昌马水库排砂洞塌方体处理措施

Measures to Treat the Collapse Body of the Sand Discharging Cave of Changma Reservoir

在总结经验的基础上 ,经多方分析论证 ,结合其他工程的经验 ,在塌方体上二次开挖 ,首先确定施工方案及处理措施 ,积累了一套在塌方松散体上开挖隧洞的施工经验。

Based the condusion of experiences,and several times of anylysis and demonstration and also take other engineering as the references,we conducted the secondary excavation in the collapse body,then decided the construction plan and the treating measures.It accumulated a good experiences for the tunnel excavation in the collapsed body.