CN211735736U

CN211735736U - Orthogonal laminated wood shear wall energy dissipation shear connector

Info

Publication number: CN211735736U
Application number: CN201922402157.8U
Authority: CN
Inventors: 熊海贝; 陈佳炜; 古田智基
Original assignee: West Japan University Of Technology; Tongji University
Current assignee: West Japan University Of Technology; Tongji University
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-23
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to an quadrature veneer wood shear force wall power consumption shear connector, including the wall connection board, the rigidity base plate, base and damping power consumption module, base and rigidity base plate are buckled by same piece rigidity board and are formed, and the department of buckling is equipped with a plurality of protruding nodes that are used for increasing cross-section inertia moment, the base is fixed in on the floor board, the wall connection board is fixed to on the quadrature veneer wood shear force wall, damping power consumption module includes inside damping power consumption layer and covers the damping protective layer outward, rigidity base plate and wall connection board overlap and set up and reserve between each other and have the plug-in seam that is used for inserting inside damping power consumption layer, the both ends of rigidity base plate and wall connection board are passed through power consumption bridging portion and are connected, inside damping power consumption layer inserts back in the plug-in seam, together with rigidity base plate and wall connection. Compared with the prior art, the utility model has the advantages of good power consumption ability and multistage power consumption guarantee.

Description

Orthogonal laminated wood shear wall energy dissipation shear connector

Technical Field

The utility model relates to an engineering structure damping device especially relates to an quadrature veneer timber shear force wall power consumption shear connector.

Background

As an unpredictable and extremely destructive natural disaster, the earthquake disaster causes serious casualties and economic losses. China is one of the countries with the strongest earthquake activities and the most serious earthquake disasters in the world, and the research and the development of a reasonable and effective earthquake-resistant disaster-reducing method have great significance.

Compared with other traditional building materials, the wood has the advantages of resource regeneration, environmental protection and the like. The orthogonal laminated wood is a novel engineering wood product, is formed by laminating and orthogonally assembling at least three layers of plates through a structural adhesive, has the advantages of good bidirectional mechanical property, high strength in a plane and out of the plane and the like, and can be applied to assembled components such as wallboards, floor slabs and the like.

For orthogonal laminated wood structures, the connections are critical to their shock resistance. Under the action of an earthquake, most of the traditional orthogonal laminated wood structures are in an elastic state and are not damaged, but the traditional orthogonal laminated wood structures have larger load and deformation at connecting nodes, particularly shear connector nodes, and the traditional shear connectors are poor in energy consumption performance, so that the phenomena of damage such as connector fracture, nail extraction, wood tearing and the like often occur, the advantages of the orthogonal laminated wood shear walls are difficult to fully exert, and the repair after the earthquake is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an orthogonal laminated wood shear wall power consumption shear connector in order to overcome the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

an orthogonal laminated wood shear wall energy dissipation shear connector comprises a wall connecting plate, a rigid base plate, a base and a damping energy dissipation module, wherein the base and the rigid base plate are formed by bending the same rigid plate, and the bending part is provided with a plurality of convex nodes for increasing the section inertia moment, the base is fixed on the floor panel, the wall connecting plate is fixed on the orthogonal laminated wood shear wall, the damping energy consumption module comprises an internal damping energy consumption layer and an external damping protection layer, the rigid base plate and the wall connecting plate are overlapped and are provided with inserting seams for inserting the internal damping energy consumption layer, the rigid substrate and the wall connecting plate are connected at two ends through energy-consuming bridging parts, and the internal damping energy-consuming layer is inserted into the inserting seam and then coated in the external damping protective layer together with the rigid substrate and the wall connecting plate.

The rigid substrate is rectangular, the bending part and the inserting seam are respectively located on two long edges of the rectangle, and the energy consumption bridging part is located on two wide edges of the rectangle.

The included angle between the rigid substrate and the base is 90 degrees.

The wall body connecting plate is provided with a first mounting hole for mounting a first screw, the rigid substrate is provided with a plurality of first insertion holes, the inner damping energy consumption layer is provided with a second insertion hole, the front surface of the outer damping protective layer is provided with a third insertion hole, the back surface of the outer damping protective layer is provided with a second mounting hole for mounting the first screw, the third insertion hole, the first insertion hole, the second insertion hole, the first mounting hole and the second mounting hole are aligned in position, the first mounting hole and the second mounting hole are identical in aperture and smaller than the third insertion hole, the first insertion hole and the second insertion hole in aperture, and the third insertion hole, the first insertion hole and the second insertion hole are larger than the outer diameter of the maximum axial projection section of the first screw.

And a plurality of third mounting holes for mounting second screws are formed in the base.

And a plurality of fourth mounting holes for mounting bolts are formed in the base.

The wall connecting plate is formed by bending two rigid single plates respectively positioned at two sides of a rigid substrate and then connecting the two rigid single plates through a tongue-and-groove.

The bending parts of the rigid single plate and the rigid substrate of the rigid plate are provided with elliptical holes, wherein the rib parts left after the elliptical holes are formed are bent to form the energy-consuming bridge parts.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the rigid framework formed by the rigid base plate, the wall connecting plate, the energy-consuming bridge parts and the base ensures that the connecting nodes have enough initial rigidity and bearing capacity, meanwhile, seismic energy can be dissipated through shearing deformation of the internal damping energy-consuming layer at first, and can be dissipated through plastic deformation of the energy-consuming bridge parts when the energy is large, so that the connecting piece has good energy-consuming capacity and multi-guarantee reliability, the damping protective layer is coated outside, the stress concentration of the energy-consuming bridge parts can be reduced, and the durability of the energy-consuming shear-resistant connecting piece can be effectively improved.

2) The third mounting hole and the fourth mounting hole arranged on the base enable the energy-consuming shear connector to be conveniently connected with an orthogonal glued wood floor or/and a concrete floor and a foundation.

3) Through reasonable design, the main dissipation of seismic energy in the energy-consuming shear connector can be realized, the unfavorable phenomena of connector fracture, nail extraction, wood tearing and the like are avoided, the structural damage is effectively controlled, the advantages of the orthogonal laminated wood shear wall are fully exerted, and the seismic performance of the orthogonal laminated wood structure is effectively improved.

4) The method is easy to construct, can effectively reduce the construction strength and improve the construction efficiency, accords with the development trend of building industrialization, and has wide prospect in practical engineering application.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a schematic space view of the installation environment of the present invention;

FIG. 3 is a schematic front view of the assembled structure of the present invention, wherein (a) is a complete front view and (b) is a front view after removing the surface covering with the damping protection layer;

FIG. 4 is a schematic view of the assembled back of the present invention, wherein (a) is a complete back view and (b) is a schematic view of the back after removing the surface covering with the damping protection layer;

fig. 5 is an expanded schematic view of the wall connecting plate, the rigid substrate, the energy-consuming bridge portion and the base of the present invention.

Wherein: 1. the energy-consumption wall comprises a wall connecting plate, 2, a rigid base plate, 3, an energy-consumption bridge part, 4, a high-damping material, 5, a base, 6, a convex node, 100, an orthogonal laminated wood shear wall, 101, an orthogonal laminated wood floor slab, 1A, a rigid single plate, 1B, a convex rabbet, 1C, a concave rabbet, 1D, a first mounting hole, 2A, a first inserting hole, 4A, an internal damping energy-consumption layer, 4B, an external damping protective layer, 5A, a third mounting hole, 5B and a fourth mounting hole.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

An orthogonal laminated wood shear wall energy dissipation shear connector is shown in figures 1-4 and comprises a wall connecting plate 1, a rigid base plate 2, a base 5 and a damping energy dissipation module 4, wherein the base 5 and the rigid base plate 2 are formed by bending the same rigid plate, a plurality of convex nodes 6 for increasing section inertia moment are arranged at the bending position, the base 5 is fixed on a floor panel, the wall connecting plate 1 is fixed on an orthogonal laminated wood shear wall 100, the damping energy dissipation module 4 comprises an internal damping energy dissipation layer 4A and an external damping protection layer 4B, the rigid base plate 2 and the wall connecting plate 1 are overlapped and are retained with an insertion seam for inserting the internal damping energy dissipation layer 4A, two ends of the rigid base plate 2 and the wall connecting plate 1 are connected through an energy dissipation bridge part 3, after the internal damping energy dissipation layer 4A is inserted into the insertion seam, the rigid base plate 2 and the wall connecting plate 1 are coated in the external damping protection layer 4B, the floor slab can be an orthogonal glued wood floor slab 101 or a concrete floor slab, the rigid base plate 2 is rectangular, the bending part and the insertion joint are respectively positioned at two long edges of the rectangle, the energy consumption bridging parts 3 are arranged at two wide edges of the rectangle, and an included angle between the rigid base plate 2 and the base 5 is 90 degrees.

The wall connecting plate 1 is provided with a first mounting hole 1D for mounting a first screw, the rigid substrate 2 is provided with a plurality of first insertion holes 2A, the internal damping energy consumption layer 4A is provided with a second insertion hole, the front surface of the external damping protection layer 4B is provided with a third insertion hole, the back surface of the external damping protection layer is provided with a second mounting hole for mounting the first screw, the third insertion hole, the first insertion hole 2A, the second insertion hole, the first mounting hole 1D and the second mounting hole are aligned in position, the first mounting hole 1D and the second mounting hole are the same in diameter and smaller than the third insertion hole, the first insertion hole 2A and the second insertion hole, and the third insertion hole, the first insertion hole 2A and the second insertion hole are larger than the outer diameter of the maximum axial projection section of the first screw.

The base 5 is provided with a plurality of third mounting holes 5A for mounting second screws for connecting the orthogonal laminated wood floor slab 101, and the base 5 is provided with a plurality of fourth mounting holes 5B for mounting bolts for connecting a concrete floor slab or a foundation.

As shown in fig. 5, the wall connecting plate 1 is formed by bending two rigid single plates 1A respectively located at two sides of a rigid substrate 2 and then connecting the two rigid single plates through grooves and tongues, specifically, the rigid single plate 1A of the rigid substrate and the bending part of the rigid substrate 2 are connected through concave-convex grooves and

tongues

1B and 1C, an elliptical hole is formed in the bending part of the rigid single plate 1A of the rigid substrate, an energy consumption bridge part 3 is formed after the remaining rib part of the rigid single plate is bent after the elliptical hole is formed, and the formed energy consumption bridge part 3.

The rigid plate is made of steel or a memory alloy material, and the damping energy consumption module 4 adopts vulcanized rubber as a binder, so that the contact parts of the high-damping material, the wall connecting plate 1, the rigid substrate 2 and the energy consumption bridge part 3 are vulcanized and tightly fixed; the high-damping material can be high-damping natural rubber, polyurethane rubber, butyl rubber or mixed rubber and the like. The internal damping energy consumption layer 4A can generate shearing deformation to dissipate a large amount of energy when an earthquake occurs; the external damping protection layer 4B can obviously reduce stress concentration of a bridging part, and meanwhile, the durability of the energy-consuming connecting piece is effectively improved.

Claims

1. The orthogonal laminated wood shear wall energy dissipation shear connector is characterized by comprising a wall connecting plate (1), a rigid base plate (2), a base (5) and a damping energy dissipation module (4), wherein the base (5) and the rigid base plate (2) are formed by bending the same rigid plate, a plurality of protruding nodes (6) used for increasing section inertia moment are arranged at the bending position, the base (5) is fixed on a floor panel, the wall connecting plate (1) is fixed on the orthogonal laminated wood shear wall (100), the damping energy dissipation module (4) comprises an internal damping energy dissipation layer (4A) and an external damping protective layer (4B), the rigid base plate (2) and the wall connecting plate (1) are arranged in an overlapped mode, an insertion seam used for inserting the internal damping energy dissipation layer (4A) is reserved between the rigid base plate (2) and the wall connecting plate (1), two ends of the rigid base plate (2) and the wall connecting plate (1) are connected through an energy dissipation bridging part (3), after the internal damping energy consumption layer (4A) is inserted into the insertion seam, the internal damping energy consumption layer, the rigid base plate (2) and the wall connecting plate (1) are coated in the external damping protective layer (4B).

2. The energy dissipation shear connector for the orthogonal laminated wood shear wall as claimed in claim 1, wherein the rigid base plate (2) is rectangular, the bending part and the slot are respectively located at two long sides of the rectangle, and the energy dissipation bridge part (3) is located at two wide sides of the rectangle.

3. An orthogonal laminated wood shear wall energy dissipation shear connector as claimed in claim 1, wherein the included angle between the rigid base plate (2) and the base (5) is 90 degrees.

4. The energy dissipation shear connector for the orthogonal laminated wood shear wall as claimed in claim 1, wherein the wall connecting plate (1) is provided with a first mounting hole (1D) for mounting a first screw, the rigid base plate (2) is provided with a plurality of first insertion holes (2A), the internal damping energy dissipation layer (4A) is provided with a second insertion hole, the front surface of the external damping protection layer (4B) is provided with a third insertion hole, the back surface of the external damping protection layer is provided with a second mounting hole for mounting the first screw, the third insertion hole, the first insertion hole (2A), the second insertion hole, the first mounting hole (1D) and the second mounting hole are aligned in position, the first mounting hole (1D) and the second mounting hole have the same diameter and are smaller than the diameters of the third insertion hole, the first insertion hole (2A) and the second insertion hole, and the third insertion hole, The first insertion hole (2A) and the second insertion hole have a hole diameter larger than the outer diameter of the maximum projection section in the axial direction of the first screw.

5. An orthogonal laminated wood shear wall energy dissipation shear connector as claimed in claim 1, wherein the base (5) is provided with a plurality of third mounting holes (5A) for mounting second screws.

6. An orthogonal laminated wood shear wall energy dissipation shear connector according to claim 5, wherein the base (5) is provided with a plurality of fourth mounting holes (5B) for mounting bolts.

7. The energy dissipation shear connector for the orthogonal laminated wood shear wall as claimed in claim 1, wherein the wall connecting plate (1) is formed by bending two rigid single plates (1A) respectively positioned at two sides of the rigid base plate (2) and then connecting the two rigid single plates through a tongue and groove.

8. The energy dissipation shear connector for the orthogonal laminated wood shear wall as claimed in claim 7, wherein the bending part of the rigid single plate (1A) and the rigid base plate (2) of the rigid plate is provided with an elliptical hole, and the rib part left after the elliptical hole is formed is bent to form the energy dissipation bridge part (3).