A laminated slab and shear wall joint reinforcing assembly

Abstract

The utility model discloses a kind of laminated slab and shear wall node reinforcing assembly, specifically related to building structure technical field, including at least two shear walls and a laminated slab, each laminated slab is set between the top end of two shear walls, further include: opposite clamping assembly, set between the top end of shear wall and the end of laminated slab;Supporting assembly, set between the connecting place of shear wall and laminated slab.The utility model uses the plug-in cooperation of wedge-shaped clamping groove and clamping block and bolt one, laminated slab is fixed in the top end of shear wall, realize the opposite locking pressure solid of shear wall and laminated slab end, prevent horizontal misplacement and warping, improve shear capacity and positioning efficiency, using L type clamping plate is respectively buckled with the clamping of shear wall, laminated slab, bolt two connection two sides, form the stable stress system of supporting plate, clamping plate and positioning plate, realize double support and load dispersion, improve node deformation resistance and structural stability.

Description

Technical Field

[0001] This utility model relates to the field of building structure technology, and more specifically, to a composite slab and shear wall joint reinforcement component. Background Technology

[0002] With the rapid development of industrialized construction, prefabricated concrete structures have been widely used in modern construction projects due to their advantages such as fast construction speed, low environmental pollution, and controllable quality. As core components of prefabricated buildings, the construction quality of the connection points between composite slabs and shear walls directly affects the overall integrity, seismic performance, and safety of the entire building structure. In actual construction, composite slabs are typically placed on shear walls, and the connection is formed by post-cast concrete. This process places extremely high demands on the formwork support and reinforcement of the connection area.

[0003] In practical use, simple lap joints or bolts in one direction are used for fastening. The joints lack mutual restraint in the horizontal direction. When subjected to lateral loads, horizontal displacement is likely to occur, resulting in insufficient shear resistance at the connection. Furthermore, there is a lack of a clamping mechanism in the vertical direction to prevent the ends from warping. When the ends of the composite slab are subjected to force, they are prone to lifting or detaching relative to the top of the shear wall, affecting the stability of the connection. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a composite slab and shear wall joint reinforcement component to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A composite slab and shear wall joint reinforcement assembly includes at least two shear walls and a composite slab, each of the composite slabs being disposed between the top ends of the two shear walls, and further includes: A counter-clamping assembly is disposed between the top of the shear wall and the end of the composite slab; A support assembly is disposed between the shear wall and the composite slab.

[0006] As a further description of the above technical solution: the opposing snap-fit ​​assembly includes: Two sets of wedge-shaped slots are provided on the upper surface of the shear wall. The number of each set of wedge-shaped slots is set to multiple, and the two sets of wedge-shaped slots are symmetrically distributed. Two sets of wedge-shaped locking blocks are fixedly connected to both sides of the end of the composite plate, and the number of each set of wedge-shaped locking blocks is set to multiple; A pressure plate is disposed at the top of the shear wall, and the pressure plate is located between two adjacent composite plates; Each of the wedge-shaped slots and each of the wedge-shaped blocks are interlocked and engaged with each other. The pressure plate has multiple through holes extending vertically, and each through hole is fitted with a bolt. The threaded end of each bolt extends to the lower surface of the pressure plate. The upper surface of the shear wall has multiple bolt holes for engaging with the bottom threads of the bolts. The lower surface of the pressure plate is provided with multiple slots, which are symmetrically distributed on both sides of the pressure plate. Each slot corresponds to each wedge-shaped block, and a wedge-shaped block is fixedly connected to the inner wall of each slot. Each of the wedge-shaped locking blocks has a wedge-shaped locking groove on its upper surface, and each wedge-shaped locking groove is used to engage with each of the wedge-shaped locking blocks.

[0007] As a further description of the above technical solution: the supporting component includes: Multiple sets of clips are fixedly connected to both sides of the surface of the shear wall, with each set of clips consisting of two clips. Multiple sets of clips are fixedly connected to both sides of the lower surface of the composite plate, with each set of clips consisting of two clips. Multiple support plates are installed at the connection between the shear wall and the composite slab; Multiple card plates, each card plate being fixedly connected to one side of each support plate, the card plates being arranged in an L-shape; Multiple sets of positioning plates, each set of positioning plates being fixedly connected to the other side of each support plate; The cross-section of each of the first and second buckles is T-shaped; Each of the card plates has two sets of snap-fit ​​slots, and each set of snap-fit ​​slots has two slots. One set of snap-fit ​​slots snaps into one set of buckles, and the other set of snap-fit ​​slots snaps into two sets of buckles. Each group of positioning plates consists of two plates, and each positioning plate is provided with a bolt. One end of the positioning plate is threaded to the surface of the shear wall, and the other end of the positioning plate is threaded to the lower surface of the composite plate. Multiple bolt holes are provided on both sides of the surface of the shear wall and both sides of the surface of the composite plate for the bolts to be threaded.

[0008] The technical effects and advantages of this utility model are as follows: 1. By setting up opposing snap-fit ​​components, compared with the existing technology, the wedge-shaped slot one and the wedge-shaped block one are plugged in, and the wedge-shaped block two on the lower surface of the pressure plate is snapped in with the wedge-shaped slot two on the wedge-shaped block one. With the help of bolt one, the pressure plate is fixed to the top of the shear wall. This can realize the opposing locking and compression of the shear wall and the end of the composite plate, making the connection node less prone to horizontal displacement and warping, and improving the shear resistance and installation positioning efficiency of the node connection. 2. By setting up support components, compared with the existing technology, the L-shaped card plate is used to engage with the first card on the shear wall and the second card on the composite plate respectively. With the second bolt on the positioning plate, the shear wall surface and the lower surface of the composite plate are connected respectively. This can achieve double support and load distribution at the connection, so that the support plate, card plate and positioning plate form a stable force system, which improves the overall deformation resistance and structural stability of the node. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0010] Figure 2 This is a partial schematic diagram of the connection between the shear wall and the composite slab of this utility model.

[0011] Figure 3 This is a partial schematic diagram of the connection between the composite plate and the wedge-shaped block of this utility model.

[0012] Figure 4 This is a partial schematic diagram of the connection between the shear wall and the buckle of this utility model.

[0013] Figure 5 This is a partial schematic diagram of the connection between the pressure plate and the wedge-shaped locking block of this utility model.

[0014] Figure 6 This is a schematic diagram of the shear wall structure of this utility model.

[0015] Figure 7 This is a partial schematic diagram of the connection between the support plate and the clamping plate of this utility model.

[0016] The attached diagram is labeled as follows: 1. Shear wall; 2. Composite slab; 3. Wedge-shaped slot one; 4. Wedge-shaped block one; 5. Wedge-shaped slot two; 6. Pressure plate; 7. Slot; 8. Wedge-shaped block two; 9. Bolt one; 10. Clip one; 11. Support plate; 12. Clip plate; 13. Positioning plate; 14. Bolt two; 15. Clip two. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0018] Example 1: The embodiments disclosed in this application are as follows: Figures 1-7 The composite slab and shear wall joint reinforcement assembly shown includes at least two shear walls 1 and a composite slab 2, with each composite slab 2 disposed between the top ends of the two shear walls 1, and further includes: Opposite snap-fit ​​assembly is disposed between the top of shear wall 1 and the end of composite slab 2; Support components are provided between the shear wall 1 and the composite slab 2; The opposing card connector assembly includes: Two sets of wedge-shaped slots 3 are provided on the upper surface of the shear wall 1. The number of each set of wedge-shaped slots 3 is set to multiple, and the two sets of wedge-shaped slots 3 are symmetrically distributed. Two sets of wedge-shaped clips 4 are fixedly connected to both sides of the end of the composite plate 2, and the number of each set of wedge-shaped clips 4 is set to multiple; Pressure plate 6 is set at the top of shear wall 1, and pressure plate 6 is located between two adjacent composite slabs 2; Each wedge-shaped slot 3 and each wedge-shaped block 4 are interlocked and fitted together. The pressure plate 6 has multiple through holes extending vertically, and each through hole is fitted with a bolt 9. The threaded end of each bolt 9 extends to the lower surface of the pressure plate 6. The upper surface of the shear wall 1 has multiple bolt holes for engaging with the bottom threads of multiple bolts 9. The lower surface of the pressure plate 6 is provided with multiple slots 7, which are symmetrically distributed on both sides of the pressure plate 6. Each slot 7 corresponds to each wedge-shaped block 4, and each slot 7 is fixedly connected to a wedge-shaped block 8 on its inner wall. Each wedge-shaped locking block 4 has a wedge-shaped locking groove 5 on its upper surface, and each wedge-shaped locking groove 5 is used to engage with each wedge-shaped locking block 8.

[0019] The implementation principle of this embodiment is as follows: During installation, the composite plate 2 is first hoisted between the tops of the two shear walls 1, so that the multiple wedge-shaped blocks 4 fixedly connected to both sides of the end of the composite plate 2 are aligned vertically with the two sets of wedge-shaped slots 3 opened on the upper surface of the shear wall 1. The wedge-shaped clamp 4 is fixed to both sides of the end of the composite slab 2 by means of pre-embedded metal parts; specifically, the wedge-shaped clamp 4 is integrally connected with the anchor plate, and multiple anchor bars extending in the horizontal direction are welded on the back of the anchor plate, and the multiple anchor bars are distributed radially; when prefabricating the composite slab 2, the wedge-shaped clamp 4 together with the anchor plate and the anchor bars are placed in the mold at the end of the composite slab 2. After the concrete is poured, the anchor bars are wrapped by the concrete to form a reliable anchoring force. An additional reinforcing steel mesh is provided in the middle of the thickness direction at the end of the composite slab 2, and the end of the anchor bar extends into the area of ​​the reinforcing steel mesh to prevent the thin plate edge from cracking due to stress concentration. Slowly lower the composite plate 2, with each wedge-shaped locking block 4 corresponding to a wedge-shaped locking slot 3, achieving initial horizontal positioning and opposing insertion. At this time, the end of the composite plate 2 is supported on the upper surface of the shear wall 1; Subsequently, the pressure plate 6 is placed on the top of the shear wall 1, and the pressure plate 6 is positioned between two adjacent composite plates 2. The lower surface of the pressure plate 6 is provided with multiple slots 7, and each slot 7 has a wedge-shaped block 8 fixedly connected to its inner wall. Align each slot 7 with the corresponding wedge-shaped card block 4 below, so that the wedge-shaped card block 8 and the wedge-shaped card slot 5 opened on the upper surface of the wedge-shaped card block 4 are vertically opposite each other. Press down the pressure plate 6 so that each wedge-shaped card block 8 is engaged in the corresponding wedge-shaped card slot 5, forming a vertical locking. To accommodate dimensional tolerances during the fabrication of the precast composite slab 2 and installation errors arising from on-site hoisting and positioning, this component incorporates installation gaps at mating joints. Specifically, the width of wedge-shaped groove 3 is greater than the root width of wedge-shaped block 4, forming a first installation gap. This gap, with a horizontal dimension of 1mm to 3mm on one side, is used to absorb fabrication errors along the length of the composite slab 2 and hoisting positioning deviations. The width of wedge-shaped groove 5 is greater than the width of wedge-shaped block 8, forming a second installation gap. This gap, with a horizontal dimension of 0.5mm to 2mm on one side, is used to absorb alignment deviations during the installation of the pressure plate 6. Finally, multiple bolts 9 are passed through the through holes on the upper surface of the pressure plate 6, and the threaded ends of the bolts 9 extend downward to the lower surface of the pressure plate 6 and engage with the bolt holes 1 threaded in the upper surface of the shear wall 1. Tighten all bolts 9 to firmly press the pressure plate 6 against the top of the shear wall 1. At the same time, the ends of the composite plate 2 are further pressed together by the engagement of the wedge-shaped locking block 8 and the wedge-shaped locking groove 5. At this point, the opposing locking assembly is installed, realizing bidirectional locking and vertical pressing between the shear wall 1 and the composite plate 2, preventing horizontal misalignment and warping of the joint.

[0020] Example 2: Based on Example 1, this example discloses a reinforcement component for the joint between a composite slab and a shear wall, referring to... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, the supporting components include: Multiple sets of clips 10 are fixedly connected to both sides of the surface of shear wall 1, with two clips 10 in each set. Multiple sets of clips 15 are fixedly connected to both sides of the lower surface of the composite plate 2, with each set of clips 15 consisting of two clips. Multiple support plates 11 are installed at the connection between the shear wall 1 and the composite slab 2; Multiple clamping plates 12 are fixedly connected to one side of each support plate 11, and the clamping plates 12 are arranged in an L-shape. Multiple sets of positioning plates 13, each set of positioning plates 13 is fixedly connected to the other side of each support plate 11; The cross-section of each buckle 10 and each buckle 2 15 is T-shaped; Each card plate 12 has two sets of card slots, with two card slots in each set. One set of card slots engages with a set of buckles 10, and the other set of card slots engages with a set of buckles 15. There are two positioning plates 13 in each group. Each positioning plate 13 is equipped with a bolt 14. The end of one positioning plate 13 is threaded to the surface of the shear wall 1, and the end of the other positioning plate 13 is threaded to the lower surface of the composite plate 2. Multiple bolt holes 2 for threaded connection of bolt 2 14 are provided on both sides of the surface of the shear wall 1 and both sides of the surface of the composite plate 2. The implementation principle of this embodiment is as follows: After the installation of the opposing snap-fit ​​assembly is completed, multiple support plates 11 are installed at the connection between the shear wall 1 and the composite slab 2. Each support plate 11 has an L-shaped snap-fit ​​plate 12 fixedly connected to one side, and two sets of positioning plates 13 fixedly connected to the other side of the support plate 11. Each set of positioning plates 13 consists of two plates. During installation, the two sets of snap-fit ​​grooves on the card plate 12 are snapped into the first snap-fit ​​10 fixedly connected to both sides of the surface of the shear wall 1 and the second snap-fit ​​15 fixedly connected to both sides of the lower surface of the composite plate 2. The cross-sections of the first snap-fit ​​10 and the second snap-fit ​​15 are both T-shaped, and the groove shape of the snap-fit ​​groove matches the T-shaped cross-section. Push the card plate 12 in from front to back so that the card slots are respectively fitted onto the corresponding T-shaped buckles 10 and 15, so as to achieve the initial mounting and positioning of the support plate 11 at the connection. Both clip 10 and clip 2 15 are fixed to the surface of shear wall 1 and the lower surface of composite slab 2 respectively by pre-embedded metal parts. Specifically, clip 10 and clip 2 15 are T-shaped metal blocks with an anchor base integrally connected to their tails. Multiple L-shaped or U-shaped anchor bars are welded to the back of the anchor base. When prefabricating shear wall 1 and composite slab 2, the anchor bases and anchor bars of clip 10 and clip 2 15 are pre-embedded in concrete, with only the T-shaped heads exposed. Clip 2 15 on the lower surface of composite slab 2 is pre-installed in the corresponding position of the base slab mold during the prefabrication of the base slab. After the concrete is poured, it naturally forms on the lower surface without the need for overhead work. The embedded length of the anchor bar is not less than five times its diameter, and the ends of the anchor bars are equipped with hooks to enhance the pull-out bearing capacity. Subsequently, bolts 14 are inserted into each positioning plate 13. One bolt 14 at the end of one positioning plate 13 is threaded into a bolt hole 2 opened on the surface of the shear wall 1, and the other bolt 14 at the end of the other positioning plate 13 is threaded into a bolt hole 2 opened on the lower surface of the composite plate 2. Tighten all bolts 14 in sequence to secure the positioning plate 13 to the surface of the shear wall 1 and the lower surface of the composite plate 2. At this time, the support plate 11, the clamping plate 12 and the positioning plate 13 form a stable force system. The clamping plate 12 transmits the load to the shear wall 1 and the composite plate 2 through the first clamp 10 and the second clamp 15 respectively. At the same time, the second bolt 14 provides additional tensile and shear constraints. The supporting components and the opposing snap-fit ​​components work together to further disperse the stress at the nodes and improve the overall structure's resistance to deformation and connection stability.

[0021] To prevent localized cracking at the end of the composite slab 2 due to the pre-embedded wedge-shaped clamp 4, the concrete strength grade at the end of the composite slab 2 is one grade higher than that of the main body. Furthermore, a spiral stirrup cage made of 6mm diameter steel bars is installed around the pre-embedded position of the wedge-shaped clamp 4. The height of the spiral stirrup cage is consistent with the thickness of the composite slab 2, which is used to restrain the concrete around the pre-embedded part and disperse stress concentration.

[0022] The working principle of this utility model is as follows: the ends of the shear wall 1 and the composite plate 2 are plugged and locked by the opposing snap-fit ​​components. The support components are used to increase the load distribution path at the connection between the shear wall 1 and the composite plate 2. In combination with bolt 9 and bolt 14, vertical compression and lateral tension are applied respectively to achieve multi-directional limiting and cooperative bearing at the node.

[0023] All contents not described in detail in the specification are prior art known to those skilled in the art, and therefore are not shown in the figures and will not be described here.

[0024] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A composite slab and shear wall joint reinforcement assembly comprising at least two shear walls (1) and one composite slab (2), each of said composite slab (2) being disposed between the top ends of two of said shear walls (1), characterized in that, Also includes: The counter card joint assembly is arranged between the top end of the shear wall (1) and the end of the laminated slab (2); The support assembly is arranged between the connection of the shear wall (1) and the laminated slab (2).

2. The composite slab to shear wall node reinforcement assembly according to claim 1, wherein, The counter card joint assembly comprises: Two groups of wedge-shaped card slots (3) are opened on the upper surface of the shear wall (1), the number of each group of wedge-shaped card slots (3) is multiple, and the two groups of wedge-shaped card slots (3) are symmetrically distributed; Two groups of wedge-shaped clamping blocks (4) are fixedly connected on both sides of the end of the laminated slab (2), the number of each group of wedge-shaped clamping blocks (4) is multiple; The pressing plate (6) is arranged at the top end of the shear wall (1), and the pressing plate (6) is located between two adjacent laminated slabs (2); Wherein, each wedge-shaped card slot (3) and each wedge-shaped clamping block (4) are inserted and matched with each other.

3. The laminated slab to shear wall node reinforcement assembly according to claim 2, wherein, The surface of the pressing plate (6) is provided with a plurality of through holes penetrating up and down, a bolt (9) is arranged in each through hole, the threaded end of each bolt (9) extends to the lower surface of the pressing plate (6), and the upper surface of the shear wall (1) is provided with a plurality of bolt holes (1) for threadedly cooperating with the bottom ends of the plurality of bolts (9).

4. The composite slab to shear wall node reinforcement assembly according to claim 3, wherein, The lower surface of the pressing plate (6) is provided with a plurality of clamping grooves (7), and the plurality of clamping grooves (7) are symmetrically distributed on both sides of the pressing plate (6). Each clamping groove (7) corresponds to each wedge-shaped clamping block (4), and the inner wall of each clamping groove (7) is fixedly connected with a wedge-shaped clamping block (8).

5. The composite slab to shear wall node reinforcement assembly according to claim 4, wherein, The upper surface of each wedge-shaped clamping block (4) is provided with a wedge-shaped clamping groove (5), and each wedge-shaped clamping groove (5) is used for clamping cooperation with each wedge-shaped clamping block (8).

6. The sheeting and shear wall node reinforcement assembly according to claim 1, wherein, The support assembly comprises: A plurality of buckles (10) are fixedly connected on both sides of the surface of the shear wall (1), the number of each group of buckles (10) is two; A plurality of buckles (15) are fixedly connected on both sides of the lower surface of the laminated slab (2), the number of each group of buckles (15) is two; A plurality of supporting plates (11) are arranged at the connection of the shear wall (1) and the laminated slab (2); A plurality of clamping plates (12) are fixedly connected on one side of each supporting plate (11), and the clamping plate (12) is arranged in an L shape; A plurality of positioning plates (13) are fixedly connected on the other side of each supporting plate (11).

7. The composite slab to shear wall node reinforcement assembly according to claim 6, wherein, The cross section of each buckle (10) and each buckle (15) is T-shaped; Two groups of clamping grooves are opened on each clamping plate (12), the number of each group of clamping grooves is two, one group of clamping grooves is clamped with one group of buckles (10), and the other group of clamping grooves is clamped with one group of buckles (15).

8. The sheeting and shear wall node reinforcement assembly according to claim 6, wherein, The number of the positioning plates (13) in each group is two, bolts (14) are arranged on each positioning plate (13), one end of one positioning plate (13) is threadedly connected with the surface of the shear wall (1), and the other end of the other positioning plate (13) is threadedly connected with the lower surface of the laminated slab (2), and a plurality of bolt holes (14) are formed on the two sides of the surface of the shear wall (1) and the two sides of the surface of the laminated slab (2).

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