Experiment device for ground subsidence induced by underground water leakage and use method of experiment device

Abstract

The invention discloses an experiment device for ground subsidence induced by underground water leakage and a use method of the experiment device, and belongs to the technical field of geological hazard monitoring and warning. The experiment device comprises a soil tank, a water tank located below the soil tank and a collapse cylinder for connecting the water tank with the soil tank, wherein the upper end of the collapse cylinder extends into the soil tank, so that an inner cavity of the collapse cylinder is communicated with an inner cavity of the soil tank, a soil filter screen is arranged at one end, stretching into the soil tank, of the collapse cylinder, the lower end of the collapse cylinder stretches into the water tank to enable the inner cavity of the collapse cylinder to be communicated with an inner cavity of the water tank, and a negative pressure test sensor for testing pressure of the inner cavity of the collapse cylinder is arranged at one end, stretching into the water tank, of the collapse cylinder; a valve is arranged on the side wall of the water tank, and a water pump is connected with the side wall of the water tank to be used for testing water pressure in the water tank; a ground subsidence monitor for monitoring ground subsidence is mounted in the soil tank. The experiment device provides a scientific basis for effectively monitoring ground subsidence disaster and optimizing underground construction plans.

Description

technical field [0001] The invention belongs to the technical field of geological disaster monitoring and early warning, and relates to a test device for ground subsidence induced by groundwater leakage and a use method thereof. Background technique [0002] Ground collapse is a typical geological disaster. By the end of 2012, ground collapse events had occurred in 24 provinces and municipalities in my country, mainly distributed in Chongqing, Sichuan, Guizhou, Yunnan, Guangdong, Guangxi, Liaoning, Hebei, Jiangxi, Hubei, Hunan and other provinces and municipalities. So far, scholars at home and abroad have done a lot of research on the mechanism of karst collapse, and put forward theories of karst collapse prediction such as vacuum absorption theory, latent erosion theory, vibration theory, liquefaction theory, and gas explosion theory; Kyriaki Papadopoulou-Vryniotia et al. studied the various factors of karst collapse with geographic information system, and compiled the sus...

AI Technical Summary

Problems solved by technology

It can be seen that the above-mentioned studies mainly focus on the theoretical discussion of karst subsidence, and there is a lack of special test equipment that can be repeatedly used to explore the whole process of ground subsidence disaster development.

Images