Technologies of the Construction and Surrounding Environment Deformation Control of Deep Foundation Pit Excavation in Complex Cohesive Soil Geology
The Hangang Station was located on Wuhan Metro Line 12,and this project had complex soil condi-tions in the site,mainly the unevent distribution of cohesive soil geology,the complex surrounding environment of foundation pits,etc.The construction was carried out by the convered top-down excavation method,and the main enclosure of foundation pits adopted the construction technology of the underground diaphragm wall + the plate support structure system to control surrounding ground surface settlement.The results shows that the reinforcement method of underground diaphragm wall technology and the plate support structure system can effectively ensure the safety of buildings,which provides a foundation for similar projects.
Cohesive soilDeep foundation pitDeformation controlSurroundings