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CN-122024574-A - Seabed landslide simulation experiment equipment

CN122024574ACN 122024574 ACN122024574 ACN 122024574ACN-122024574-A

Abstract

The invention relates to the technical field of ocean geological disaster simulation, in particular to a submarine landslide simulation experiment device which comprises a model box and a landslide model module in the model box, wherein the system comprises a flexible substrate and a dynamic substrate modeling module below the flexible substrate, the dynamic substrate modeling module adopts independent control actuator units which are arranged in a matrix mode, the flexible substrate forms a programmable complex terrain by accurately adjusting the output height of each unit, a device integrated wave generating module and a vibration loading device realize multi-field coupling load simulation, and a data acquisition module formed by a distributed optical fiber sensing network and a high-speed camera monitors the landslide evolution process in real time, so that the technical problem that the traditional submarine landslide simulation experiment device cannot simulate a complex geological structure and a multi-factor coupling trigger mechanism is solved, and high-precision reduction and mechanism analysis of the submarine landslide progressive damage process are realized.

Inventors

  • SUN YANQIN
  • DU WENBO
  • WANG ZHENHONG
  • LU LINFENG
  • WANG FANGTONG
  • FAN HONGSHEN

Assignees

  • 中国电建集团华东勘测设计研究院有限公司
  • 浙江华东岩土勘察设计研究院有限公司

Dates

Publication Date
20260512
Application Date
20260127

Claims (8)

  1. 1. The utility model provides a seabed landslide simulation experiment equipment, its characterized in that includes model case (1) and landslide model module (2), landslide model module (2) are established in model case (1), landslide model module (2) are including flexible substrate (201) and be located dynamic substrate molding module (202) of flexible substrate (201) below, dynamic substrate molding module (202) are including a plurality of executor units (3) of matrix arrangement, the upper and lower extreme of executor unit (3) are connected with the lower surface of flexible substrate (201) and the lower surface of model case (1) inner wall respectively, be equipped with wave generation module (6) on the one end that flexible substrate (201) were kept away from to model case (1), wave generation module (6) are including drive arrangement (601) and wave making board (602), install control module (4) on the lateral wall of model case (1), drive arrangement (601) and control module (4) electric connection.
  2. 2. The submarine landslide simulation experiment device according to claim 1, wherein the actuator unit (3) comprises a piston airbag (301) and piston rods (302), the piston rods (302) are connected with the piston airbag (301), an air pump (306) and an air channel control valve (307) are arranged on the side wall of the model box (1), one end of the air channel control valve (307) is connected with the air pump (306), the other end of the air channel control valve (307) is connected with each piston airbag (301), and the air channel control valve (307) is electrically connected with the control module (4).
  3. 3. The submarine landslide simulation experiment device according to claim 2, wherein the piston rods (302) are provided with ball heads (303), the lower end face of the flexible substrate (201) is provided with a plurality of flexible trays (305), one flexible tray (305) is arranged above each piston rod (302), the lower end face of each flexible tray (305) is provided with a ball seat (304), and the ball heads (303) are hinged with the ball seats (304) corresponding to the positions.
  4. 4. The submarine landslide simulation experiment device according to claim 3, wherein an electromagnetic vibration exciter (5) and a partition plate are installed at the bottom of the model box (1), the partition plate is located between the electromagnetic vibration exciter (5) and the piston airbag (301), and the electromagnetic vibration exciter (5) is electrically connected with the control module (4).
  5. 5. A submarine landslide simulation experiment device according to claim 4, wherein a reinforcing sleeve (308) is coaxially arranged in the piston airbag (301), and the lower end of the piston rod (302) is slidably connected in the reinforcing sleeve (308).
  6. 6. The submarine landslide simulation experiment equipment according to claim 1, wherein a model body (701) is preset on the flexible substrate (201), a data acquisition module (7) is arranged in the model box (1), and the data acquisition module (7) comprises at least one of a distributed optical fiber sensing network (702) and a high-speed camera which are pre-buried in the model body (701).
  7. 7. The submarine landslide simulation experiment device according to claim 1, wherein the flexible substrate (201) is made of high-strength rubber or polyurethane materials, and a sealing pressing strip (8) is arranged at the joint of the edge of the flexible substrate (201) and the inner wall of the model box (1).
  8. 8. The submarine landslide simulation experiment device according to claim 7, wherein at least one layer of tensile fiber grid (9) is compounded in the flexible substrate (201), and the fiber grid (9) is made of aramid fiber, glass fiber or high-strength polyethylene materials.

Description

Seabed landslide simulation experiment equipment Technical Field The invention relates to the technical field of marine geological disaster simulation, in particular to submarine landslide simulation experiment equipment. Background The submarine landslide is an important research topic in the field of ocean engineering geology, particularly a progressive submarine landslide, has hidden damage process and strong accumulation, forms serious threat to submarine pipelines, drilling platforms and other infrastructures, and has important significance in developing a damage mechanism, predicting stability and preventing and curing of the submarine landslide, particularly experimental equipment capable of effectively simulating the progressive damage process. Aiming at the problems, the prior art provides solutions, for example, the utility model patent with the patent application number of CN202322818820.9 discloses a test device for simulating progressive seabed landslide, which represents a typical scheme of the prior art, and has the core innovation points that a model box, a landslide model system, a wave generating system and a data acquisition system are integrated into a whole to construct a complete physical model test platform, different stratum dip angles can be simulated through an angle-adjustable model stacking plate and an angle adjusting plate, and wave parameters can be adjusted through changing a wave making plate and controlling a driving device, so that different ocean power conditions are simulated. However, the above scheme has some problems that the device simulates a landslide surface mainly through an inclined model stacking plate, which essentially simulates a homogeneous or nearly homogeneous single sliding surface, and the actual seabed landslide body often has a complex layer structure, weak interlayer or fault discontinuous surface and the like, which have decisive influence on the starting and progressive damage paths of the landslide, and the prior device is difficult to construct and simulate the complex internal geological structure, so that the reduction degree of the complex internal geological structure to the real landslide mechanism is limited. Disclosure of Invention The invention aims to provide a submarine landslide simulation experiment device, which aims to solve the problems that the existing submarine landslide simulation experiment device is difficult to construct and simulate discontinuous surfaces such as a complex bedding structure, a weak interlayer or a fault exist in an actual submarine landslide body. In order to achieve the above purpose, the present invention provides the following technical solutions: The utility model provides a seabed landslide simulation experiment equipment, including model case and landslide model module, landslide model module establishes in the model case, landslide model module includes flexible substrate and the dynamic substrate who is located flexible substrate below mould the module, dynamic substrate moulds the module and includes a plurality of executor units of matrix arrangement, the upper and lower end of executor unit is connected with the lower surface of flexible substrate and the lower surface of model incasement wall respectively, be equipped with wave generation module on the one end that the model case kept away from flexible substrate, wave generation module includes drive arrangement and makes unrestrained board, install control module on the lateral wall of model case, drive arrangement and control module electric connection. Preferably, the actuator unit comprises a piston airbag and a piston rod, the piston rod is connected with the piston airbag, an air pump is arranged on the side wall of the model box, air channel control valves are respectively connected between the air pump and each piston airbag, and the air channel control valves are electrically connected with the control module. Preferably, a ball head is arranged on the piston rod, a plurality of flexible trays are arranged on the lower end face of the flexible substrate, one flexible tray is arranged above each piston rod, a ball seat is arranged on the lower end face of each flexible tray, and the ball head is hinged with the ball seat corresponding to the position. Preferably, the bottom of the model box is provided with an electromagnetic vibration exciter and a baffle plate, the baffle plate is positioned between the electromagnetic vibration exciter and the piston airbag, and the electromagnetic vibration exciter is electrically connected with the control module. Preferably, the piston airbag is coaxially provided with a reinforcing sleeve, and the lower end of the piston rod is slidably connected in the reinforcing sleeve. Preferably, the flexible substrate is provided with a model body in advance, a data acquisition module is arranged in the model box, and the data acquisition module comprises at least one of a distributed optical fiber sensing