To determine the anti-slip coefficient of the high-strength bolt which connects components of friction surface, it is screwed and determined by torsion and tensile testing machines respectively.

• 摘要为了测定高强螺栓连接构件摩擦面的抗滑移系数，可以先在扭转试验机上通过扭矩来施拧，然后在拉伸试验机上进行测定。