文献类型：会议论文

英文题名：Factors Influencing Structural Performance of Finger-Jointed Chinese Fir Lumber

作者：Zhou, Haibin[1] Ren, Haiqing[1]

第一作者：周海宾

通信作者：Zhou, HB[1]

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China

会议论文集：2nd International Conference on Civil Engineering, Architecture and Building Materials (CEABM 2012)

会议日期：MAY 25-27, 2012

会议地点：Yantai, PEOPLES R CHINA

语种：英文

外文关键词：finger-jointed lumber; tensile strength; bending strength; machine grading

年份：2012

摘要：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.