Application of MJS Construction Method in Reinforcement Construction of Existing Box Culverts Under Comprehensive Pipe Gallery

Abstract

The MJS construction method can reduce the impact on the environment and has the advantages of large pile diameter and good pile body quality. In recent years, it has been widely applied in the field of engineering reinforcement. This article takes the MJS reinforcement project of a comprehensive pipe gallery project in Xi'an as the research object, and uses a combination of on-site monitoring and numerical simulation to study the reinforcement effect of the MJS method. The research results indicate that after using the MJS construction method to reinforce the box culvert, the elastic modulus of the soil layer around the existing box culvert has been improved to a certain extent, avoiding significant deformation of the box culvert and the surrounding soil. After using MJS to comprehensively reinforce the existing box culvert, the deformation size of the structure meets the control standard value to ensure the safety of the existing box culvert.