Glue laminated wood member with controllable dimensional stability and preparation method thereof

A technology of dimensional stability and glulam, applied in the jointing of wooden veneers, chemical instruments and methods, manufacturing tools, etc., can solve problems such as poor durability, reduced strength, uncontrollable component quality, etc., and achieve low price and variation The effects of reduced durability, extended service life and service safety
CN102990730AInactive Publication Date: 2013-03-27NANJING UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV OF TECH
Publication Date
2013-03-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a glue laminated wood member with controllable dimensional stability and a preparation method thereof, belonging to the field of glue laminated wood preparation. The glue laminated wood member with controllable dimensional stability is composed of laminated sheets and adhesive layers through pressed superimposition, wherein each laminated sheet is an indentation laminated sheet which is processed by using solid-wood dimension stocks through transverse widening and longitudinal lengthening, the indentation laminated sheet is provided with continuous or discontinuous indentations along the texture direction, the adhesive layers adhered to the surfaces of the indentation laminated sheets are arranged between adjacent indentation laminated sheets, and adhesives are filled in the indentations. The glue laminated wood member with controllable dimensional stability is prepared through the steps of processing indentations, controlling the moisture content and the like, and the prepared glue laminated wood member with controllable dimensional stability solves the problems that the durability of common glue laminated wood members is poor caused by that middle-layer plates of the common glue laminated wood members are delaminated or subjected to shear failure or the stress between laminated sheets is concentrated due to environment temperature changes, or the quality of members prepared by using fast-growing wood is uncontrollable, the strength of the members is degraded caused by traditional wood removal through slotting, and the like.
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Description

technical field

[0001] The invention relates to a structural component for building, in particular to a glued wood component with controllable dimensional stability and a preparation method thereof. Background technique

[0002] In the mid-1970s, due to its high strength, stiffness and stability and homogeneity of physical and mechanical properties, glued wood was widely used as beams, gate beams, flanges of I-shaped prefabricated grids, and springboards for construction scaffolding, etc. product. The main production process of glued wood is to saw the logs according to certain specifications, dry the sawn timber to a certain moisture content, and carry out stress grading and grading after removing defects; It is formed by overlapping width, longitudinal length and thickness. The configuration characteristics of the wood texture assembly endow the glulam beam with directional high mechanical properties. At the same time, according to different use environments and design r...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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