Conference Proceedings
Mine Planning and Equipment Selection (MPES) 2010
Conference Proceedings
Mine Planning and Equipment Selection (MPES) 2010
Fundamental Study on Fracturing Grouting for Shaft Lining Reinforcement at Deep Alluvium Seam in Eastern China
Many problems result when coal mine shafts are built in complicated geological conditions and serious shaft lining ruptures have often occurred in the eastern part of China since 1987. Grouting is applied as one of the major measurements for shaft lining ruptures. However, as the general location of reinforcement grouting for shaft lining is deep in or near the bottom aquifer, while using cement grout as the grouting material, the grouting mostly belongs to fracturing grouting in deep alluvium. In these conditions, the mechanism and behavior of fracturing grouting has not yet been understood. From these points of view, this paper describes the mechanism of shaft lining rupture and fracturing grouting and then discusses the effect of grout injection on the stability of shaft lining by means of numerical analysis and field data obtained so far._x000D_
FORMAL CITATION:Yu, Q, Shimada, H, Sasaoka, T and Matsui, K, 2010. Fundamental study on fracturing grouting for shaft lining reinforcement at deep alluvium seam in Eastern China, in Proceedings Mine Planning and Equipment Selection (MPES) 2010, pp 623-636 (The Australasian Institute of Mining and Metallurgy: Melbourne).
FORMAL CITATION:Yu, Q, Shimada, H, Sasaoka, T and Matsui, K, 2010. Fundamental study on fracturing grouting for shaft lining reinforcement at deep alluvium seam in Eastern China, in Proceedings Mine Planning and Equipment Selection (MPES) 2010, pp 623-636 (The Australasian Institute of Mining and Metallurgy: Melbourne).
Contributor(s):
Q Yu, H Shimada, T Sasaoka, K Matsui
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