规范中C级普通螺栓抗拉强度设计值是否考虑撬力影响的探讨与建议

DISCUSSION AND SUGGESTION ON WHETHER THE INFLUENCE OF PRY FORCE IN THE DESIGN VALUE OF TENSILE STRENGTH OF GRADE C ORDINARY BOLT IN CODE IS CONSIDERED

在编制07SG359-5《悬挂运输设备轨道》(适用于门式刚架轻型房屋钢结构)国家建筑标准设计图集时,提出连接轨道的C级普通受拉螺栓抗拉强度设计值是否考虑撬力影响的问题,对此GB50017-2003《钢结构设计规范》国家标准管理组作了肯定性答复。通过一些探讨和计算,提出对规范修改的参考建议。

When redacting the national building design standar d of 07SG359-5,Railway of Hanging Lifting Equipment（applicable to steel structure of light-weight buildings with gabled frames）,the question whether the i nfluence of pry force is considered is raised in determining the design value of tensile strength for grade C ordinary bolt used for connecting railway.It is c onfirmed that the influence of pry force is already considered in the calculatio n of code by the Code for Design of Steel Structures composing committee.Suggestions on revision to the standard are proposed based on stud y and calculation.