高铁苏州北站项目建设取得重大突破 超深地下连续墙施工全面开启

Group 1 - The Suzhou North Station high-speed rail project has achieved a significant milestone with the commencement of the construction of the underground continuous wall, marking the start of the protective structure phase [1] - The project features a dual protection system consisting of a 73-meter underground continuous wall and an 80-meter TRD waterproof curtain, designed to address the challenges posed by a 38.65-meter deep foundation pit and surrounding dense buildings [1] - The China Communications Construction Company (CCCC) has established an expert group to oversee the project, ensuring the operational safety of the Beijing-Shanghai high-speed railway and the stability of nearby buildings [1] Group 2 - The CCCC's technical team, led by Chief Engineer Zhou Feng, conducted 47 sets of slurry mix ratio tests to optimize parameters, ensuring that the performance of new and recycled slurries meets complex geological requirements [3] - The construction of the first section of the underground continuous wall involved close supervision from experts, maintaining quality standards above regulatory requirements to ensure the wall's integrity, which is crucial for the deep foundation pit excavation [3] - The successful implementation of the temporary shield well's continuous wall provides conditions for the subsequent reception of the shield machine, contributing to the integration of high-speed rail, intercity rail, urban rail, and city transit systems in Suzhou [3]