中心城区近地铁顶管井洞口加固技术应用

摘要:

随着现代城市发展的日趋完善，集成化、现代化水平不断提升，地下空间开发是未来城市发展的必然趋势，而顶管作为一种重要的非开挖施工方法，势必将在未来城市建设中占据重要的地位。本文以上海灵石路（共和新路～沪太路）电力电缆隧道工程为例，详细介绍了全方位高压喷射工法在近地铁地下连续墙顶管井中应用，克服了井位加固施工临近地铁线路、沉降控制要求高等不利因素，验证了全方位高压喷射工艺的可靠性与实用性，取得了较好的施工效益。

Abstract:

With the development of modern cities, the level of integration and modernization is constantly improving, and underground space development is an inevitable trend of future urban development. Pipe-jacking, an important trenchless construction method, is bound to play an important role in future urban construction. In this paper, taking the Shanghai LingShi Road power cable tunnel project as an example, the comprehensive method of the high-pressure jet was introduced in detail in the underground continuous wall of the pipe-jacking shaft near the metro line in the central city, which overcomes the difficulties of location near the subway line, highly subsidence control requires. Finally, better construction benefits confirmed the reliability and practical application of the comprehensive high-pressure jet.