Abstract
The lever type multifunctional plane strain model test equipment is mainly composed of the basic frame, loading system, data acquisition and measurement system, and auxiliary device. Its biggest feature is the "multiple use of one machine", which means a variety of geomechanical tests can be carried out with one equipment. The load is carried out by the principle of double lever amplification. The load can be altered by changing the counterweight at the end of the rod. Since the counterweight is determined, the load is constant. Equipped with an automatic device integrating mining, chip removal, support and monitoring, it can realize quantitative mining, timely chip removal, temporary support, real-time monitoring, improve automation and intelligence of model test, which is closer to the simulated engineering practice. The equipment has excellent mechanical properties and can meet the needs of different geotechnical engineering research.
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