Safety Risk Control of Water and Sand Gushing during Construction of Deep Foundation Pit in Water-rich Sand Layer of the Pearl River Delta Region
In the view of the situation that the hydrogeological conditions in the Pearl River Delta region are complex and the construction of various deep foundation pits are prone to water and sand gushing,combined with the practical problems encountered in the field disposal,the risk analysis is carried out,the key points of prevention and managment of water and sand gushing and the disposal measures are summarized and put forward.The quality control of the whole construction process should be strengthened to prevent water gushing.On the other hand,adequate prevention,preparation,response and other emergency managment work should be done to ensure successful on-site disposal after the surge occurs.
the Pearl River Delta regionwater-rich sand layerdeep foundation pitenclosure structurewater and sand gushingdangerous situation disposal
万方数据
维普
