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CLT board and connecting device

A connecting device and core board technology, which is applied in the jointing of wooden veneers, wood processing equipment, layered products, etc., can solve the problem of comprehensive utilization of compressive strength and shear strength, and improve the application scenarios and parallelism of CLT boards Crossover and other issues

Pending Publication Date: 2019-05-24
SOUTHWEST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a CLT board, which can solve the problem that the CLT board in the prior art cannot effectively utilize both compressive strength and shear strength to improve the application scene of the CLT board
[0007] The present invention also provides a connection device for connecting CLT boards, which can solve the problems of low connection strength and cross-parallelism of the connection device in the prior art

Method used

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  • CLT board and connecting device
  • CLT board and connecting device
  • CLT board and connecting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, a CLT board 00 provided by an embodiment of the present invention includes:

[0036] longitudinal laminates 31;

[0037] Transverse laminate 30; wherein, the longitudinal laminate 31 and the transverse laminate 30 all adopt common thick plates in the prior art, and the intersecting arrangement of the longitudinal laminate 31 and the transverse laminate 30 can make the CLT board 00 in terms of tensile strength and shear resistance In terms of strength, better performance can be guaranteed. In this embodiment, a support plate is also provided between the longitudinal laminate 31 and the transverse laminate 30, and the support plate includes a hard frame 20 and a reinforcing plate 21, from figure 1 It can be seen from the figure that the rigid frame 20 is arranged on the peripheral side of the reinforcing plate 21 . The shape of the hard frame 20 should be compatible with the edge shape of the CLT board 00 .

[0038] Among them, the hard fram...

Embodiment 2

[0041] The traditional CLT board 00 is too heavy, and the sound insulation and thermal insulation performance is poor. Therefore, in this example, if figure 2As shown, it also includes a balsa core board 40, the balsa core board 40 has three layers, and a support plate is arranged between two adjacent layers of the balsa core board 40, and between the balsa core board 40 and the longitudinal laminate 31 and A supporting board is provided between the balsa core board 40 and the transverse layer board 30 . Balsa wood is a tree species with the smallest density in the world (0.137g / cm3, only about 1 / 4 of the density of commonly used tree species in construction), and it grows extremely fast, but it cannot be directly applied to wood structure buildings due to its low strength. However, its light and porous nature makes it very suitable for use as a sound insulation and insulation material. Therefore, if balsa wood is used as the CLT core board, the excellent mechanical propert...

Embodiment 3

[0043] A connecting device for connecting CLT board 00 such as Figure 3 to Figure 8 As shown, it includes a connector 11 and a fastener 12, the connector 11 includes a baffle 111 and a connecting plate 112, the connecting plate 112 is vertically arranged on the baffle 111, the fastener 12 and the baffle 111 are located on both sides of the CLT board 00, The fastener 12 is used for connecting the locking connecting plate 112 . A locking slot 1121 is defined on the connecting plate 112 , and the fastener 12 passes through the locking slot 1121 to lock the connecting plate 112 . When the fastener 12 passes through the locking groove 1121, the bottom surface of the fastener 12 is in close contact with the surface of the CLT board 00, and the baffle 111 is in close contact with the surface of the CLT board 00 on the other side. Clamping" can ensure better parallelism when the CLT board 00 is connected, so that the same side of the two connected CLT boards 00 are on the same surfa...

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Abstract

The invention discloses a CLT board and a connecting device, and belongs to the field of building materials. The CLT board comprises a longitudinal layer plate, a transverse layer plate and a supportplate located between the longitudinal layer plate and the transverse layer plate, wherein the support plate comprises a rigid frame and a reinforcing plate; and the rigid frame is arranged on the circumferential side of the reinforcing plate. The connecting device comprises a connecting member and a fastening member; the connecting member comprises a baffle plate and a connecting plate; the connecting plate is vertically arranged on the baffle plate; the fastening member and the baffle plate are located on the two sides of a CLT board; and the fastening member is used for connecting and fastening the connecting plate. According to the CLT board, through the rigid frame of the support plate, the compressive strength of the edge of the CLT board can be improved, and the problem of liable deformation failure due to compression of the edge of the CLT board and other external loads is solved. The invention further provides the connecting device for connecting the CLT board. The connectingplate penetrates through a gap between two CLT boards, the parallelism of the two CLT boards can be ensured through the flatness of the baffle plate, the connecting member is locked through the fastening member, simpleness and convenience are achieved, and the construction period is short.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a CLT board and a connecting device. Background technique [0002] Orthogonal laminated timber (CLT, also known as "cross-laminated timber") is usually a group of boards with a certain thickness that are glued together or nailed / tenon-jointed perpendicularly to each other in the wood grain direction of adjacent layers. As for the board, its surface board and inner board are symmetrically arranged on both sides of the central layer or board core. The end length of each layer of boards is mostly joined by finger joints or nails, the widening of side panels is mainly done by glue joints or nail joints, and the layers are mostly joined by glue joints. [0003] CLT can be widely used in walls, floors and roofs of civil buildings and commercial high-rise buildings, and plays a dual role of building enclosure and load-bearing in buildings. Buildings using CLT boards have the advantag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/04B27D1/08B32B7/12B32B21/04
Inventor 董春雷杜官本雷洪
Owner SOUTHWEST FORESTRY UNIVERSITY