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Indoor model test method for side slopes or landslides

A test method and indoor model technology, which is applied in the field of model test research of slopes and anti-slide piles, can solve the problems of high production cost, inconvenient operation, and single function of reaction force devices, so as to speed up the test progress, improve reliability, The effect of reducing test costs

Inactive Publication Date: 2018-11-30
BEIJING UNIV OF TECH
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Problems solved by technology

[0003] The separate loading model box has its limitations and shortcomings: (1) the position adjustment of the loading module is inconvenient; (2) a set of reaction device can only be used for one loading method (horizontal or vertical); ( 3) The production cost of the reaction force device is high; (4) the function is single and the operation is inconvenient

Method used

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  • Indoor model test method for side slopes or landslides
  • Indoor model test method for side slopes or landslides
  • Indoor model test method for side slopes or landslides

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Experimental program
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Embodiment Construction

[0034] The multifunctional self-balancing indoor model test chamber is composed of standard section steel through welding and bolt connection. The indoor model test chamber is composed of two systems: Ⅰ counter force loading system, Ⅱ model box body.

[0035] The reaction loading system can realize three loading modes: the first horizontal loading mode (slope or landslide), the second horizontal loading mode (horizontal force on the pile), and vertical loading mode (vertical force on the pile). According to the specific test plan, other sensors are arranged to monitor related test items.

[0036] The reaction frame is composed of three beams, each beam is made of two channel steel stacked back to back, and the beams of the reaction frame are used between the beams screw connection. The loading unit is composed of four parts: customized two-way hydraulic jack, force sensor, fixing piece and fully automatic hydraulic control system.

[0037] The net size inside the model box ...

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Abstract

The invention discloses an indoor model test method for side slopes or landslides, and belongs to the field of indoor experimental research of geotechnical engineering. According to the method, a model is produced in the box body of a model box; a reaction force beam (5) is adjusted to a suitable position by adjusting a nut (6); a loading module comprising a bidirectional hydraulic jack (1), a force sensor (2) and a fixing member (4) is adjusted to a suitable position; other sensors are arranged; and a hydraulic control system is started. According to the present invention, the converting of the loading mode is convenient, wherein the first horizontal loading mode is converted into the second horizontal loading mode by only adjusting the positions of the corresponding nut and the loading module, and the horizontal loading mode is converted into the vertical loading mode only by disassembling the whole reaction force frame, connecting the whole reaction force frame to the vertical connection member of the box body and adjusting the positions of each corresponding nut and the loading module.

Description

technical field [0001] The invention belongs to the field of indoor model test research of geotechnical engineering, and is mainly used for model test research of side slopes (landslides) and anti-slide piles. Background technique [0002] Slopes (landslides) are common engineering problems. Anti-slide piles are an important support structure for slopes (landslides). Indoor model tests are an important means to study their bearing capacity characteristics. At present, indoor model boxes mostly use separate loading The method is to anchor the model box and the reaction device to the ground respectively, and set a loading module between them. [0003] The separate loading model box has its limitations and shortcomings: (1) the position adjustment of the loading module is inconvenient; (2) a set of reaction device can only be used for one loading method (horizontal or vertical); ( 3) The production cost of the reaction force device is high; (4) the function is single and the o...

Claims

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Application Information

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IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 翟恩地石世刚黄申孟晓伟
Owner BEIJING UNIV OF TECH
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