Table 8 Variables related to infiltration and water protection.

From: Analytical prediction of groundwater loss in deep coal mines induced by ground vibration

Flux

Time (t (s))

0

1

2

3

4

5

6

7

8

9

10

Dd

0

−0.13

0.07

0.04

0.03

0.03

0.02

0.02

0.02

0.01

0.01

w

0

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

0.003

ϕ

0

−0.001

−0.11

−0.03

−0.02

−0.01

−0.01

−0.003

−0.002

−0.002

−0.001

q (z)

0

−0.003

−0.75

−0.37

−0.22

−0.15

−0.11

−0.09

−0.07

−0.06

−0.05

  1. q is the Darcy flux (m/s) ; ϕ is the soil porosity (%); w is the well discharge (m3/s), Dd is the drawdown.