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Device for simulating whole cataclysm process of seabed soft soil under combined effects of typhoon waves and shallow buried high pressure gas

A combined action, soft soil technology, applied in measuring devices, soil material testing, machine/structural component testing, etc., can solve problems such as the inability to realize the combined action of typhoon waves and seabed soft soil, and achieve controllable size and flow velocity, Technically simple, easy to achieve effects

Active Publication Date: 2018-04-27
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current model tests can only simulate wave-making, and cannot realize the joint action of typhoon waves and the weak soil on the seabed pushed by high-pressure gas.

Method used

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  • Device for simulating whole cataclysm process of seabed soft soil under combined effects of typhoon waves and shallow buried high pressure gas
  • Device for simulating whole cataclysm process of seabed soft soil under combined effects of typhoon waves and shallow buried high pressure gas
  • Device for simulating whole cataclysm process of seabed soft soil under combined effects of typhoon waves and shallow buried high pressure gas

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Embodiment Construction

[0023] Such as figure 1 As shown, a device for simulating the whole process of catastrophe of soft soil on the seabed under the combined action of typhoon waves on the upper surface and shallow buried high-pressure gas jacking, including an outer model box 1, a soil model box 2, a partition with holes 4, and a micro jack 5. Air pressure chamber 6, air pressure servo machine 11, a shaft rod 12, torque motor 13, sliding guide rail 14, impeller 15; in the figure, the outer model box 1 has a water inlet and a water outlet, and is respectively provided with a water inlet valve 16 And drain valve 17. The bottom surface of the soil model box 2 is made of a geotextile 3, the geotextile 3 only allows gas to pass through, and water and soil particles cannot pass through; the air pressure chamber 6 and the soil model box 2 are all installed in the outer model box 1, and The barometric chamber 6 is located directly below the soil model box 2; the perforated partition 4 is located between...

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Abstract

The invention discloses a device for simulating a whole cataclysm process of seabed soft soil under combined effects of upper-surface typhoon waves and pushing of a shallow buried high pressure gas, which can reproduce a weakening and pneumatic inrushing cataclysm whole process of the seabed soft soil under combined effects of the upper-surface typhoon waves and the pushing of the shallow buried high pressure gas. The device mainly comprises an outer model box, a soil model box, a perforated separator, a micro jack, a pneumatic cabin, a pneumatic servo motor, a shaft lever, a torque motor, a sliding guide rail and an impeller. A key physical simulation means is provided for revealing the seabed instability and cataclysm mechanism of three major waters (the Yellow Sea, the East China Sea and the South China Sea) with typhoon waves bursting and with high-pressure biogenic gas-containing seabeds distributed widely.

Description

technical field [0001] The invention discloses a device for experiment simulation of geological disasters in marine engineering, capable of reproducing the whole process of weakening of weak soil on the seabed and the combined action of typhoon waves on the upper surface and shallow-buried high-pressure gas-containing thrusting, and sudden gas surge disasters. Background technique [0002] Typhoons frequently occur in my country's three major sea areas (Yellow Sea, East China Sea, and South China Sea), and the typhoon waves are huge (up to 15m). The wave pressure generated on the seabed surface during the wave propagation process continuously shears the seabed, resulting in weakening of the soft soil on the seabed; at the same time , the soft soil seabed is often covered by a high-pressure air layer, which pushes the seabed upwards and further shears the seabed; The weakened seabed is broken down, resulting in the instability of the seabed foundation and the collapse of marine...

Claims

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Application Information

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IPC IPC(8): G01M10/00G01N33/24
Inventor 洪义赖踊卿王立忠李玲玲
Owner ZHEJIANG UNIV
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