Construction Risk Analysis and Control Measures for a Changsha Metro's Shield Tunnel Crossing below Existing Beijing-Guangzhou Railway in Water-rich Soft Soil Stratum
There was high construction risk in the water-rich soft soil stratum where a shield tunnel of Changsha Metro line 1 crossed below the existing Beijing-Guangzhou Railway. For this reason,this paper analyzed the construction risk and researched relevant control measures in combination with the specific geological and environmental conditions. And then emphatically and systematically,this paper analyzed the risk of shield tunneling below the existing railway,and expounded the risk factors and the harms caused ...