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- W3149777325 abstract "This case study describes the effects of a grouting process developed to decrease groundwater flow exiting from a ruptured mine ventilation shaft lining in Luling coal mine at Huaibei, China. The primary purpose of grouting at this site is to prevent groundwater flow into the mine from adjacent aquifers. The study supports a transport perspective to describe the miscible grout movement, and provides an approximate analytical method to determine grout concentration based on Wilson and Miller’s (1978) model. This study shows that the breakthrough curves (BTCs) established from the Wilson and Miller’s model match the experimental BTCs obtained from test grouting performed at the site, and Rd a retardation factor of 1.1 is determined. The retardation factor and the BTC are subsequently used to guide the actual production grouting. The monitored result shows that the groundwater inflow at the disrupted ventilation well has been reduced by 47% after drilling and grouting just one borehole. The discharge rate was measured at no more than 4 m3/h after completion of four injection boreholes, which is about 13% of the 30 m3/h before grouting.更多还原" @default.
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- W3149777325 date "2008-01-01" @default.
- W3149777325 modified "2023-09-23" @default.
- W3149777325 title "An Approximate Analytical Solution for Grout Transport Modeling： A Case Study in Luling Mining, China" @default.
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