摘要
对福建省引种的24年生峦大杉的木材物理力学性质进行检测,结果表明:峦大杉木材的气干密度为0.344 g/cm3、弦向全干干缩率6.020%、弦向湿胀性6.440%、吸水性237.810%、顺纹抗压强度6.004 MPa、抗弯弹性模量7 250.810 MPa、抗弯强度59.840 MPa、顺纹抗拉强度62.800 MPa;峦大杉的材质与杉木相近,应用方面可参考杉木,在木构件加工时,其安全系数可使用杉木的量值。
The wood physical and mechanical properties of 24 year old Cunninghamia konishii trees introduced and grown in Fujian Province were tested. The results indicated that the air-dried wood density of C. konishii was 0. 344 g/cm3 , the tangential shrinkage ratio was 6.02%, the tangential wet-swelling ratio was 6.44% , the water absorption rate was 237.81%, the compression strength parallel to grain was 6. 004 MPa, the bend elastic modulus was 7 250.81 MPa, the bending strength was 59.84 MPa, and the tensile strength parallel to grain was 62. 8 MPa. The test results showed that the wood properties of C. konishii were quite similar with those of C. lanceolata. The usage of C. konishii can be referred to C. lanceolata. The safety coefficient of C. lanceolata wood could be applied to C. konishii wood while being processed as timber component.
出处
《西南林业大学学报（自然科学）》
CAS
2014年第1期106-109,共4页
Journal of Southwest Forestry University：Natural Sciences
基金
福建省公益类科研院所基本科研专项(2011R1013-2)资助
福建省属公益类科研院所基本科研专项〔2012〕资助
关键词
峦大杉
木材
物理性质
力学性质
杉木
差异比较
Cunninghamia konishii
wood
physical properties
mechanical properties
Cunninghamia lanceo-lata
difference comparison
