Shield-tunnel lining segment T-shaped seam two-sealing-pad waterproof test device and method
A technology for gasket waterproofing and lining segments, which is applied in fluid tightness testing, measuring devices, and testing of machine/structural components, etc. It can solve problems such as the inability to scientifically simulate the waterproof effect of waterproof gaskets, and achieve high model accuracy Effect
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[0053] Example 1
[0054] In this embodiment, a waterproof test device for two sealing gaskets of T-shaped seams of shield tunnel lining segments, such as figure 1 As shown, by setting the inner and outer grooves of the lower test mold and the upper right test mold to different heights, after installing two elastic gaskets, the three test molds can be compressed to create the lower part of the T seam The two waterproof sealing strips of the "一" seam and the upper "∣" seam respectively show a working condition with an opening amount of 0 and a certain opening amount on the other side, and then water injection and drainage are carried out through two sets of water injection and drainage channels, and the first 1. The air in the second sealed cavity is discharged, and finally through the water injection channel of the first sealed cavity, water is injected from the center, simulating the situation that high-pressure water sequentially breaks through two T-shaped elastic gaskets, so a...
Example Embodiment
[0072] Example 2
[0073] In the embodiment of the shield tunnel lining segment T-shaped seam two sealing gasket waterproof test device, the upper left outer groove inner ring and the upper right outer groove inner ring located on the T-shaped horizontal side are equipped with rectangular grooves The inner ring of the lower outer groove is flat; the inner ring of the upper left outer groove located on the T-shaped vertical side is provided with a rectangular groove, and the inner ring of the upper right outer groove located on the T-shaped vertical side is flat. The other parts of the device are the same as the first embodiment.
[0074] Using the test method of the T-shaped seam waterproof test device for the shield tunnel lining segment in this embodiment, the method step 1) is:
[0075] Firstly, determine the opening values of the two sealing gaskets on the tension side of the T-shaped lower "one" seam and upper "∣" seam that need to be measured for the test. Preferably, the lo...
Example Embodiment
[0077] Example 3
[0078] In the embodiment of the shield tunnel lining segment T-shaped seam two sealing gasket waterproof test device, the upper left outer groove inner ring and the upper right outer groove inner ring located on the T-shaped horizontal side are equipped with rectangular grooves , The lower outer groove inner ring is provided with a groove; the upper left outer groove inner ring located on the T-shaped vertical side is provided with a rectangular groove, and the upper right outer groove located on the T-shaped vertical side is provided with a rectangular groove. There are rectangular grooves. The other parts of the device are the same as the first embodiment.
[0079] Using the test method of the T-joint waterproof test device of the shield tunnel lining segment in this embodiment, the method step 1) is
[0080] Firstly, determine the opening values of the two sealing gaskets on the tension side of the T-shaped lower "one" seam and upper "∣" seam that need to be...
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