Generation and monitoring device of turbidity flow derived from slope collapse

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
CN112461501BActive Publication Date: 2021-11-05ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2021-11-05

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Abstract

The invention discloses a device for generating and monitoring turbidity flow derived from a slope collapse. The invention comprises a collapse landslide water tank and a buffer grit chamber. The bottom of the collapse landslide water tank is placed with a simulated bed horizontal section and an inclined section. A pile of uniformly graded, fine-grained sand is piled on a horizontal section of the simulated bed, assisted by a vibratory compactor and an adjustable bottom slope. A measuring rod is placed in the collapsed landslide tank, and the measuring rod is directly facing the adjustable bottom slope; the buffer grit chamber is connected to the inclined section of the simulated bed, and an environmental water body is arranged above the buffer grit chamber The inlet, buffer grit chamber is used to prevent reflections of derived turbidity currents. The combination of UPV, CCM and siphon in the present invention can obtain the velocity and concentration profile of high-frequency derived turbidity flow.
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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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