2006•Construction TechnologyRequires access

Excavation and Support Technology of Shallow Buried Part in Collapsible Loess Tunnel Entrance

Weixin Yang

Abstract

In this article,the author introduces the primary situations of Tongluochuan tunnel in Zhengzhou to Xi'an passenger railway line.The characteristics and problems of that project are stated too.The author elaborates some technologies used in collapsible loess tunnel entrance part construction,such as advanced support technology used in shallow buried part,early support technology,foundation base strengthening,etc.The construction control technology for super large section loess tunnel is presented.

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Available abstract

Key concepts: Loess, Engineering, Excavation, Foundation (evidence), Section (typography), Civil engineering, Geotechnical engineering, Tunnel construction