高强度螺栓连接摩擦面抗滑移系数试验的影响因素

Influence Factors of Anti-sliding Coefficient Test on Friction Surface of High-strength Bolt Connection

文中介绍了抗滑移系数试验的质量验收功能,梳理了试验要求,给出了高强度螺栓抗滑移试件的制作方法,从摩擦面处理、试件处理、预拉力调节三个方面,分析了其对抗滑移系数的干扰作用,从中发现材料表面粗糙度、材料接触面积、材料塑性三个因素,与抗滑移系数之间的影响,以规范试验操作,助力建筑验收工作有序进行。

The article introduces the quality acceptance function of anti-slip coefficient test,combs the test requirements,gives the manufacturing method of anti-slip test pieces of high-strength bolts,analyzes the interference function of anti-slip coefficient from three aspects of friction surface treatment,test piece treatment and pretension adjustment,and finds out the influence between the three factors of material surface roughness,material contact area and material plasticity and anti-slip coefficient,This will standardize the test operation and help the building acceptance work to proceed in an orderly manner.