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Water pressure loading control system and loading method used in fluid-solid coupling model test

A control system, coupled model technology, applied in the direction of using stable tension/pressure to test the strength of materials, instruments, measuring devices, etc. Achieve effective monitoring and control, solve water leakage, and have a wide range of effects

Inactive Publication Date: 2012-07-25
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Underwater traffic projects do not occupy land, do not hinder navigation, do not affect the ecological environment, and are not affected by climate factors such as typhoons and dense fog. They are very safe all-weather traffic channels. face greater difficulties and risks
Scholars in my country have carried out a lot of research work on fluid-solid coupling, but there are also obvious weaknesses: due to the complexity of the fluid-solid coupling problem, past research often does not do seepage simulation under real hydraulic conditions, and only uses flexible loading simulation The external force equivalent method of water pressure cannot reflect the actual situation under the coupled action of rock mass and water, nor is it a true fluid-solid coupling simulation

Method used

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  • Water pressure loading control system and loading method used in fluid-solid coupling model test
  • Water pressure loading control system and loading method used in fluid-solid coupling model test

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] figure 1 Among them, a hydraulic loading control system used in fluid-solid coupling model tests, including a test bench 1, the test bench 1 adopts a sealed design, and several layers of similar materials 2 are laid inside, and the interior of the test bench, similar materials There is a water tank 3 for hydraulic loading on the top of the test bench. The top of the test bench is provided with a water injection hole communicating with the water tank 3. The water injection hole is connected with the water source 11 outside the test bench 1 through a water pipe 10, and the water injection hole is connected to the water source 11. A control system for controlling water injection is provided between them.

[0028] The test bench 1 is a rigid sealed bench. The exterior of the test bench 1 adopts a high-strength rigid structure frame, and the interior...

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Abstract

The invention discloses a water pressure loading control system and a loading method used in a fluid-solid coupling model test. The loading control system comprises a test bench, wherein the test bench adopts seal design and a plurality layers of similar materials are laid inside the test bench; water tanks for water loading are respectively arranged in the test bench and on the similar materials; a water injection hole and a control device are arranged at the top of the test bench; and the test bench is connected with a pressure pump outside the test stand through a water pipe. The invention further discloses a pressurizing method of the system at the same time. The invention researches the external water pressure loading control system and the loading method in the model test, and solves the loading and control problems of the true water pressure in the fluid-solid coupling model test. By introducing the water pressure loading control system in the model test, the interaction of solid similar materials and water is simulated more truly than the existing research; and in this way, the fluid-solid coupling model test is more close to the engineering practice, and the obtained research result has wider application range.

Description

[0001] technical field [0002] The invention relates to the field of model tests, in particular to a hydraulic loading control system and a loading method used in fluid-solid coupled model tests. Background technique [0003] With the development of our country's economy, the take-off of transportation, and the progress of modern construction technology, large-scale underwater transportation projects occupy an increasingly important position in the transportation system due to their unique advantages. Underwater traffic projects do not occupy land, do not hinder navigation, do not affect the ecological environment, and are not affected by climate factors such as typhoons and dense fog. They are very safe all-weather traffic channels. All aspects are facing greater difficulties and risks. Scholars in my country have carried out a lot of research work on fluid-solid coupling, but there are also obvious weaknesses: due to the complexity of the fluid-solid coupling problem, pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/12
Inventor 李利平周毅李术才宋曙光林春金张骞郭明胡聪王凯
Owner SHANDONG UNIV
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