CN111424849A - Prefabricated reinforced concrete shear wall convenient to install and construction method - Google Patents
Prefabricated reinforced concrete shear wall convenient to install and construction method Download PDFInfo
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- CN111424849A CN111424849A CN202010401214.5A CN202010401214A CN111424849A CN 111424849 A CN111424849 A CN 111424849A CN 202010401214 A CN202010401214 A CN 202010401214A CN 111424849 A CN111424849 A CN 111424849A
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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 convenient and fast to install and a construction method; the concrete wall comprises a concrete wall body, wherein edge members are arranged on the side surface of the concrete wall body, and longitudinal ribs vertically protrude from the end surface of the concrete wall body; one end of the edge member is provided with a steel beam connecting piece; the steel beam connecting piece comprises two flange plates, and a web plate is arranged between the two flange plates. The construction method comprises the following steps: binding stirrups and longitudinal bars in the horizontal connecting area, arranging a supporting piece and a steel beam connecting piece on the shear wall, and fixing the steel beam connecting piece on an anchor bolt; arranging hidden beam steel bars and hidden beam stirrups in the vertical connecting area; connecting the hidden column longitudinal bars by adopting a longitudinal bar connector, and inserting stirrups in the stirrup perforation; connecting the steel beam connecting piece with the steel beam; lay superimposed sheet or floor carrier plate on the girder steel, ligature floor reinforcing bar, concreting, the maintenance obtains this layer of wall body. The invention has the characteristics of low manufacturing cost and good fireproof performance.
Description
Technical Field
The invention relates to a shear wall, in particular to a prefabricated reinforced concrete shear wall convenient to install and a construction method.
Background
With the development of green buildings and building industrialization, the assembled shear wall gradually enters the market, and the assembled shear wall gradually replaces the traditional cast-in-place concrete shear wall. The existing fabricated shear wall is characterized in that the existing fabricated shear wall structure system is mainly a steel plate combined shear wall, the connection is convenient, the construction is rapid, and the construction quality is ensured; 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. Meanwhile, the steel plate composite shear wall needs manual positioning when being assembled, certain time is consumed, and deviation is easy to generate. Therefore, the prior art has the problems of high cost and poor fireproof performance.
Disclosure of Invention
The invention aims to provide a prefabricated reinforced concrete shear wall convenient to install and a construction method. The invention has the characteristics of low manufacturing cost and good fireproof performance.
The technical scheme of the invention is as follows: a prefabricated reinforced concrete shear wall convenient to install comprises a concrete wall body, wherein edge members are arranged on the side face of the concrete wall body, and vertical protruding longitudinal ribs are arranged at the upper end and the lower end of the concrete wall body; one end of the edge member is provided with a steel beam connecting piece; the steel beam connecting piece comprises two flange plates which are distributed in an up-down parallel mode, and a group of webs which are vertically distributed are arranged between the two flange plates.
In the prefabricated reinforced concrete shear wall convenient and fast to install, anchor bolts are arranged at the upper end and the lower end of the edge member, and a steel beam connecting piece is arranged on the anchor bolt at one end.
In the prefabricated reinforced concrete shear wall convenient and fast to install, the edge member is arranged on one side of the concrete wall body, and the horizontal protruding longitudinal ribs are arranged on the other side of the concrete wall body.
In the prefabricated reinforced concrete shear wall convenient and fast to install, edge members are arranged on two sides of the concrete wall body.
In the prefabricated reinforced concrete shear wall convenient and fast to install, the edge member is of a straight-line type, L type, T type or end column structure.
In the prefabricated reinforced concrete shear wall convenient and fast to install, the flange plates are provided with the studs or the shear keys.
In the prefabricated reinforced concrete shear wall convenient and fast to install, the horizontal longitudinal ribs corresponding to the horizontal protruding longitudinal ribs and the vertical longitudinal ribs corresponding to the vertical protruding longitudinal ribs are arranged in the concrete wall body, and the vertical longitudinal ribs are further provided with the tie bars.
In the prefabricated reinforced concrete shear wall convenient and fast to install, 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 bars are 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; the anchor bolts are positioned at the upper end and the lower end of the concrete hidden column.
In the prefabricated reinforced concrete shear wall convenient and fast to install, the flange plates are provided with anchor bolt holes; and the web plate is provided with stirrup perforation and concrete pouring holes.
A construction method for installing a convenient prefabricated reinforced concrete shear wall is characterized in that before concrete of a lower floor slab is poured, the convenient prefabricated reinforced concrete shear wall required by the wall body is hoisted in place, and the connection between the wall body of the lower floor slab and the wall body of the current floor slab is completed through a hidden beam between the lower floor slab and the wall body of the current floor slab;
the construction pouring of the wall body of the layer comprises the following specific steps:
step one, forming a horizontal connecting area between two conveniently-installed prefabricated reinforced concrete shear walls on the layer, binding stirrups and longitudinal bars in the horizontal connecting area, arranging supporting pieces and steel beam connecting pieces on the corresponding conveniently-installed prefabricated reinforced concrete shear walls, and fixing the steel beam connecting pieces on anchor bolts by nuts;
secondly, respectively hoisting the two convenient and fast-to-mount prefabricated reinforced concrete shear walls on the upper layer to corresponding positions above the convenient and fast-to-mount prefabricated reinforced concrete shear wall on the upper layer, matching the two convenient and fast-to-mount prefabricated reinforced concrete shear walls with the steel beam connecting pieces on the upper layer, and fixing the steel beam connecting pieces with the convenient and fast-to-mount prefabricated reinforced concrete shear walls by adopting nuts; a vertical connection area is formed between the convenient prefabricated reinforced concrete shear wall on the upper layer and the convenient prefabricated reinforced concrete shear wall on the current layer;
thirdly, arranging hidden beam steel bars and hidden beam stirrups in the vertical connecting area;
fourthly, connecting upper and lower adjacent embedded column longitudinal bars by adopting longitudinal bar connectors in an edge member connecting area formed in a steel beam connecting piece area, and inserting stirrups in the stirrup perforation;
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, casting a concrete template in the horizontal connecting area, the vertical connecting area and the edge member connecting 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 convenient and fast to install adopts the prefabricated reinforced concrete shear wall convenient and fast to install.
Compared with the prior art, the invention consists of a concrete wall body, an edge member and a steel beam connecting piece, integrates an assembled reinforced concrete shear wall and a steel beam structure into a whole 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 consisting of the upper flange plate, the lower flange plate and the web plate is arranged at one end of the edge member, so that the assembly type construction is facilitated, the connection is convenient and quick, the construction quality is guaranteed, and a large amount of steel is not needed, so that the manufacturing cost can be effectively reduced; according to the invention, only one steel beam connecting piece needs to be arranged, and two shear walls which are adjacent up and down are connected by adopting a mode of matching insertion positioning and nut fixing, so that the using amount of the steel beam connecting piece is reduced, the positioning and the installation of the shear walls are greatly facilitated, the installation precision is improved, the installation difficulty is reduced, the time consumed by positioning is reduced, and the installation efficiency is improved. In addition, because the height of the steel beam connecting piece is higher, the pipeline can be conveniently inserted, and the using effect of the building is good. In conclusion, the invention has the characteristics of low manufacturing cost and good fireproof performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an installation view of a steel beam connection with an edge member;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is an interior view of the concrete wall interior and edge members;
FIG. 6 is a reinforcement bar connection flow diagram of the vertical connection area;
FIG. 7 is a reinforcement bar joining flow chart of the horizontal joint section;
FIG. 8 is a schematic illustration of the construction process of the present invention;
FIG. 9 is a flow chart of installation of a steel beam connection;
FIG. 10 is a structural view of an edge member of the L-type construction;
fig. 11 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 stirrup, 204-hidden column tie bar, 205-anchor bolt, 501-flange plate, 502-web plate, 503-anchor bolt hole, 504-hoop reinforcement perforation, 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 convenient to install is formed as shown in figures 1 to 11 and comprises a concrete wall body 1, wherein edge members 2 are arranged on the side face of the concrete wall body 1, and vertical protruding longitudinal ribs 4 are arranged at the upper end and the lower end of the concrete wall body 1; one end of the edge member 2 is provided with a steel beam connecting piece 5; the steel beam connecting piece 5 comprises two flange plates 501 which are vertically distributed in parallel, and a group of webs 502 which are vertically distributed are arranged between the two flange plates 501.
The upper end and the lower end of the edge component 2 are provided with anchor bolts 205, and the anchor bolt 205 at one end is provided with a steel beam connecting piece 5.
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, T or end post configuration.
The flange plate 501 is provided with studs or shear keys.
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 end and the lower end of the embedded column longitudinal bar 202 respectively penetrate out of the upper surface and the lower surface of the concrete embedded column 201; the anchor bolts 205 are located at the upper and lower ends of the concrete hidden column 201.
The flange plate 501 is provided with an anchor bolt hole 503; the web 502 is provided with stirrup perforation 504 and concrete pouring hole 505.
Holes or post-cast areas for inserting floor steel bars need to be reserved on the wall body of the prefabricated reinforced concrete shear wall convenient and fast to install.
A construction method for installing a convenient prefabricated reinforced concrete shear wall is characterized in that before concrete of a lower floor slab is poured, the convenient prefabricated reinforced concrete shear wall required by the wall body is hoisted in place, and the connection between the wall body of the lower floor slab and the wall body of the current floor slab is completed through a hidden beam between the lower floor slab and the wall body of the current floor slab;
the construction pouring of the wall body of the layer comprises the following specific steps:
step one, forming a horizontal connecting area between two conveniently-installed prefabricated reinforced concrete shear walls on the layer, binding stirrups and longitudinal bars in the horizontal connecting area, arranging supporting pieces and steel beam connecting pieces on the corresponding conveniently-installed prefabricated reinforced concrete shear walls, and fixing the steel beam connecting pieces on anchor bolts by nuts;
secondly, respectively hoisting the two convenient and fast-to-mount prefabricated reinforced concrete shear walls on the upper layer to corresponding positions above the convenient and fast-to-mount prefabricated reinforced concrete shear wall on the upper layer, matching the two convenient and fast-to-mount prefabricated reinforced concrete shear walls with the steel beam connecting pieces on the upper layer, and fixing the steel beam connecting pieces with the convenient and fast-to-mount prefabricated reinforced concrete shear walls by adopting nuts; a vertical connection area is formed between the convenient prefabricated reinforced concrete shear wall on the upper layer and the convenient prefabricated reinforced concrete shear wall on the current layer;
thirdly, arranging hidden beam steel bars and hidden beam stirrups in the vertical connecting area;
fourthly, connecting upper and lower adjacent embedded column longitudinal bars by adopting longitudinal bar connectors in an edge member connecting area formed in a steel beam connecting piece area, and inserting stirrups in the stirrup perforation;
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, casting a concrete template in the horizontal connecting area, the vertical connecting area and the edge member connecting 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 surface;
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 convenient and fast to install adopts the prefabricated reinforced concrete shear wall convenient and fast to install.
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; and 4, inserting the longitudinal bars of the horizontal connecting area from the upper end to complete the steel bar connection.
Steel beam connection sequence of edge member region: 1. the steel beam connecting piece is in place; 2. positioning the steel beam connecting piece by using an anchor bolt; 3, screwing a nut on the anchor bolt to fix the steel beam connecting piece; 4, in-place placing the prefabricated shear wall on the upper layer, wherein an anchor bolt at the bottom of the prefabricated shear wall penetrates through an anchor bolt hole formed in a flange plate at the upper end of the steel beam connecting piece and is fixed by a screw cap; and 5, connecting the longitudinal bars of the rest edge members, arranging the stirrups and pouring the concrete to be connected with the beam with larger width.
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 (10)
1. The utility model provides an install convenient type precast reinforced concrete shear force wall which characterized in that: the concrete wall comprises a concrete wall body (1), wherein edge members (2) are arranged on the side surface of the concrete wall body (1), and vertical protruding longitudinal ribs (4) are arranged at the upper end and the lower end of the concrete wall body (1); one end of the edge member (2) is provided with a steel beam connecting piece (5); the steel beam connecting piece (5) comprises two flange plates (501) which are distributed in an up-down parallel mode, and a group of vertically distributed webs (502) are arranged between the two flange plates (501).
2. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 1, wherein: both ends are equipped with crab-bolt (205) about marginal component (2), and crab-bolt (205) link to each other with girder steel connecting piece (5).
3. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 2, 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).
4. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 1, wherein: and edge members (2) are arranged on two sides of the concrete wall body (1).
5. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 1, wherein the edge members (2) are in a straight line shape, L shape, T shape or end column structure.
6. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 1, wherein: the flange plate (501) is provided with studs or shear keys.
7. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 3, 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).
8. The prefabricated reinforced concrete shear wall convenient to install and fast to use of claim 7, 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); the anchor bolts (205) are positioned at the upper end and the lower end of the concrete hidden column (201).
9. The prefabricated reinforced concrete shear wall convenient to install and fast to use as claimed in claim 1, wherein: the flange plate (501) is provided with an anchor bolt hole (503); the web plate (502) is provided with stirrup through holes (504) and concrete pouring holes (505).
10. A construction method for conveniently installing a prefabricated reinforced concrete shear wall is characterized in that before concrete of a lower floor slab is poured, the prefabricated reinforced concrete shear wall which is needed by the wall body and is convenient to install is hoisted in place, and the connection between the wall body of the lower floor slab and the wall body of the upper floor slab is completed through a hidden beam between the lower floor slab and the wall body of the upper floor slab;
the construction pouring of the wall body of the layer comprises the following specific steps:
step one, forming a horizontal connecting area between two conveniently-installed prefabricated reinforced concrete shear walls on the layer, binding stirrups and longitudinal bars in the horizontal connecting area, arranging supporting pieces and steel beam connecting pieces on the corresponding conveniently-installed prefabricated reinforced concrete shear walls, and fixing the steel beam connecting pieces on anchor bolts by nuts;
secondly, respectively hoisting the two convenient and fast-to-mount prefabricated reinforced concrete shear walls on the upper layer to corresponding positions above the convenient and fast-to-mount prefabricated reinforced concrete shear wall on the upper layer, matching the two convenient and fast-to-mount prefabricated reinforced concrete shear walls with the steel beam connecting pieces on the upper layer, and fixing the steel beam connecting pieces with the convenient and fast-to-mount prefabricated reinforced concrete shear walls by adopting nuts; a vertical connection area is formed between the convenient prefabricated reinforced concrete shear wall on the upper layer and the convenient prefabricated reinforced concrete shear wall on the current layer;
thirdly, arranging hidden beam steel bars and hidden beam stirrups in the vertical connecting area;
fourthly, connecting upper and lower adjacent embedded column longitudinal bars by adopting longitudinal bar connectors in an edge member connecting area formed in a steel beam connecting piece area, and inserting stirrups in the stirrup perforation;
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, building 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 convenient to install adopts the prefabricated reinforced concrete shear wall convenient to install according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010401214.5A CN111424849A (en) | 2020-05-13 | 2020-05-13 | Prefabricated reinforced concrete shear wall convenient to install and construction method |
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| CN202010401214.5A CN111424849A (en) | 2020-05-13 | 2020-05-13 | Prefabricated reinforced concrete shear wall convenient to install and construction method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962687A (en) * | 2020-08-17 | 2020-11-20 | 国为(南京)软件科技有限公司 | Wall connection steel construction |
| CN112376755A (en) * | 2020-11-04 | 2021-02-19 | 三一筑工科技有限公司 | Connecting structure of prefabricated wall and beam and construction method |
| 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 |
| CN112878535A (en) * | 2021-01-19 | 2021-06-01 | 中国十七冶集团有限公司 | Precast concrete wallboard connecting structure and construction method thereof |
| 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 |
| CN114856034A (en) * | 2022-03-17 | 2022-08-05 | 中国建筑第二工程局有限公司 | Prefabricated shear wall and construction method adopting same |
| WO2023088190A1 (en) * | 2021-11-16 | 2023-05-25 | 初明进 | Prefabricated concrete member, prefabricated concrete assembly, and assembly method therefor |
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2020
- 2020-05-13 CN CN202010401214.5A patent/CN111424849A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962687A (en) * | 2020-08-17 | 2020-11-20 | 国为(南京)软件科技有限公司 | Wall connection steel construction |
| CN112376755A (en) * | 2020-11-04 | 2021-02-19 | 三一筑工科技有限公司 | Connecting structure of prefabricated wall and beam and construction method |
| 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 |
| CN112878535A (en) * | 2021-01-19 | 2021-06-01 | 中国十七冶集团有限公司 | Precast concrete wallboard connecting structure and construction method thereof |
| CN112878535B (en) * | 2021-01-19 | 2022-03-08 | 中国十七冶集团有限公司 | Precast concrete wallboard connecting structure and construction method thereof |
| 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 |
| WO2023088190A1 (en) * | 2021-11-16 | 2023-05-25 | 初明进 | Prefabricated concrete member, prefabricated concrete assembly, and assembly method therefor |
| CN114856034A (en) * | 2022-03-17 | 2022-08-05 | 中国建筑第二工程局有限公司 | Prefabricated shear wall and construction method adopting same |
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