And edge members 2 are arranged on two sides of the concrete wall 1.
The edge member 2 is of a straight, L or T-shaped configuration.
The concrete wall body 1 is internally provided with a horizontal longitudinal rib 6 corresponding to the horizontal protruding longitudinal rib 3 and a vertical longitudinal rib 7 corresponding to the vertical protruding longitudinal rib 4, and the vertical longitudinal rib 7 is also provided with a tie bar 8.
The edge member 2 comprises a concrete embedded column 201, an embedded column steel bar framework is arranged in the concrete embedded column 201, and the horizontal longitudinal bar 6 is anchored into the concrete embedded column 201; the hidden column steel bar framework comprises hidden column longitudinal bars 202, hidden column stirrups 203 and hidden column tie bars 204 which are connected with one another; the upper and lower ends of the embedded column longitudinal bar 202 respectively penetrate out of the upper and lower surfaces of the concrete embedded column 201.
The steel beam connecting piece 5 comprises a flange plate 501, and a group of vertically arranged webs 502 are arranged on the flange plate 501; longitudinal rib holes 503 are formed in the surface of the flange plate 501; the web 502 is provided with stirrup perforation 504 and concrete pouring hole 505.
The flange plate 501 is also provided with studs or shear keys.
Holes or post-cast areas for inserting floor slab steel bars are required to be reserved on the wall body of the prefabricated reinforced concrete shear wall.
A construction method of a prefabricated reinforced concrete shear wall comprises the steps of hoisting the prefabricated reinforced concrete shear wall required by a wall body in place before concrete pouring of a lower floor slab, and completing connection between the lower floor slab and the wall body through a hidden beam between the lower floor slab and the wall body;
the construction pouring method for the prefabricated reinforced concrete shear wall body comprises the following specific steps:
step one, forming a horizontal connection area between two precast reinforced concrete shear walls of the layer, binding stirrups and longitudinal bars in the horizontal connection area, and arranging support pieces on the corresponding precast reinforced concrete shear walls to obtain the concrete shear walls of the layer;
secondly, respectively hoisting the two prefabricated reinforced concrete shear walls of the previous layer to corresponding positions above the prefabricated reinforced concrete shear wall of the previous layer, wherein a vertical connection area is formed between the prefabricated reinforced concrete shear wall of the previous layer and the prefabricated reinforced concrete shear wall of the current layer, and an edge member connection area is arranged between the upper and lower adjacent steel beam connecting pieces;
thirdly, connecting the steel beam connecting pieces which are adjacent up and down; connecting the upper and lower adjacent hidden column longitudinal bars in the edge member connecting area by using a steel bar connector, and inserting stirrups in the stirrup through holes;
fourthly, arranging hidden beam stirrups and hidden beam longitudinal bars in the vertical connecting area;
fifthly, connecting the steel beam connecting piece with the steel beam in an all-bolt connection, stud welding connection or all-welding connection mode;
sixthly, erecting a template for post-pouring concrete in the horizontal connection area, the vertical connection area and the edge member connection area;
seventhly, laying laminated slabs or floor bearing plates on the steel beams, binding floor slab reinforcing steel bars, pouring concrete in post-pouring areas of the floor slabs and the shear walls, and curing and forming to obtain the wall body;
repeating the first step to the seventh step until the concrete construction and forming of the roof floor slab are completed;
the prefabricated reinforced concrete shear wall adopts the prefabricated reinforced concrete shear wall.
The connection order of the hidden beam steel bars and the hidden beam longitudinal bars of the vertical connection area is as follows: 1. the longitudinal ribs on the lower layer are in place and are in an inverted U shape; 2. the longitudinal ribs on the upper layer are in place and are U-shaped; 3. attaching stirrups of the hidden beam; 4. penetrating hidden beam longitudinal bar by utilizing concrete pouring hole formed on web plate of steel beam connecting piece
The steel bar connection sequence of the horizontal connection area is as follows: 1, positioning a horizontal longitudinal rib at one side in a U shape; 2, the horizontal longitudinal bar at the other side is in place and is in a U shape in the opposite direction; 3, adding a stirrup; 4, inserting the longitudinal bars of the horizontal connecting area from the upper end to complete the steel bar connection
The connection sequence of the upper and lower steel beams in the edge component area is as follows: 1. the steel beam connecting piece at the lower part is in place; 2. the upper steel beam connecting piece is in place, the upper layer steel beam connecting piece and the lower layer steel beam connecting piece are connected by bolts or welding, and the upper layer steel beam connecting piece and the lower layer steel beam connecting piece bear the dead weight and the temporary load of the upper shear wall together with the supporting piece in the middle of the wall body after the strength is achieved; 3. connecting longitudinal steel bars in the edge component area, wherein steel bar connectors are generally adopted for equal-strength connection, and lap joint, welding or mechanical connection can also be adopted; 4. the stirrups of the edge member connecting area are arranged in the stirrup holes of the steel beam connecting piece in an inserting mode.
When the core area of the node is poured, the steel plate member without form removal is directly adopted, so that the connection effect of the reinforcing steel bars can be enhanced, and the requirements on strong connection of the reinforcing steel bars and the like can be reduced.
In order to enhance the bonding performance of the flange plate and the column concrete and improve the shear-resistant bearing capacity, shear keys or studs can be arranged on the upper side and the lower side of the flange plate.
Claims (9)
1. The utility model provides a prefabricated reinforced concrete shear force wall which characterized in that: the concrete wall comprises a concrete wall body (1), vertical protruding longitudinal ribs (4) are arranged at the upper end and the lower end of the concrete wall body (1), edge members (2) are arranged on the side faces of the concrete wall body (1), and steel beam connecting pieces (5) are arranged at the upper end and the lower end of the edge members (2).
2. The prefabricated reinforced concrete shear wall of claim 1, wherein: an edge member (2) is arranged on one side of the concrete wall body (1), and a horizontal protruding longitudinal rib (3) is arranged on the other side of the concrete wall body (1).
3. The prefabricated reinforced concrete shear wall of claim 1, wherein: and edge members (2) are arranged on two sides of the concrete wall body (1).
4. The prefabricated reinforced concrete shear wall according to claim 1, wherein the edge members (2) are in a straight line shape, L shape, T shape or end column structure.
5. A prefabricated reinforced concrete shear wall as claimed in claim 2, wherein: the concrete wall body (1) is internally provided with a horizontal longitudinal rib (6) corresponding to the horizontal protruding longitudinal rib (3) and a vertical longitudinal rib (7) corresponding to the vertical protruding longitudinal rib (4), and the vertical longitudinal rib (7) is also provided with a tie bar (8).
6. The prefabricated reinforced concrete shear wall of claim 5, wherein: the edge member (2) comprises a concrete hidden column (201), a hidden column steel reinforcement framework is arranged in the concrete hidden column (201), and the horizontal longitudinal reinforcement (6) is anchored into the concrete hidden column (201); the hidden column steel reinforcement framework comprises hidden column longitudinal reinforcements (202), hidden column stirrups (203) and hidden column tie reinforcements (204) which are connected with one another; the upper end and the lower end of the hidden column longitudinal bar (202) respectively penetrate through the upper surface and the lower surface of the concrete hidden column (201).
7. The prefabricated reinforced concrete shear wall of claim 1, wherein: the steel beam connecting piece (5) comprises a flange plate (501), and a group of vertically arranged webs (502) are arranged on the flange plate (501); longitudinal rib holes (503) are formed in the surface of the flange plate (501); the web plate (502) is provided with stirrup through holes (504) and concrete pouring holes (505).
8. A prefabricated reinforced concrete shear wall as claimed in claim 7, wherein: the flange plate (501) is also provided with studs or shear keys.
9. A construction method of a prefabricated reinforced concrete shear wall is characterized in that the prefabricated reinforced concrete shear wall required by the wall body of the layer is hoisted in place before concrete of a lower floor slab is poured, and the connection between the lower floor slab and the wall body of the layer is completed through a hidden beam between the lower floor slab and the wall body of the layer;
the construction pouring of the wall body of the layer comprises the following specific steps:
step one, forming a horizontal connection area between two prefabricated reinforced concrete shear walls on the layer, binding stirrups and longitudinal bars in the horizontal connection area, and arranging support pieces on the corresponding prefabricated reinforced concrete shear walls;
secondly, respectively hoisting the two prefabricated reinforced concrete shear walls of the previous layer to corresponding positions above the prefabricated reinforced concrete shear wall of the previous layer, wherein a vertical connection area is formed between the prefabricated reinforced concrete shear wall of the previous layer and the prefabricated reinforced concrete shear wall of the current layer, and an edge member connection area is arranged between the upper and lower adjacent steel beam connecting pieces;
thirdly, connecting the steel beam connecting pieces which are adjacent up and down; connecting the upper and lower adjacent hidden column longitudinal bars in the edge member connecting area by using a steel bar connector, and inserting stirrups in the stirrup through holes;
fourthly, arranging hidden beam stirrups and hidden beam longitudinal bars in the vertical connecting area;
fifthly, connecting the steel beam connecting piece with the steel beam in an all-bolt connection, stud welding connection or all-welding connection mode;
sixthly, erecting a template for post-pouring concrete in the horizontal connection area, the vertical connection area and the edge member connection area;
seventhly, laying laminated slabs or floor bearing plates on the steel beams, binding floor slab reinforcing steel bars, pouring concrete in post-pouring areas of the floor slabs and the shear walls, and curing and forming to obtain the wall body;
repeating the first step to the seventh step until the concrete construction and forming of the roof floor slab are completed;
the prefabricated reinforced concrete shear wall adopts the prefabricated reinforced concrete shear wall as claimed in any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010401215.XA CN111424850A (en) | 2020-05-13 | 2020-05-13 | Prefabricated reinforced concrete shear wall and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010401215.XA CN111424850A (en) | 2020-05-13 | 2020-05-13 | Prefabricated reinforced concrete shear wall and construction method |
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| CN111424850A true CN111424850A (en) | 2020-07-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709349A (en) * | 2020-12-25 | 2021-04-27 | 黑龙江中晟绿色建筑产业发展有限公司 | Assembled shear force wall of longitudinal tie bar in both sides of circular steel tube concrete |
| CN112832385A (en) * | 2020-12-25 | 2021-05-25 | 黑龙江中晟绿色建筑产业发展有限公司 | Round steel tube concrete longitudinal connecting device of assembled shear wall |
| CN113026993A (en) * | 2021-02-22 | 2021-06-25 | 姚攀峰 | Assembly type combined connecting beam window opening component, structure and manufacturing and construction method |
| CN113502948A (en) * | 2021-08-13 | 2021-10-15 | 中铁二十局集团市政工程有限公司 | Reinforced concrete shear wall with steel connecting pieces and soft steel supports and construction method |
-
2020
- 2020-05-13 CN CN202010401215.XA patent/CN111424850A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709349A (en) * | 2020-12-25 | 2021-04-27 | 黑龙江中晟绿色建筑产业发展有限公司 | Assembled shear force wall of longitudinal tie bar in both sides of circular steel tube concrete |
| CN112832385A (en) * | 2020-12-25 | 2021-05-25 | 黑龙江中晟绿色建筑产业发展有限公司 | Round steel tube concrete longitudinal connecting device of assembled shear wall |
| CN113026993A (en) * | 2021-02-22 | 2021-06-25 | 姚攀峰 | Assembly type combined connecting beam window opening component, structure and manufacturing and construction method |
| CN113502948A (en) * | 2021-08-13 | 2021-10-15 | 中铁二十局集团市政工程有限公司 | Reinforced concrete shear wall with steel connecting pieces and soft steel supports and construction method |
| CN113502948B (en) * | 2021-08-13 | 2023-02-24 | 中铁二十局集团市政工程有限公司 | Reinforced concrete shear wall with steel connecting pieces and soft steel supports and construction method |
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