基槽边坡坡率采用过缓，基槽开挖量和回填量均较大，工程不经济；
Slope with slow slope rate, Foundation trench excavation of earth and backfilling of earth are both relatively larger and the project is not economic;
因支护或衬砌增加的开挖量由甲方代表按实计量并折算成隧道延米计价。
Due to support or increased excavation volume caused by lining, Party a shall measure again and converted it to total length of the tunnel.
为此，寻求一种下沉量与开挖量关系的方程，可以预测下沉，便于在线控制。
A equation about sinking amount and excavation is derived to predict sinking and adjust online.
应用推荐