Testing device and testing method for two-dimensional similar soil model

Abstract

The invention discloses a testing device and a testing method for a two-dimensional similar soil model. The testing device comprises a two-dimensional similar soil model box and similar soil. The two-dimensional similar soil model box comprises an outer frame, a fixed baffle plate system, similar soil, a model box bearing table, a movable baffle plate system, a jack, a T-shaped plate, double nosegirders, a T-shaped plate limiting groove and a chute. The multifunctional model box can change the dimension of a box body by changing the position of the T-shaped plate and different members can beprefabricated on the upper part of the T-shaped plate to simulate different tests. Filler similar soil adopts an oval cross section of a bar body to increase the resistant torque, so that the similarsoil is closer to a real soil body. Different soil body weights can be simulated by adjusting the proportioning ratio of different materials. The testing device can be widely applied to a two-dimensional discrete element simulation test.

Description

technical field [0001] The invention discloses a two-dimensional similar soil model test device and a test method, belonging to the technical field of geotechnical engineering. Background technique [0002] With the development of civil engineering in the 1960s, a new technical system gradually formed, that is, geotechnical engineering. Geotechnical engineering is to solve engineering problems of rock and soil. Typical geotechnical engineering problems include foundation and foundation engineering, slope retaining wall and underground engineering. [0003] With the continuous development of engineering technology, the research in the field of geotechnical engineering is also deepening. Due to the huge volume of the actual project, the complex engineering environment, and the many uncertain factors in the construction, this greatly increases the difficulty of geotechnical engineering research. In order to solve these problems, indoor model testing has become an indispensable...

AI Technical Summary

Problems solved by technology

Conventional geotechnical test boxes can only do one model test in one model box for the accuracy of the test; due to size limitations, it is difficult to adjust if problems occur during the test process, and it is easy to cause waste. Soil is an anisotropic material. Doing experiments has its inevitability, but sometimes it will cause difficulties for the experiments. In some experiments, some irrelevant properties and irrelevant parameters will affect the accuracy of the experiments.

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