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随着城市的飞速发展,地铁成为城市最为时尚的标志。虽然地铁近年来发展较快,但是发展过程中仍然存在很多问题。比如地上地下建筑物自己管线工程会对地铁造成严重影响。过去的注浆工艺已经不再适用于当前的地层环境,地铁暗挖隧道工艺能够对隧道周边结构的安全性进行保证,持续发展并且提出富水地层暗挖隧道深孔预注浆施工技术,得到广泛的应用。本文结合工程实例,深入的研究了富水地层暗挖隧道深孔预注浆施工技术,旨在为日后的相似工程提供参考。
With the rapid development of the city, the subway has become the most fashionable symbol of the city. Although the MTRC has developed rapidly in recent years, there are still many problems in the development process. For example, underground pipeline construction on the ground will have a serious impact on the subway. The past grouting process is no longer suitable for the current stratigraphic environment. The underground tunneling process can guarantee the safety of the surrounding structure of the tunnel, and the continuous development and advance of the deep hole pre-grouting construction technology for the deep excavation tunnel of the water-rich stratum are obtained Wide range of applications. Based on the engineering examples, this paper deeply studies the deep hole pre-grouting construction technology in the deep excavation tunnel of the water-rich stratum to provide reference for the similar projects in the future.