This paper first reviews the various methods for determining the joint roughness coefficient (JRC) of rock masses. These include Barton profile method, direct investigation method, roughness parameter method,size range rate method,and telescopic method.

• 本文首先评述了现有确定岩体结构面粗糙度系数JRC的各种方法；如Barton经典剖面法、直接量测法、表面粗糙参数法、伸长率法、幅度法等.