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Flexible impervious body joint structure hydraulic dynamic tester and test method

A dynamic test and impermeable body technology, applied in the direction of using stable tension/pressure to test the strength of materials, can solve the problems of easy damage to the joint structure, lack of analysis methods and methods, and achieve the effect of improving the degree of fit

Active Publication Date: 2015-03-04
HOHAI UNIV
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Problems solved by technology

[0004] The present invention proposes a hydraulic dynamic tester and test method for the joint structure of the flexible anti-seepage body, aiming at that the joint structure around the high-mask rockfill dam is easily damaged but lacks analysis means and methods

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  • Flexible impervious body joint structure hydraulic dynamic tester and test method

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Embodiment Construction

[0026] A hydraulic dynamic tester for a joint structure of a flexible anti-seepage body, including a pressure chamber and an inlet and outlet water (air) pipe valve system, a sample installation platform and a rule system, a displacement and pressure measurement feedback control system, and a monitoring system, characterized in that The above-mentioned pressure chamber and water (air) pipe valve system, sample installation platform and rule system, displacement and pressure measurement feedback control system and monitoring system form an overall system of self-control of the test process through sensors, chips and software; The pressure chamber and inlet and outlet water (gas) pipe valve system consists of upper and lower pressure vessels 15 and 4, inlet and outlet water (gas) pipelines 17, 22, 24, 5, 8 and 11 and control valves 18, 22, 18, 25, 6, 9, 12 and 26. The upper and lower pressure vessels 15 and 4 are connected by flanges 16 and 3; Four vertically symmetrical vertica...

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Abstract

The invention discloses a flexible impervious body joint structure hydraulic dynamic tester and a test method capable of simulating the deformation damage under the condition of different contact materials above and below a field, and aims at solving the phenomenon that the flexible water stop on a peripheral joint of a part or a panel, adopting a conventional anchoring part, of a peripheral impervious membrane on an upstream surface of a dam body in a given depth after an impervious structure of a surface membrane or the panel of a high stone dam is operated with water. The flexible impervious body joint structure hydraulic dynamic tester mainly comprises a high pressure vessel (pressure chamber), a water inlet-outlet (gas inlet-outlet) pipe valve system, a test sample installation platform and rule system, a displacement and pressure measuring feedback control system and a monitoring system. The damage mechanism of the anchoring joint on the periphery of the impervious body in the given depth of the high membrane stone dam can be disclosed by virtue of tests.

Description

technical field [0001] The invention relates to a hydraulic dynamic test instrument for a joint structure of a flexible anti-seepage body and a test method thereof, and belongs to the technical field of membrane anti-seepage structures of high-membrane rockfill dams. Background technique [0002] Most of the reservoir dams in the development and utilization of water resources are built with earth-rock materials. Although most of them are medium and low dams, the highest dams in the world are earth-rock dams. The anti-seepage body in high rockfill dams mainly adopts cohesive soil core wall or reinforced concrete face plate, but when the foundation of the dam site is a deep covering layer, only clay core wall (or inclined core wall) can be used to connect the foundation concrete anti-seepage The type of wall. Rockfill dams with high clay core walls need to collect clay near the dam site, which not only costs a lot of land, but also causes damage to surface vegetation and affe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
Inventor 束一鸣吴海民姜晓桢张宪雷顾克刘云峰
Owner HOHAI UNIV
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