Landslide experimental device and experimental method for simulating constant seepage flow

Patent metadata

Field	Value
Publication number	US-2019113496-A1
Application number	US-201816200603-A
Country	US
Kind code	A1
Filing date	Nov 26, 2018
Priority date	Nov 26, 2018
Publication date	Apr 18, 2019
Grant date	—

Abstract

The present invention discloses a landslide experimental device for remotely controlling and simulating a constant seepage flow and weight load and an experimental method thereof in centrifuge test. The landslide experimental device includes a model box, a landslide device, a near-constant water flow control box, remote control devices and a water outlet pipe. The landslide device comprises a landslide model, a load balancing device, a weight storage device, an angle control panel and a tension bar. The remote control devices are arranged at the control box water outlet, at the control box water inlet, on the tension bar, on telescoping control sensors and on the weight storage device, respectively. With the present invention, the influences on the stability of landslide model with different landslide angles under the condition of the seepage flow and weight load can be simulated.

First claim

What is claimed is:

1 . A landslide experimental device for simulating a constant seepage flow, comprising a model box and a landslide device mounted within the model box, characterized in that the landslide experimental device further comprises a near-constant water flow control box, a water outlet pipe and several remote control devices; the near-constant water flow control box is fixedly mounted on the top of the model box, and a control box water outlet and a control box water inlet are formed on the near-constant water flow control box; an anti-overflow device is disposed at an upper end of an inner wall of the near-constant water flow control box, and two telescoping control sensors are mounted on an inner bottom of the near-constant water flow control box; each of the telescoping control sensors comprises a water sensor probe and a telescopic device which can lengthen and shorten; the landslide device comprises a landslide model, a load balancing device, a weight storage device, an angle control panel and a tension bar; support chutes are provided on two sides of the top of the angle control panel, and a fixed member is provided on the bottom of the angle control panel; a tension end of the tension bar is fixedly connected to the fixed member, while a fixed end thereof abuts against an inner wall of the model box; two support chutes are formed on the inner wall of the model box in a vertical direction, the insertion strips are inserted into the support chutes and move in the vertical direction; the weight storage device is fixed on the angle control panel; the load balancing device is disposed on the top of the landslide model; one end of the water outlet pipe is communicated with the control box water outlet, while the other end thereof is extended into the model box to be suspended over the landslide model; the remote control devices are arranged on the telescoping control sensors, at the control box water outlet, at the control box water inlet, on the weight storage devices and on the tension bar, respectively; and, the remote control device arranged at the control box water inlet is communicatively connected to the water sensor probes and the anti-overflow device.

2 . The landslide experimental device for simulating a constant seepage flow according to claim 1 , further comprising a reservoir, a water inlet pipe, a drainage tank and a drainage pipe; the reservoir is fixedly mounted on a side of the top of the model box adjacent to the near-constant water flow control box; a reservoir water outlet and a water injection port are formed on the reservoir; one end of the water inlet pipe is communicated with the reservoir water outlet, while the other end thereof is communicated with the control box water inlet; the drainage tank is fixed on a side face of the model box and disposed below the near-constant water flow control box; a drainage tank water inlet is formed on the drainage tank, and a drainage port is formed on the model box; and, one end of the drainage pipe is communicated with the drainage tank water inlet, while the other end thereof is communicated with the drainage port.

3 . The landslide experimental device for simulating a constant seepage flow according to claim 1 , characterized in that the load balancing device comprises a stressed plate, an elastic stressed strip and a load basket; one end of the elastic stressed strip is connected to the bottom of the load basket, while the other end thereof is connected to the top of the stressed plate; and, the stressed plate is disposed on the top of the landslide model.

4 . The landslide experimental device for simulating a constant seepage flow according to claim 1 , characterized in that several compartments each having an opening are provided within the weight storage device; triangular open plates are provided on two sides of the opening on the weight storage device; and, a baffle for occluding the opening is hinged between one sides of two adjacent open plates.

5 . The landslide experimental device for simulating a constant seepage flow according to claim 2 , further comprising a fixed bar; the fixed bar is fixed on the inner wall of the model box, two telescoping control sensors are mounted on the bottom of the fixed bar, and a remote control device is mounted at the drainage port.

6 . The landslide experimental device for simulating a constant seepage flow according to claim 1 , further comprising a centrifuge and a mobile terminal, with the mobile terminal being communicatively connected to each remote control device, and the model box being fixed on the centrifuge machine.

7 . A landslide experimental method for simulating a constant seepage flow, comprising the following steps:
step 1: a reservoir, a near-constant water flow control box and a drainage tank are fixed on a model box at a suitable height; an angle control panel and a tension bar are then connected together by a fixed member, and finally the tension bar is fixed on an inner bottom of the model box; and insertion strips of the angle control panel are inserted into support chutes of an inner wall of the model box, and the difference in height between two telescoping control sensors is controlled by adjusting a telescopic device according to the precision required by an experiment; step 2: a weight storage device and a load balancing device are provided on the angle control panel and a landslide model is prepared according to specific requirements of the experiment; the amount of water required by the experiment is injected into the reservoir, ball weights of different weights are placed within compartments of the weight storage device by weight, respectively, and finally the whole model box is fixed on a centrifuge; step 3: the centrifuge test is activated, and when the centrifuge gravity achieves the experiment requirement, on the exterior of the centrifuge, a remote control device is controlled to open a control box water outlet by a mobile terminal; under the control of the remote control device, the water level in the near-constant water flow control box is always between height differences of two telescoping control sensors, in this case, a near-constant water flow flows into the top of a landslide device through a water outlet pipe; and when a seepage flow flows out of the bottom of the landslide device, it flows through a drainage port, and finally flows into the drainage tank through a drainage pipe; step 4: when external force load effects are considered simultaneously, the remote control device is controlled by the mobile terminal, and then baffles of different compartments are controlled to open and close, and thus ball weights of different weights enter into the load balancing device from the weight storage device; step 5: when the angle of a landslide needs to be changed in the experiment, the remote control device is controlled by the mobile terminal to control the length of a tension bar, so that a tension end of the tension bar is extended or shortened to change the angle of the landslide; step 6: when the influence of the water level on the landslide needs to be considered in the experiment, the remote control device is controlled by the mobile terminal to close the drainage tank water inlet; under the control of the remote control device, the water level in the model box can be between height differences of two telescoping control sensors and stabilized at a water level; and when the water level is raised or lowered, two telescoping control sensors are controlled to raise or lower simultaneously, and thus the impact of the water level on the landslide is controlled.

8 . The landslide experimental method for simulating a constant seepage flow according to claim 7 , characterized in that: in the step 3, the wat

Assignees

• Tang Huiming
• Fang Kun
• Jiang Yaofei
• Zhang Yi
• Wu Jin
• Jiang Qiangqiang
• Tan Qinwen

Inventors

• Tang Huiming
• Fang Kun
• Jiang Yaofei
• Zhang Yi
• Wu Jin
• Jiang Qiangqiang
• Tan Qinwen

Classifications

• G01N2203/0071

  Creep · CPC title

• G01N2203/0218

  Calculations based on experimental data · CPC title

• G09B23/40

  for geology · CPC title

• G01N2203/0062

  Crack or flaws · CPC title

• E03C1/055

  Electrical control devices, e.g. with push buttons, control panels or the like · CPC title