CN113136989A - Assembled shear force wall tooth's socket type connection structure - Google Patents
Assembled shear force wall tooth's socket type connection structure Download PDFInfo
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- CN113136989A CN113136989A CN202110428775.9A CN202110428775A CN113136989A CN 113136989 A CN113136989 A CN 113136989A CN 202110428775 A CN202110428775 A CN 202110428775A CN 113136989 A CN113136989 A CN 113136989A
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- 210000001503 joint Anatomy 0.000 claims description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 239000004568 cement Substances 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 5
- 210000003781 tooth socket Anatomy 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 20
- 238000009435 building construction Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
Abstract
The invention relates to the technical field of building construction, in particular to an assembled shear wall tooth groove type connecting structure which comprises a shear wall body, first bulges and second bulges, wherein the first bulges are arranged at the top of the shear wall body at intervals; a first notch corresponding to the second bulge and used for accommodating the upper-layer shear wall body is formed between every two adjacent first bulges, and the first notch is provided with a first sleeve mounting hole extending into the shear wall body; a second notch corresponding to the first protrusion and used for containing the lower-layer shear wall body is formed between every two adjacent second protrusions, and a second sleeve mounting hole extending into the shear wall body is formed in each second notch. According to the shear wall, the first bulge and the first notch are connected in a matched mode, and the second bulge and the second notch are connected in a matched mode, so that the upper and lower installation and positioning of the shear wall are convenient, the installation efficiency is high, and the installation effect is good.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a tooth-shaped groove type connecting structure of an assembled shear wall.
Background
Shear walls are also known as wind resistant walls, seismic walls or structural walls. The wall body mainly bears horizontal load and vertical load caused by wind load or earthquake action in the house or the structure, and the structure is prevented from being sheared and damaged. The assembled shear wall is widely applied due to the advantages of high mechanization degree, reliable quality, convenient construction, energy conservation, environmental protection and the like. However, the existing fabricated shear wall has the following defects in the installation process:
1. the upper shear wall and the lower shear wall are difficult to position, so that the reinforcing steel bars pre-embedded in the upper wall body are difficult to insert into the grouting sleeves pre-embedded in the lower wall body, and the mounting efficiency of the upper shear wall and the lower shear wall is low.
2. The connecting nodes of the upper shear wall and the lower shear wall are positioned on the same horizontal line, so that the assembled shear wall is poor in anti-seismic effect.
3. The left shear wall and the right shear wall are low in installation efficiency and poor in connection effect. The existing installation process of the left and right shear walls is roughly as follows, firstly, the left shear wall is hoisted to a required position (the right side of the left shear wall is provided with a first connecting reinforcing steel bar extending to the outside of the right side of the left shear wall), then, the right shear wall is hoisted to the required position (the left side of the right shear wall is provided with a second connecting reinforcing steel bar extending to the outside of the left side of the right shear wall, the distance between the left and right shear walls is smaller than the sum of the first connecting reinforcing steel bar and the second connecting reinforcing steel bar, so that the first connecting reinforcing steel bar and the second connecting reinforcing steel bar are partially overlapped in the horizontal direction), then, a template is externally installed between the left and right shear walls so as to inject cement paste into a space between the left and right shear walls, and finally, after the cement paste is solidified, the template is removed so as to complete the connection and installation of the left shear wall. However, in actual installation, in the process of lowering the right shear wall, the second connecting steel bar is probably blocked by the first connecting steel bar of the left shear wall, so that the right shear wall cannot be effectively lowered, and constructors need to bend and treat/remove the corresponding connecting steel bar to normally lower the right shear wall, thereby lowering the installation efficiency of the left and right shear walls.
Or after the left shear wall and the right shear wall are hoisted, the distance between the right shear wall and the left shear wall is larger than the sum of the first connecting reinforcing steel bar and the second connecting reinforcing steel bar, so that the first connecting reinforcing steel bar and the second connecting reinforcing steel bar are not overlapped in the horizontal direction, and the installation efficiency of the left shear wall and the right shear wall is not influenced, but the connection effect of the left shear wall and the right shear wall is poor.
The application number of CN202010035799.3 discloses an assembly type building prefabricated shear wall, which comprises a wall body, reinforcing mesh and embedded parts, wherein 2 layers of reinforcing mesh are arranged in the wall body, and the embedded parts are embedded in the left side surface or the right side surface of the wall body and are positioned in the middle of the 2 layers of reinforcing mesh; the embedded part comprises a straight groove and a plurality of branch grooves, the branch grooves on the straight groove are in the same direction, and the front ends of the branch grooves are level to the side surface of the wall body; the driving rod is movably arranged in the straight groove, and the inclined plane at the front end of the driving rod faces the branch groove; the supporting groove is internally provided with a connecting rod in a sliding way. The shear wall does not need to consider the interference of horizontal ribs during installation, the driving rod is inserted into the straight groove after the shear wall is placed, the connecting rod is moved leftwards through the driving rod under the action of the driving rod to protrude out of the shear wall, the structure can accelerate the installation speed of the left shear wall and the right shear wall to a certain extent, but the effect is not obvious, and therefore the left and right connecting structure of the existing shear wall needs to be further improved. In addition, no solution is provided for how to improve the installation efficiency of the upper shear wall and the lower shear wall and how to improve the anti-seismic effect of the shear walls.
The application No. CN202020316896.5 discloses a vertical type fast assembly type shear wall, the bottom of the upper shear wall is connected with the top of the lower shear wall in a compression joint manner, the inner cavity of the upper shear wall is provided with a first chute, the inner surface of the first chute is connected with a first sliding plate in a sliding manner, the bottom of the first sliding plate is fixedly connected with a sliding rod, the position of a J-shaped rod is fixed by a pressing rod and a fixing rod, and then the pressing rod and the fixing rod cooperate with a positioning rod to fix the position of a positioning column, so that the relative position of a second sliding plate and the lower shear wall is fixed, the first chute is convenient for the sliding of the first sliding plate, so that the sliding rod and the second sliding plate can slide conveniently, when the position of the second sliding plate is fixed, the positions of the first sliding plate and the upper shear wall are stable, and then cooperate with the sliding rod to fix the relative positions of the upper shear wall and the lower shear wall, the shear wall structure can solve the positioning problem, but has a complex integral structure, the operation is inconvenient, and the installation efficiency of the upper and lower shear walls cannot be effectively improved. In addition, no solution is provided for how to improve the installation efficiency of the left and right shear walls and how to improve the anti-seismic effect of the shear walls.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the assembled shear wall tooth groove type connecting structure which can improve the installation efficiency of the upper shear wall, the lower shear wall, the left shear wall and the right shear wall and improve the anti-seismic effect of the shear walls.
The technical scheme adopted by the invention for solving the technical problems is as follows: an assembled shear wall tooth groove type connecting structure comprises a shear wall body, first bulges and second bulges, wherein the first bulges are arranged at the top of the shear wall body at intervals;
a first notch corresponding to the second bulge and used for accommodating the upper-layer shear wall body is formed between every two adjacent first bulges, and the first notch is provided with a first sleeve mounting hole extending into the shear wall body;
a second notch corresponding to the first protrusion and used for accommodating the lower-layer shear wall body is formed between every two adjacent second protrusions, and the second notch is provided with a second sleeve mounting hole extending into the shear wall body;
the first sleeve mounting hole and the second sleeve mounting hole are internally provided with connecting sleeves; the first bulge is also provided with a first connecting reinforcing steel bar which extends to the outside of the shear wall body and is butted with the connecting sleeve in the corresponding second sleeve mounting hole of the upper shear wall body; the second bulges are also provided with second connecting reinforcing steel bars which extend to the outside of the shear wall body and are butted with the connecting sleeves in the corresponding first sleeve mounting holes of the lower shear wall body.
When the upper shear wall and the lower shear wall are installed, the second bulge of the upper shear wall is inserted into the first notch of the lower shear wall in an aligning mode, and the operation is very simple and convenient. After the splicing is finished, the first connecting reinforcing steel bars of the lower shear wall just enter the second sleeve mounting holes of the upper shear wall, the second connecting reinforcing steel bars of the upper shear wall just enter the first sleeve mounting holes of the lower shear wall, and the positioning precision is high. In addition, the shear wall of the structure enables the connection nodes of the upper shear wall and the lower shear wall not to be located on the same horizontal line (realized by two rows of connection sleeves staggered up and down), so that the anti-seismic effect of the assembled shear wall is effectively improved.
Preferably, the shear wall further comprises positioning installation grooves symmetrically arranged on the side edges of the shear wall body, and horizontal connecting pieces used for connecting two horizontally adjacent shear wall bodies are arranged in the positioning installation grooves; the horizontal connecting piece comprises
The positioning support block is rectangular and is used for being matched and connected with the positioning installation groove;
the bottom of the positioning installation groove is provided with an insertion hole allowing the free end of the third connecting steel bar to be inserted into the shear wall body;
the first butt plate is connected with a second side face of the positioning support block, the second side face is a face opposite to the first side face, and the arrangement direction of the first butt plate is parallel to one edge direction of the second side face of the positioning support block and does not coincide with the center line of the second side face;
the second butt joint plate is connected with the second side face of the positioning support block, and the arrangement direction of the second butt joint plate is parallel to the arrangement direction of the first butt joint plate and is asymmetrically arranged with the first butt joint plate.
Preferably, the first butt plate is disposed at one edge of a second side of the positioning support block, and a distance between the second butt plate and the first butt plate is three-quarters of a distance between the first butt plate and another opposite edge of the second side.
Preferably, the first butt plate and the second butt plate have friction increasing grooves formed in plate surfaces thereof.
Preferably, the first butt plate is provided with a first connecting hole, the second butt plate is provided with a second connecting hole, and the first connecting hole and the second connecting hole are connected through a screw and a nut.
Preferably, the connecting sleeve comprises
A sleeve body;
the cement paste inlet is arranged on the outer wall of the sleeve body and is close to the first axial end of the sleeve body, and the cement paste inlet is communicated with the interior of the sleeve body;
the cement paste outlet is arranged on the outer wall of the sleeve body and close to the second axial end of the sleeve body, and the cement paste outlet is communicated with the interior of the sleeve body;
the outer wall of the steel bar limiting pipe is connected with the inner wall of the sleeve body and is close to the first axial end of the sleeve body, and the inner wall of the steel bar limiting pipe is used for being embedded in the axial end inside the shear wall body in a sleeved mode through the first connecting steel bars or the second connecting steel bars.
Preferably, the shear wall body is internally provided with a positioning reinforcing piece, and the positioning reinforcing piece comprises
The main supporting plate faces the top of the shear wall body, and a first positioning hole allowing the first connecting steel bar and the second connecting steel bar to penetrate through is formed in the surface of the main supporting plate;
and the secondary support plate faces the side edge of the shear wall body and is vertically connected with the axial end of the main support plate, and the surface of the secondary support plate is provided with a second positioning hole allowing the third connecting steel bar to pass through.
Preferably, two secondary support plates are arranged at each axial end of the main support plate; the positioning reinforcement further comprises
The reinforcing plate is arranged at the axial end of the main support plate and is vertically connected with the main support plate and the secondary support plate.
Preferably, the interior of the shear wall body is also provided with a vertical reinforcing piece, comprising
The supporting bars are vertically arranged;
the supporting bar axial interval sets up the vertical avris of supporting bar, the supporting body be equipped with the centre gripping mouth that the cooperation of main tributary fagging is connected.
Preferably, the clamping body is arranged at the inlet of the clamping opening in a rounded manner.
Advantageous effects
According to the shear wall, the first bulge and the first notch are connected in a matched mode, and the second bulge and the second notch are connected in a matched mode, so that the upper and lower installation and positioning of the shear wall are convenient, the installation efficiency is high, and the installation effect is good; according to the shear wall with the structure, the connecting nodes of the upper shear wall and the lower shear wall are not positioned on the same horizontal line through the two rows of connecting sleeves which are staggered up and down, so that the anti-seismic effect of the assembled shear wall is effectively improved; the horizontal connecting piece with the structure is used for connecting the left shear wall and the right shear wall, so that the two shear walls are not influenced by each other during hoisting, the installation efficiency of the left shear wall and the right shear wall is improved, and the two connecting pieces are provided with overlapped parts in the left and right directions, so that the left shear wall and the right shear wall are high in connection strength and good in connection effect after being installed.
Drawings
FIG. 1 is a schematic structural view of a fabricated shear wall tooth-groove type connection structure according to the present invention;
FIG. 2 is a schematic view of the fabricated shear wall spline connection of FIG. 1 from another perspective;
FIG. 3 is a schematic structural diagram of a first embodiment of a horizontal connecting member according to the present invention;
FIG. 4 is a schematic view of the horizontal connecting member shown in FIG. 3 connected to the left side of the shear wall body according to the present invention;
FIG. 5 is a schematic view of the horizontal connecting member shown in FIG. 3 connected to the right side of the shear wall body according to the present invention;
FIG. 6 is a schematic view of the horizontal connectors in FIG. 3;
FIG. 7 is a schematic structural view of a second embodiment of the horizontal connecting member of the present invention;
FIG. 8 is a schematic structural view of a third embodiment of the horizontal connecting member of the present invention;
FIG. 9 is a schematic view of the horizontal connectors in FIG. 8;
FIG. 10 is a schematic structural view of a positioning enhancement of the present invention;
FIG. 11 is a schematic view of the construction of the coupling sleeve of the present invention;
FIG. 12 is a schematic view of the coupling sleeve of FIG. 11 from another perspective;
FIG. 13 is a schematic view of the construction of the vertical reinforcement of the present invention;
fig. 14 is a schematic structural view of the connection between the vertical reinforcing member and the main supporting plate in fig. 13.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and 2, the assembled shear wall tooth groove type connection structure includes a shear wall body 1, first protrusions 1-1 arranged at the top of the shear wall body 1 at intervals, and second protrusions 1-2 arranged at the bottom of the shear wall body 1 at intervals. A first notch corresponding to the second protrusion 1-2 and used for accommodating the upper layer of the shear wall body 1 is formed between every two adjacent first protrusions 1-1, and the first notch is provided with a first sleeve mounting hole 1-4 extending into the shear wall body 1. A second notch corresponding to the first protrusion 1-1 and used for accommodating the lower layer of the shear wall body 1 is formed between every two adjacent second protrusions 1-2, and the second notch is provided with a second sleeve mounting hole 1-5 extending into the shear wall body 1. And connecting sleeves are arranged in the first sleeve mounting hole 1-4 and the second sleeve mounting hole 1-5. The first bulge 1-1 is further provided with first connecting steel bars 1-6 which extend to the outside of the shear wall body 1 and are in butt joint with the connecting sleeves in the corresponding second sleeve mounting holes 1-5 of the shear wall body 1 on the upper layer. The second bulges 1-2 are also provided with second connecting steel bars 1-7 which extend to the outside of the shear wall body 1 and are in butt joint with the connecting sleeves in the corresponding first sleeve mounting holes 1-4 of the shear wall body 1 at the lower layer.
When the upper shear wall and the lower shear wall are installed, the second bulge 1-2 of the upper shear wall is inserted by aligning with the first notch of the lower shear wall, and the operation is very simple and convenient. After the splicing is finished, the first connecting reinforcing steel bars 1-6 of the lower shear wall just enter the second sleeve mounting holes 1-5 of the upper shear wall, and the second connecting reinforcing steel bars 1-7 of the upper shear wall just enter the first sleeve mounting holes 1-4 of the lower shear wall, so that the positioning precision is high. In addition, the shear wall of the structure enables the connection nodes of the upper shear wall and the lower shear wall not to be located on the same horizontal line (realized by two rows of connection sleeves staggered up and down), so that the anti-seismic effect of the assembled shear wall is effectively improved.
As shown in fig. 3 to 6, the shear wall further comprises positioning installation grooves 1-3 symmetrically arranged at the sides of the shear wall body 1, and horizontal connecting pieces for connecting two horizontally adjacent shear wall bodies 1 are arranged in the positioning installation grooves 1-3. The horizontal connecting piece comprises a positioning supporting block 2-1, a third connecting steel bar 2-2, a first butt plate 2-3 and a second butt plate 2-4.
The positioning support block 2-1 is rectangular and is used for being matched and connected with the positioning installation groove 1-3. The third connecting steel bar 2-2 is connected with the first side face of the positioning support block 2-1, and the bottom of the positioning installation groove 1-3 is provided with an insertion hole allowing the free end of the third connecting steel bar 2-2 to be inserted into the shear wall body 1. The first butt plate 2-3 is connected with a second side face of the positioning support block 2-1, the second side face is a face opposite to the first side face, and the arrangement direction of the first butt plate 2-3 is parallel to one edge direction of the second side face of the positioning support block 2-1 and is not overlapped with the center line of the second side face. The second butt plate 2-4 is connected with the second side face of the positioning support block 2-1, and the arrangement direction of the second butt plate 2-4 is parallel to the arrangement direction of the first butt plate 2-3 and is arranged asymmetrically with the first butt plate 2-3.
The positioning installation grooves 1-3 can be arranged on the side of the shear wall body 1 at equal intervals from top to bottom, and the positioning support blocks 2-1 and the positioning installation grooves 1-3 can be square. In the prefabrication process of the shear wall, the horizontal connecting piece and the positioning installation groove 1-3 need to be connected and fixed firstly, after the connection is completed, the third connecting steel bar 2-2 is positioned in the shear wall body 1 to improve the connection strength of the horizontal connecting piece and the positioning installation groove 1-3, and the first butt joint plate 2-3 and the second butt joint plate 2-4 are vertically arranged.
In addition, the installation directions of the horizontal connecting pieces on the sides of the left shear wall and the right shear wall to be butted are just 180 degrees opposite, so that the first butt joint plate 2-3 and the second butt joint plate 2-4 of the horizontal connecting pieces of the second shear wall are staggered with the first butt joint plate 2-3 and the second butt joint plate 2-4 of the horizontal connecting pieces of the first shear wall which are hoisted in the hoisting and lowering process of the second shear wall.
The first butt plate 2-3 is disposed at one edge of a second side of the positioning support block 2-1, and a distance between the second butt plate 2-4 and the first butt plate 2-3 is three-fourths of a distance between the first butt plate 2-3 and the other opposite edge of the second side. The arrangement positions of the first butt joint plate 2-3 and the second butt joint plate 2-4 enable the use effect of the horizontal connecting piece to be the best.
As shown in fig. 7, friction increasing grooves 2-5 are formed on the surfaces of the first butt joint plate 2-3 and the second butt joint plate 2-4, so that the surfaces of the first butt joint plate 2-3 and the second butt joint plate 2-4 have a galling effect, the connection effect between the first butt joint plate and cement paste is better, and the connection structure between the left shear wall and the right shear wall is more stable and reliable.
As shown in fig. 8 and 9, the first connection plate 2-3 is provided with a first connection hole 2-6, the second connection plate 2-4 is provided with a second connection hole 2-7, and the first connection hole 2-6 and the second connection hole 2-7 are connected by a screw 2-8 and a nut 2-9. The first connection hole 2-6 and the second connection hole 2-7 may be waist holes provided in the left-right direction. The two horizontal connecting pieces are connected and fixed through the screws 2-8 and the nuts 2-9, so that the connecting effect of the left shear wall and the right shear wall can be further enhanced. When the left shear wall and the right shear wall are installed, the left shear wall is only required to be hoisted to a required position, then the right shear wall is hoisted to the required position (at the moment, the first connecting holes 2-6 of the two first butt joint plates 2-3 are butted with the second connecting holes 2-7 of the two second butt joint plates 2-4), then the first connecting holes 2-6 and the second connecting holes 2-7 are connected and fixed through the screws 2-8 and the nuts 2-9, and finally grouting operation is carried out through the template, so that the installation method is very simple and convenient.
As shown in fig. 11 and 12, the connecting sleeve comprises a sleeve body 3-1, a cement slurry inlet 3-2, a cement slurry outlet 3-3 and a reinforcing steel bar limiting pipe 3-4. The cement paste inlet 3-2 is formed in the outer wall of the sleeve body 3-1 and is close to the first axial end of the sleeve body 3-1, and the cement paste inlet 3-2 is communicated with the interior of the sleeve body 3-1. The cement paste outlet 3-3 is formed in the outer wall of the sleeve body 3-1 and is close to the second axial end of the sleeve body 3-1, and the cement paste outlet 3-3 is communicated with the interior of the sleeve body 3-1. The outer wall of the steel bar limiting pipe 3-4 is connected with the inner wall of the sleeve body 3-1 and is arranged close to the first axial end of the sleeve body 3-1, and the inner wall of the steel bar limiting pipe 3-4 is used for being sleeved with the axial end of the first connecting steel bar 1-6 or the second connecting steel bar 1-7 embedded in the shear wall body 1.
When the connecting sleeve is installed, the connecting sleeve is only required to be placed into the first sleeve mounting hole 1-4 and the second sleeve mounting hole 1-5, operation is convenient, the first axial end (namely one end provided with the steel bar limiting pipe 3-4) of the sleeve body 3-1 is connected with the bottom of the first sleeve mounting hole 1-4 or the second sleeve mounting hole 1-5, and the steel bar limiting pipe 3-4 is used for being in butt joint with the axial end of the first connecting steel bar 1-6 or the axial end of the second connecting steel bar 1-7 embedded in the shear wall body 1, so that the installing and positioning accuracy of the first connecting steel bar 1-6 and the second connecting steel bar 1-7 is higher.
As shown in FIG. 10, a positioning reinforcing member is further disposed inside the shear wall body 1, and includes a main supporting plate 4-1 and a secondary supporting plate 4-3. The main supporting plate 4-1 is arranged facing the top of the shear wall body 1, and a positioning hole I4-2 allowing the first connecting steel bar 1-6 and the second connecting steel bar 1-7 to pass through is formed in the plate surface. The secondary support plate 4-3 faces the side edge of the shear wall body 1 and is vertically connected with the axial end of the main support plate 4-1, and the plate surface of the secondary support plate 4-3 is provided with a second positioning hole 4-4 allowing the third connecting steel bar 2-2 to pass through.
Firstly, the positioning reinforcing piece is arranged in the shear wall body 1, so that the overall strength of the shear wall can be improved, and the seismic effect of the shear wall is better. Secondly, if the first connecting steel bars 1-6 or the second connecting steel bars 1-7 are limited only by the steel bar limiting pipes 3-4, the first connecting steel bars 1-6 or the second connecting steel bars 1-7 may deflect during pre-embedding, but the first connecting steel bars 1-6 and the second connecting steel bars 1-7 are limited for the second time by the positioning holes one 4-2 on the main supporting plate 4-1, so that the pre-embedding effect of the first connecting steel bars 1-6 and the second connecting steel bars 1-7 is good, and deflection cannot occur. Furthermore, when the shear wall is prefabricated, the positioning support block 2-1 of the horizontal connecting piece is placed in the positioning installation groove 1-3, the third connecting steel bar 2-2 is inserted into the positioning hole two 4-4 of the secondary support plate 4-3 along the same direction, then the first connecting steel bar 1-6 and the second connecting steel bar 1-7 are inserted into the positioning hole one 4-2 of the main support plate 4-1, then the connecting sleeves are placed in the first sleeve installation hole 1-4 and the second sleeve installation hole 1-5, finally the axial positions of the first connecting steel bar 1-6 and the second connecting steel bar 1-7 are slightly adjusted so that the axial ends of the first connecting steel bar 1-6 and the second connecting steel bar 1-7, which are positioned in the shear wall body 1, enter the steel bar limiting pipes 3-4 of the connecting sleeves, the prefabrication process of the shear wall is simpler, more convenient and more efficient.
Each axial end of the main support plate 4-1 is provided with two secondary support plates 4-3, the positioning reinforcing piece also comprises reinforcing plates 4-5 which are arranged at the axial ends of the main support plates 4-1 and are vertically connected with the main support plates 4-1 and the secondary support plates 4-3, and the structural strength of the positioning reinforcing piece is extremely high through the arrangement of the secondary support plates 4-3 and the reinforcing plates 4-5, so that the shear wall is high in structural strength and good in anti-seismic performance.
As shown in fig. 14, vertical reinforcements are further arranged inside the shear wall body 1, and each vertical reinforcement comprises a support strip 5-1 and a clamping body 5-2. The supporting strips 5-1 are vertically arranged. The clamping bodies 5-2 are axially arranged on one vertical side of the supporting bar 5-1 at intervals along the supporting bar 5-1, and the clamping bodies 5-2 are provided with clamping openings matched and connected with the main supporting plate 4-1. When the vertical reinforcing part is installed, only the clamping bodies 5-2 of the supporting bars 5-1 need to be clamped at the edges of the main supporting plates 4-1, and the connection operation is convenient. In addition, the overall strength of the shear wall can be further improved by arranging the vertical reinforcing pieces, and the anti-seismic performance of the shear wall is further improved.
The clamping body 5-2 is arranged at the entrance of the clamping opening in a rounding off manner, so that the main supporting plate 4-1 can be clamped into the clamping opening of the clamping body 5-2 when the vertical reinforcing part is installed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (10)
1. The utility model provides an assembled shear force wall tooth slot type connection structure which characterized in that: the shear wall comprises a shear wall body (1), first bulges (1-1) arranged at the top of the shear wall body (1) at intervals, and second bulges (1-2) arranged at the bottom of the shear wall body (1) at intervals;
a first notch corresponding to the second bulge (1-2) and used for accommodating the upper-layer shear wall body (1) is formed between every two adjacent first bulges (1-1), and the first notch is provided with a first sleeve mounting hole (1-4) extending into the shear wall body (1);
a second notch corresponding to the first protrusion (1-1) and used for accommodating the lower-layer shear wall body (1) is formed between every two adjacent second protrusions (1-2), and the second notch is provided with a second sleeve mounting hole (1-5) extending into the shear wall body (1);
connecting sleeves are arranged in the first sleeve mounting hole (1-4) and the second sleeve mounting hole (1-5); the first bulge (1-1) is also provided with a first connecting steel bar (1-6) which extends to the outside of the shear wall body (1) and is butted with the connecting sleeve in the corresponding second sleeve mounting hole (1-5) of the shear wall body (1) on the upper layer; the second bulges (1-2) are also provided with second connecting steel bars (1-7) which extend to the outside of the shear wall body (1) and are in butt joint with the connecting sleeves in the corresponding first sleeve mounting holes (1-4) of the shear wall body (1) at the lower layer.
2. The fabricated shear wall tooth socket type connection structure of claim 1, wherein: the shear wall is characterized by further comprising positioning installation grooves (1-3) symmetrically arranged at the side edges of the shear wall body (1), wherein horizontal connecting pieces used for connecting two horizontally adjacent shear wall bodies (1) are arranged in the positioning installation grooves (1-3); the horizontal connecting piece comprises
The positioning support block (2-1) is rectangular and is used for being matched and connected with the positioning installation groove (1-3);
the third connecting steel bar (2-2) is connected with the first side face of the positioning support block (2-1), and a plug hole allowing the free end of the third connecting steel bar (2-2) to be inserted into the shear wall body (1) is formed in the bottom of the positioning installation groove (1-3);
the first butt plate (2-3) is connected with a second side face of the positioning support block (2-1), the second side face is a face opposite to the first side face, and the arrangement direction of the first butt plate (2-3) is parallel to one edge direction of the second side face of the positioning support block (2-1) and is not overlapped with the center line of the second side face;
the second butt joint plate (2-4) is connected with the second side face of the positioning support block (2-1), and the arrangement direction of the second butt joint plate (2-4) is parallel to the arrangement direction of the first butt joint plate (2-3) and is asymmetrically arranged with the first butt joint plate (2-3).
3. The fabricated shear wall tooth socket type connection structure of claim 2, wherein: the first butt joint plate (2-3) is arranged at one edge of the second side surface of the positioning support block (2-1), and the distance between the second butt joint plate (2-4) and the first butt joint plate (2-3) is three-quarters of the distance between the first butt joint plate (2-3) and the other opposite edge of the second side surface.
4. The fabricated shear wall tooth socket type connection structure of claim 2, wherein: the plate surfaces of the first butt joint plate (2-3) and the second butt joint plate (2-4) are provided with friction increasing grooves (2-5).
5. The fabricated shear wall tooth socket type connection structure of claim 2, wherein: the first butt joint plate (2-3) is provided with a first connecting hole (2-6), the second butt joint plate (2-4) is provided with a second connecting hole (2-7), and the first connecting hole (2-6) and the second connecting hole (2-7) are connected through a screw rod (2-8) and a screw cap (2-9).
6. The fabricated shear wall tooth socket type connection structure of claim 1, wherein: the connecting sleeve comprises
A sleeve body (3-1);
the cement paste inlet (3-2) is arranged on the outer wall of the sleeve body (3-1) and is close to the first axial end of the sleeve body (3-1), and the cement paste inlet (3-2) is communicated with the interior of the sleeve body (3-1);
the cement paste outlet (3-3) is arranged on the outer wall of the sleeve body (3-1) and close to the second axial end of the sleeve body (3-1), and the cement paste outlet (3-3) is communicated with the interior of the sleeve body (3-1);
the outer wall of the steel bar limiting pipe (3-4) is connected with the inner wall of the sleeve body (3-1) and is close to the first axial end of the sleeve body (3-1), and the inner wall of the steel bar limiting pipe (3-4) is used for being embedded in the axial end of the interior of the shear wall body (1) with the first connecting steel bar (1-6) or the second connecting steel bar (1-7) in a sleeved mode.
7. The fabricated shear wall tooth socket type connection structure of claim 2, wherein: the shear wall body (1) is also internally provided with a positioning reinforcing piece, which comprises
The main supporting plate (4-1) is arranged facing the top of the shear wall body (1), and a first positioning hole (4-2) allowing the first connecting steel bar (1-6) and the second connecting steel bar (1-7) to penetrate through is formed in the surface of the main supporting plate;
and the secondary support plate (4-3) is arranged facing the side edge of the shear wall body (1) and is vertically connected with the axial end of the main support plate (4-1), and the surface of the secondary support plate (4-3) is provided with a second positioning hole (4-4) allowing the third connecting steel bar (2-2) to pass through.
8. The fabricated shear wall spline-type connection structure of claim 7, wherein: each axial end of the main supporting plate (4-1) is provided with two secondary supporting plates (4-3); the positioning reinforcement further comprises
And the reinforcing plates (4-5) are arranged at the axial ends of the main supporting plates (4-1) and are vertically connected with the main supporting plates (4-1) and the secondary supporting plates (4-3).
9. The fabricated shear wall spline-type connection structure of claim 7, wherein: the shear wall body (1) is internally provided with a vertical reinforcing piece, and comprises
The supporting strips (5-1) are vertically arranged;
the clamping body (5-2) is arranged on one vertical side of the supporting bar (5-1) at intervals along the axial direction of the supporting bar (5-1), and the clamping body (5-2) is provided with a clamping opening which is connected with the main supporting plate (4-1) in a matched mode.
10. The fabricated shear wall spline connection structure of claim 9, wherein: the clamping body (5-2) is arranged at the inlet of the clamping opening in a rounded angle.
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| CN202110428775.9A CN113136989A (en) | 2021-04-21 | 2021-04-21 | Assembled shear force wall tooth's socket type connection structure |
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| CN202110428775.9A CN113136989A (en) | 2021-04-21 | 2021-04-21 | Assembled shear force wall tooth's socket type connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387620A (en) * | 2022-08-09 | 2022-11-25 | 中铁建工集团有限公司 | Construction device for prefabricated shear wall and construction method thereof |
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