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钢结构楼承板栓钉能不能用螺纹钢头代替?规范里有规定吗？ - 工程施工 - 项目管理 - 氿上知道
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满意答案
一、材料分析:这种结构上用来传递砼和钢梁的应力，是采用专用剪力钉，其材料是ML15A，其抗剪、伸长率和延伸率、抗拉和屈服强度都可以达到GB/T10433-2002国标。而普通螺纹钢HRB是无法保证这些力学参数的。
二、施工工艺:专用抗剪力钉是采用磁环做配套，用专用电弧螺柱自动焊约700A的电流全方位整个底截面熔成铁水状穿透焊接成型的。而用螺纹钢只能用交流或直流手工焊机采用焊条小电流焊接剪力钉圆周一圈的角缝，底截面完全没办法熔焊，一旦发生剪切力时即会脱焊。甚至拿小铁锤做敲击即会脱焊，而采用电弧螺柱焊机焊接成型的栓钉敲弯至与水平面成30度都不会存在脱焊现象。
茶器123
回答于：2013-10-08
共2条回答