Tunnel mechanical behavior analysis method based on tunnel secondary lining surface strain
A behavioral analysis and tunneling technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems that cannot reflect mechanical properties
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[0022] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. The specific embodiments described here are only used to explain the present invention, not to limit the invention.
[0023] like figure 1 As shown, this embodiment provides a tunnel mechanical behavior analysis method based on the surface strain of the second lining of the tunnel, and the specific analysis steps are as follows:
[0024] 1) if figure 2 (a) layered homogeneous rings under uniform pressure; (b) schematic diagram of objects under polar coordinates. Firstly, the tunnel model is simplified and assumed, and a circular tunnel form with double-layered rings bearing loads is established and The force form of the differential element in the cylindrical coordinate system in the elastic mechanics system.
[0025] (1) Simplify the primary support and secondary lining ...
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