Abstract
In terms of oil and natural gas pipe to be installed in working shaft, and in light of basic dimension of slurry shield machine and its supporting system, required parameters of working shaft, such as its diameter, lining structure, building envelope have been presented in this paper. Meanwhile, the thickness of building envelope and permanent concrete lining for working shaft is also proposed through the analysis of its elastic stability and anti-buoyancy under influence of earth and ground water pressure.
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