Analysis the Effect of Grouting Pressure on Shallow Soil Thickness which Covered the Shield Tunnel

Abstract:

Passing through the inland river the tunnel generally lead to overburden small thickness of overlying soil, the disturbance effect of shallow soil here is very large. So the research of the thickness of the overlying soil is the key to solve the engineering problems. The existing calculation formula of the thickness of covering soil only considering the static state after construction, does not take into account the grouting pressure to overlying soil disturbance during construction. Based on the existing thickness calculation formula, this paper attempts to get a new modified computational formula which take the grouting pressure into consideration, and puts forward the reasonable improvement according to different parameters.

• Periodical: Advanced Materials Research (Volumes 1065-1069)
• Pages: 353-357
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.353
• Online since: December 2014
• Authors: Jie Liu, Huan Lin, Yan Wei Cao
• Keywords: Shallow Covering, Soil Thickness, Tunnel, Wall Back Grouting

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