吹付けコンクリートとロックボルトを用いたトンネルの特性と事前設計方法

抄録

In the previous paper, the authors proposed the design formula which was based on the distortional strain energy stored at each stage of tunnelling. In this paper, the side pressure coefficient k and elastic constant E_R of ground are firstly studied with the displacement data obtained by the tunnel measurement in the past, and then the applicability of the proposed design formula, the efficiency of tunnel support and the safety factor of actual tunnels are discussed. The preliminary design method of tunnel is also presented.