Testing system and method for supporting model of large arch flexibly and uniformly loaded tunnel
A technology of flexible uniform loading and model testing, which is applied in the direction of machine/structural component testing, instruments, measuring devices, etc., can solve the problem of not being able to meet the requirements of tunnel support model tests and not suitable for tunnel support model tests Research, can not well meet the problems of tunnel support structure, etc., to achieve the effect of diversified loading methods, large tunnel excavation size, and ingenious design
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[0045] The present invention will be further described below in conjunction with the drawings and embodiments:
[0046] A large-scale arch-type flexible uniform loading tunnel support model test system used in geotechnical engineering, including reinforced concrete reaction wall model 2, arch-type test frame 3, data acquisition and hydraulic control 4, data terminal processing 5 most. Among them, the arch test frame 3 includes a flexible uniformly distributed loading device 7 (independent body), a stable support 8, a similar material filling area of surrounding rock 10, a tunnel supporting structure 11, a rigid high-strength base 12, and a flexible uniformly distributed loading device 7 ( Independent body) includes two-way hydraulic cylinder 13, thrust device 14, special flexible rubber pad 9.
[0047] Reinforced concrete reaction wall model 2, cast in a pre-excavated pit, its ultimate bearing capacity can be adjusted according to test requirements.
[0048] The 3 part of the arc...
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