Structural glued-laminated timber round wooden column and manufacturing method thereof
A technology for glued wood and structures, applied in the direction of columns, pier columns, pillars, etc., can solve the problems of easy cracking and deformation of log columns, decay and knots of log columns, and difficulty in obtaining round wooden columns, etc., achieving low price, Harmonious moisture content and less defects
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Embodiment 1
[0048] Such as Figure 1-3 The laminated laminated wood round column for the structure shown includes the following process steps (the adhesive used in this embodiment is a phenol-resorcinol-formaldehyde resin adhesive):
[0049] (1) Pretreatment of wood raw materials: according to the design requirements, through mechanical sawing and other processing methods, the inherent decay, knots, twill, cracks and insect holes of fast-growing wood raw materials are eliminated and controlled, and the thickness of 15~35mm, The solid wood is sawn with a width of 80mm and a length of 500~2000mm, and the wood is chemically modified to prevent corrosion and insects. Then, adjust the moisture content of the wood at 8% by artificial drying, and use it as the wood material for the laminated wood column for the structure;
[0050] (2) Production of laminates for glued wood: Carry out tooth milling on the end of the wood, the tooth length is 8~15mm, the inclination ratio of the finger tenon slop...
Embodiment 2
[0055] The laminated laminated wood round column for structure comprises the following process steps (the adhesive used in this embodiment is polyurethane adhesive):
[0056] (1) Pretreatment of wood raw materials: according to the design requirements, through mechanical sawing and other processing methods, the inherent decay, knots, twill, cracks and insect holes of the structural wood raw materials are eliminated and controlled, and the thickness is 25~45mm. , Solid wood sawn timber with a width of 80~200mm and a length of 1000~4000mm. Then adjust the moisture content of the wood at 12% by artificial drying, and use it as the wood material for the laminated wood column for the structure;
[0057] (2) Manufacture of laminates for glued wood: Carry out tooth milling on the end of the wood, the tooth length is 25mm, the inclination ratio of the finger tenon slope is 1 / 7.5, the fitting degree is 0.25mm, and the temperature is above 18°C and the relative humidity is 80%. Under...
Embodiment 3
[0062] The laminated laminated wood round column for structure comprises the following process steps (the adhesive used in this embodiment is a melamine-formaldehyde resin adhesive):
[0063] (1) Pretreatment of wood raw materials: according to the design requirements, through mechanical sawing and other processing methods, the inherent decay, knots, twill, cracks and insect holes of the structural wood raw materials are eliminated and controlled, and the thickness is 25~45mm. , solid wood sawn timber with a width of 80-200mm and a length of 1000-4000mm, or selectively fire-resistant impregnated modified wood raw materials, and then artificially dried to adjust the moisture content of the wood to 10%, as a structure Timber material for laminated lumber round posts;
[0064] (2) Manufacture of laminates for glued wood: Carry out tooth milling on the end of the wood, the tooth length is 20mm, the inclination ratio of the finger-tenon slope is 1 / 6, the fitting degree is 0.2mm, an...
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