Title |
An Experimental Study on the Structural Behavior in Friction Type Bolted Joint Under Cyclic Loading |
Keywords |
High Strength Bolt ; Slip Load ; Slip Coefficient ; Reduction of Clamping Force ; Fatigue Capacity |
Abstract |
High strength bolts are the chief mechanical fasteners used for making field connections in steel construction. In friction type bolted connection, the slip coefficient and the initial clamping force are the major factors governing the slip load of a connection. And the variation in the initial clamping force directly affects the slip load of the connection. The objective of this study is to investigate the slip load, deformation and reduction of initial clamping force in friction type bolted joint under cyclic loading and static loading. And the parameter of this study is the condition of the faying surface, one is rusted faying surface and the other is clean mill scale surface. The influence of these parameters is investigated from the test results. The tests of this study are 3 types as following. - Tensile test under static loading - Fatigue test(Tensile test under cyclic loading) - Tensile test after fatigue test under static loading The test result is that reduction of clamping force in friction type bolted joint under cyclic loading does not affect fatigue capacity under slip load. |