A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Factors Influencing Structural Performance of Finger-Jointed Chinese Fir Lumber
Structural Finger-jointed (FJ) lumber is a common building material used mainly in timber construction. The paper evaluated the factors influencing structural performances of FJ Chinese fir lumber. Lumber was sawn from the logs following a pattern typically used in China to maximize the volume of recovered sawn timbers. After kiln-drying, the rough-sawed lumber was planned to 4.5 cm thick, 9.0 cm wide and 100cm long. The lumber pieces were assigned to two groups according to their dynamical MOE. FJ lumber is produced by cutting a series of sloping fingers on the end of the wood pieces to be joined and interlocking the two pieces by MDI glue. Bending and tensile strengths of FJ lumber were tested. The results show that the structural performance of the MSR FJ lumber was increased effectively after these units were machine-graded in advance and the interaction of variables should be considered in the design of finger joints.
Factors Influencing Structural Performance of Finger-Jointed Chinese Fir Lumber
Structural Finger-jointed (FJ) lumber is a common building material used mainly in timber construction. The paper evaluated the factors influencing structural performances of FJ Chinese fir lumber. Lumber was sawn from the logs following a pattern typically used in China to maximize the volume of recovered sawn timbers. After kiln-drying, the rough-sawed lumber was planned to 4.5 cm thick, 9.0 cm wide and 100cm long. The lumber pieces were assigned to two groups according to their dynamical MOE. FJ lumber is produced by cutting a series of sloping fingers on the end of the wood pieces to be joined and interlocking the two pieces by MDI glue. Bending and tensile strengths of FJ lumber were tested. The results show that the structural performance of the MSR FJ lumber was increased effectively after these units were machine-graded in advance and the interaction of variables should be considered in the design of finger joints.
Factors Influencing Structural Performance of Finger-Jointed Chinese Fir Lumber
Zhou, Hai-Bin (author) / Ren, Hai-Qing (author)
2012
6 Seiten
Conference paper
English
Factors Influencing Structural Performance of Finger-Jointed Chinese Fir Lumber
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