High-temperature mechanical property testing system of annular tunnel lining structure system
A test system and high-temperature mechanics technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problem of not considering the impact of high-temperature mechanical properties of surrounding rock and soil, low maximum temperature, and heating rate. Slow and other problems, to achieve the effect of improving work efficiency and data accuracy, high maximum temperature, and small temperature fluctuations
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[0040] As shown in Figure 1, the high-temperature mechanical performance test system of the circular tunnel lining structure system of the present invention is composed of the following seven subsystems with specific functions:
[0041] (1) Fire thermal environment simulation subsystem;
[0042] (2) Thermal insulation subsystem;
[0043] (3) The mechanical boundary simulation subsystem of the foundation and lining structure system;
[0044] (4) loading subsystem;
[0045] (5) Measurement subsystem;
[0046] (6) Data acquisition subsystem;
[0047] (7) The thermal boundary simulation subsystem of the lining structure system.
[0048] In terms of spatial layout, the test system adopts a horizontal layout, that is, the axis of the annular tunnel lining structure system is placed vertically upward during the test. Due to the horizontal layout, it is very convenient to install the lining structure system, apply loads, arrange measuring points, apply thermal boundaries (covering ...
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