Slope burst derived muddy current generation and monitoring device

A monitoring device and technology of turbidity flow, which is applied in the field of sediment hydrodynamic model test, can solve the problems of damage to measuring instruments by derivative turbidity flow, failure to consider the entrainment of sediment erosion by derivative turbidity flow, and the difference in results, etc. Low, good integrity, and ingenious device structure
CN112461501AActive Publication Date: 2021-03-09ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2021-03-09

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Abstract

The invention discloses a slope burst derived muddy current generation and monitoring device, and the device comprises a burst landslide water tank and a buffer grit chamber, and a simulated bed horizontal section and an inclined section are placed at the bottom of the burst landslide water tank. A sand pile with uniform gradation and fine particle size is piled on the horizontal section of the simulated bed, and the sand pile is assisted by a vibration compactor and an adjustable limiting bottom slope. A measuring rod is placed in the burst landslide water tank and right faces the adjustablelimiting bottom slope. Wherein the buffer grit chamber is connected with an inclined section of the simulated bed, an environmental water body input port is arranged above the buffer grit chamber, andthe buffer grit chamber is used for preventing reflection of derivative muddy flow. The UPV, the CCM and the siphon are combined to obtain a high-frequency derived turbidity current speed and concentration profile.
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Description

technical field

[0001] The invention relates to the field of sediment hydrodynamic model tests, in particular to a generating and monitoring device for turbidity flow derived from slope body breakdown. Background technique

[0002] A submarine landslide is a physical process in which a large underwater soil loses stability and accelerates to slide, eventually depositing to form a gentler slope, often accompanied by the generation of turbidity currents. From an engineering point of view, turbidity currents pose a huge risk to the stability of subsea structures (such as oil pipelines, wellheads, and cables), and directly or indirectly impact nearby or remote underwater infrastructure.

[0003] Previous research literature has reported many submarine landslide events that occurred around the world. Submarine landslides are extremely complex failure processes, which involve the internal structure of soil in geotechnical engineering, as well as the hydrodynamic characteristics of...

Claims

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