The Research On The 3D Numerical Analysis And The Construction Monitoring Program Of Calabash-shaped Excavation Of The Extra-large Suspension Bridges

Diaphragm Wall as an excellent water retaining structures, has been widely applied in the world with nearly a century of development. It is accumulated lots of experience in construction and has become a system of theoretical knowledge. As so far, Rectangular Diaphragm Wall and Round Diaphragm Wall had Already proficient by human, However, with the pursuit of higher Diaphragm Wall of security and economy, Engineers began to pursue a special shape Diaphragm Wall and hoped to promote the development of Diaphragm Wall of theory and practice.This paper relying on Yueyang Dongting Lake second Bridge JunShan side anchorage deep foundation engineering, Primarily analyzed its calabash-shaped Diaphragm Wall. At first, create a complete three-dimensional geological model By calculation software FLAC3D, And follow the steps to simulate construction. Then..analyzed for Simulation results,to obtain key data such as the construction of the most unfavorable conditions, And grasp the overall safety of the structure. At last,prepare a complete construction monitoring program in the construction process to reduce the risk of construction safety grip, aim to actively respond to construction accidents and ensure safety of life and property.Numerical simulation analysis of the calabash-shaped Diaphragm Wall deformation and internal forces, provides a theoretical guidance and technical support for Engineering design and construction, Our ultimate aim is ensure the safety of the construction works by monitoring programs.