Investigation on Dewatering of a Deep Shaft in Strong Permeable Sandy Pebble Strata on the Bank of the Yellow River

Table 2

Inverse analysis results of permeability coefficient (×10^-4 m/s).

Aquifers	Permeability coefficient
	2-10 pebble layer	5.83	7.52
3-11 pebble layer	5.41	6.60