Water level automatic control system of landslide physical model test

滑坡物理模型试验水位自动化控制系统

Abstract

一种滑坡物理模型试验水位自动化控制系统,包括水槽、控制柜和坡表信息采集装置;水槽为两个,分别用于设置在滑坡物理模型试验框架的前部和后部;两个水槽与滑坡模型接触的侧面分别设有若干组给排水孔;每一水槽的底部分别连接有进出水管道,在进水管道上设有水泵和进水电磁阀,在出水管道上设有排水电磁阀;两个水槽内分别设有液位变送器,用于监测水槽内的水位;控制柜与全部液位变送器、水泵、进水电磁阀和排水电磁阀分别连接,用于接收水位信号并控制各水泵和电磁阀的开关;坡表信息采集装置设置于滑坡物理模型试验框架前部的水槽上方。本系统能够高精度、全方位地监测库水位变化条件下滑坡坡表位移等参数,为滑坡稳定性研究提供重要依据。
A water level automatic control system of a landslide physical model test comprises water tanks, a control cabinet and a slope surface information acquisition device. Two water tanks are respectively arranged at the front and at the back of a landslide physical model test frame. Side faces of the two water tanks, which are contacted with a landslide model, are respectively provided with a plurality of groups of water feeding and discharging holes. Bottoms of the water tanks are connected with water inlet pipelines and water outlet pipelines respectively, water pumps and water inlet electromagnetic valves are arranged on the water inlet pipelines, and water outlet electromagnetic valves are arranged on the water outlet pipelines. Liquid level transmitters for monitoring water levels in the water tanks are arranged in two water tanks, the control cabinet is respectively connected with all the liquid level transmitters, the water pumps, the water inlet electromagnetic valves and the water outlet valves and used for receiving water level signals and controlling opening and closing of the water pumps and the electromagnetic valves, and the slope surface information acquisition device is arranged above the water tank arranged at the front of the landslide physical model test frame. The water level automatic control system of the landslide physical model test can monitor parameters of landslide surface displacement and the like under the condition of stored water level variation precisely and comprehensively and provide an important basis for landslide stability studies.

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