摘要
本文主要介绍了结构用锯材的定义,概括了国内标准对结构用锯材等级的具体要求,包括目测分等要求和机械应力分等要求。对现有分等方法及原理进行了对比分析,最后总结了现有获得认证的分等设备。本文对涉及结构用锯材的优材优用和木结构设计的相关人员提供了参考。
This paper mainly introduces the definition of structural lumber,and summarizes the specific requirements of domestic standard for the grading of structural lumber,including the requirements of visual grade and mechanical stress.In addition,the existing grading methods and principles are compared and analyzed.Finally,the existing grading equipment with certification are summarized.This paper will provide a reference for the superior material and structural design of structural lumber.
作者
王双永
周海宾
邓昊
周冠武
杜永河
Wang Shuangyong;Zhou Haibin;Deng Hao;Zhou Guanwu;Du Yonghe(Wood Industry Research Institute,Chinese Academy of Forestry,Beijing,100091,China;National Engineering Research Center of Wood Industry,Beijing,102308,China)
出处
《建设科技》
2019年第6期70-75,93,共7页
Construction Science and Technology
关键词
结构用锯材
技术标准
分等方法
分等设备
structural lumber
technical standards
grading method
grading equipment
