Comparation & analysis of steel bar connection ways;

Authors analyze and study some aspects of binding connection, mechanical connection and welding connection of HRB500 reinforcement such as processing parameters, reliability, operability and economical index and so on, provide advice about application performances of different reinforcement connection methods.

In this paper according to the characteristics and application scope of various reinforcement jointing methods the issue is discussed in order to properly and scientifically select the jointing method.

Then,the author suggests that in order to make the concrete side wall of the second lining and the cable duct an integral part,connection rebar should be used.