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In addition, the load reduction rule for filling was analyzed. Before the analysis, we considered friction between the particles and the side walls. Because the side wall was smooth, the side wall was coated with a layer of silicone oil to reduce its friction; in addition, according to the...
Secondly, the secondary lining is a circular structure, and the influence of temperature on the stress of the upper arch and sidewalls of the secondary lining will be transmitted downwards and accumulate at the inverted arch, resulting in more significant changes in the stress of the inverted ...
Active water plugging is commonly used for smearing, grouting, and the use of special waterproofing materials. For the lining, smaller cracking caused by the tunnel vault, and side walls of the linear drip or surface deep water, part of the water stopping materials can be used to stop water...
a case of field investigation in a railway tunnel with a symmetrical lining structure was presented in this paper. A model test was conducted to prove the accuracy of the numerical simulation in the condition of dense contact state between the lining and surrounding rocks. Based on this, the ...