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Debris flow channel erosion simulation test system

A technology for simulating test system and debris flow, which is applied in the field of indoor simulation test system, can solve the problem of inability to simulate the influence effect, etc., and achieve the effect of good indication effect.

Pending Publication Date: 2018-07-17
JILIN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

It is impossible to simulate the influence of the drop height and slope slope on the erosion process of the debris flow channel

Method used

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  • Debris flow channel erosion simulation test system
  • Debris flow channel erosion simulation test system
  • Debris flow channel erosion simulation test system

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] See Figure 1~3 In the embodiment of the present invention, a debris flow channel erosion simulation test system includes a workbench 11, a water tank 12, a conveyor belt 13, a conveying box 14, a fixed hopper 15, a mixer 16, a first-stage circulation tank 21, and a second-stage Circulation trough 31, the third section of the circulation trough 41, the pumping device 17, the pore pressure test device 65, the ultrasonic sensor 63, ...

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Abstract

The invention discloses a debris flow channel erosion indoor simulation test system. Through a conveyor belt, a water tank, a water pumping device and a mixer, a soil sample of a certain particle sizecomponent can be prepared into a debris flow fluid with a certain volume concentration, a lifting system composed of six elevators is adopted to adjust the slope and the height of three sections of flowing tanks, the movement slope, the falling water height and the scarp slope of debris flow can be controlled, the process of erosion of the debris flow fluid to a channel foundation bed under the conditions of different circulation area slope, falling water height and scarp slope and different thicknesses of the eroded foundation bed can be simulated, the erosion height and the erosion amount of the debris flow fluid on the eroded foundation bed can be monitored and recorded by a three-dimensional laser scanner and an ultrasonic sensor, and the process of the erosion movement of the debrisflow and kinetic parameters of the process can be monitored in real time through a pore pressure test device, a flow rate flow test device and a high speed camera.

Description

Technical field [0001] The invention relates to an indoor simulation test system for debris flow, in particular to a debris flow channel erosion simulation test system. Background technique [0002] Debris flow is a "solid-gas-liquid" three-phase flow between block movement and sand-carrying water that erupts in mountainous areas. Because of its suddenness and difficulty in prevention and control, it causes great harm. [0003] The erosion and destruction effect of debris flow on the channel is stronger than that of general water flow, and its destructive power is mainly manifested in the erosion, transport and accumulation capacity of debris flow. Among them, erosion ability is the prerequisite and fundamental. Through continuous erosion and entrainment, debris flow accumulates the ability to transport deposits and increase the hazard. Therefore, obtaining the degree of erosion of the loose materials in the circulation channel during the movement of debris flow, studying the mech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 彭帅英王明秦胜伍李广杰姚添淇龚文曦
Owner JILIN UNIV
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