Plastic concrete diaphragm wall seepage failure gradient quality detection test device

Abstract

The invention discloses a plastic concrete diaphragm wall seepage failure gradient quality detection test device which comprises a base body, a placement groove is formed in the upper end of the base body, a wall body is arranged in the placement groove, a test groove is formed in the upper end of the wall body, a water pump is arranged at the upper end of the base body, and the water inlet end of the water pump communicates with a liquid inlet pipe. The water outlet end of the water pump is communicated with a transmission pipe, a sealing plug is installed at a notch of the test groove, the end, away from the water pump, of the transmission pipe penetrates through the sealing plug and extends into the test groove, and an external power source is installed at the upper end of the base body. According to the device, the notch of the test groove can be completely sealed and fixed in the plastic concrete diaphragm wall seepage failure gradient quality detection test process, the sealing plug cannot be popped out, meanwhile, an alarm can be automatically given when leakage occurs, and manual observation is not needed.

Description

technical field [0001] The invention relates to the technical field of anti-seepage engineering, in particular to a test device for detecting the quality of the seepage failure gradient of plastic concrete anti-seepage walls. Background technique [0002] Plastic concrete is a kind of high-fluidity concrete with low cement content and a large amount of bentonite, clay and other materials. It has the characteristics of low strength, low elastic modulus and large strain, and can be well adapted to the specific conditions of the foundation. It has good anti-permeability, so it is widely used in water engineering. In the actual use process, it is necessary to conduct experiments on the penetration failure gradient of the wall to determine its allowable penetration gradient. However, the existing There are still the following problems in the quality inspection test of the penetration failure gradient of the plastic concrete cut-off wall: [0003] In the process of testing the qu...

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Problems solved by technology

[0003] In the process of testing the quality of the penetration failure gradient of the existing plastic concrete cut-off wall, it is necessary to set up a test tank in the wall, seal the notch of the test tank, and then pour high-pressure liquid into the tank for testing. The method may cause the sealing block at the notch to pop out due to the excessive pressure inside the test tank during the pressurization process, which will affect the progress of the experiment. Sealing, thus affecting the accuracy of the experimental structure, and the period of the quality inspection test of the penetration failure gradient of the plastic concrete cut-off wall is long, requiring people to observe the wall for a long time, which greatly increases the workload of people. Therefore, how reasonable The solution to these problems allows us to consider the

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