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Floor slab for wooden structural building and producing method thereof

A technology for floor panels and wood structures, applied in floor panels, buildings, building components, etc., can solve the problems of immature technology, high cost, poor durability, etc., and achieve the effect of reducing thermal conductivity, preventing mildew, and improving horizontal and vertical strength.

Inactive Publication Date: 2007-08-22
INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, some densification products have been put on the market of construction and engineering materials, but only a small amount has been applied, the main reason is that the technology is immature and the cost is high
Another important application technology for fast-growing plantations is wood-plastic composite material, which is obtained by mixing wood fiber and plastic at high temperature and extruding. It is mainly used for exterior wall panels in construction, but generally not as a direct load-bearing material. The disadvantage of the material is that the durability is poor, and the cost is also high

Method used

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  • Floor slab for wooden structural building and producing method thereof

Examples

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Effect test

Embodiment 1

[0034] Use fir or poplar wood as raw material, sawn into sawn timber and dried to a moisture content of 8-10%, and further processed into three specifications of planks and strips (when the length of the wood is insufficient, it can be extended by finger joints):

[0035] Board 1: 50mm(width)×25mm(height)×1200mm(length)

[0036] Narrow wooden strip 2: 25mm (width) × 25mm (height) × 400mm (length)

[0037] Wide wooden strip 3: 50mm (width) × 25mm (height) × 400mm (length)

[0038] Utilize described plank and wood strip to be processed into and be used for wooden structure building floor board in the following manner:

[0039] As shown in Figure 1, apply two-component API glue on the side of the board 1, and the amount of glue on one side is about 240-260g / m 2 , using the lateral pressure of 1.5-2MPa when cold-pressing by the jigsaw machine, and the cold-pressing time is 50-60 minutes, to obtain the upper laminate and the lower laminate respectively;

[0040] After applying t...

Embodiment 2

[0045] Use fir or poplar wood as raw material, sawn into sawn timber and dried to a moisture content of 8-10%, and further processed into three specifications of planks and strips (when the length of the wood is insufficient, it can be extended by finger joints):

[0046] Board 1: 100mm (width) × 10mm (height) × 1200mm (length)

[0047] Narrow wooden strip 2: 10mm (width) × 10mm (height) × 800mm (length)

[0048] Utilize plank 1 and narrow strip 2 to be processed into the floor panel of three-layer structure according to the method for embodiment 1, but middle layer only adopts narrow strip 2 to be arranged in parallel with 1-2 times spacing, and does not form tongue and groove.

[0049] FIG. 2 is a schematic cross-sectional view of the floor slab, and its performance index refers to Example 1.

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Abstract

The present invention relates to a floor slab for wood structure building and its making method. Said method includes the following steps: cutting the wood raw material into wood lath or batten with defined size, applying glue to two sides of large wood lath or batten, splicing them into slab, cold pressing and forming so as to obtain wide slab, using said wide slab as upper and lower layers of said floor slab structure; applying flue to two sides of small wood lath or batten and splicing them to obtain narrow slab, using said narrow slab as intermediate layer of said floor slab structure, cold-pressing the above-mentioned upper, intermediate and lower three layers and making them be combined together so as to obtain the invented floor slab for wood structure building.

Description

technical field [0001] The present invention relates to a wooden structure building floor panel, in particular to a wooden structure building floor panel which can be made by using artificial fast-growing wood as a raw material and can endow the wooden structure floor panel with special functions. Background technique [0002] In recent years, buildings such as wooden structure houses have developed rapidly in my country, and their unique architectural style and performance advantages have been affirmed by more and more consumers. The demand for structural wood products for timber construction is increasing year by year. Due to the particularity of wooden structures, there are high performance requirements for the wooden raw materials used. For example, most of the wood structure floor panels currently use oriented strand boards, and a small amount of plywood is used. The processed floors have relatively low stiffness. The sound insulation performance is also poor; on the ...

Claims

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Application Information

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IPC IPC(8): E04B5/02B27M3/04
Inventor 费本华周海宾赵荣军傅峰张宜生
Owner INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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