Abstract
The thick sandstone aquifer of the Cretaceous Yijun formation is rich in water and poor in predictability. Under this circumstance, the issue of the main inclined shaft of the mine in western China has been studied. Then, the comprehensive geophysical method is used in the field for advanced exploration and prediction. Based on the mine transient electromagnetic method and direct current resistivity method, the comprehensive advanced detection is carried out. Furthermore, the low resistance area in front is determined, the geological anomaly position and characteristics in front of the head are judged, and the water rich area of the detection is qualitatively evaluated, which provides support for the formulation of production technology scheme. The driving construction verification shows that the result of comprehensive geophysical exploration is basically consistent with the actual one of the shaft, and the detection accuracy of the relatively rich water area reaches over 80% which demonstrates that the comprehensive geophysical exploration method can be effectively applied into the construction of inclined shaft driving.
Highlights
During the driving of the inclined shaft of a mine, aquifer sections are often encountered
Based on the research background that the inclined shaft of the mine will pass through the thick sandstone aquifer of the Cretaceous Yijun formation in the process of driving, the comprehensive geophysical exploration technology combined with transient electromagnetic method and direct current resistivity method is used for tracking and detection
This paper explores the effective advanced detection method of inclined shaft passing through aquifer section in western mines of China and provides support for the formulation of production technical scheme
Summary
During the driving of the inclined shaft of a mine, aquifer sections are often encountered. Meng et al used the surface direct current detection method to detect the thickness and water bearing characteristics of inclined shaft passing through the quicksand layer in advance, avoiding the occurrence of safety accidents [4] All of these studies have justified the effectiveness of geophysical methods in tracking detection of water bearing body in the process of inclined shaft driving. Based on the research background that the inclined shaft of the mine will pass through the thick sandstone aquifer of the Cretaceous Yijun formation in the process of driving, the comprehensive geophysical exploration technology combined with transient electromagnetic method and direct current resistivity method is used for tracking and detection. This paper explores the effective advanced detection method of inclined shaft passing through aquifer section in western mines of China and provides support for the formulation of production technical scheme
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