Table 5 Cloud modeling parameters.

From: Coal and gas protrusion risk evaluation based on cloud model and improved combination of assignment

Evaluating indicator

Cloud model parameters

U11

(67.7,2.63,0.833)

U12

(68.1,2.38,0.122)

U13

(68.6,2.46,0.482)

U14

(69.2,2.51,0.572)

U21

(67.6,2.91,0.692)

U22

(67.9,2.41,0.295)

U23

(66.7,3.21,0.711)

U24

(67.3,1.88,0.836)

U25

(67.2,3.76,1.896)

U31

(69.0,2.76,0.519)

U32

(61.2,3.13,0.531)

U33

(65.5,2.13,1.137)

U34

(68.2,1.50,0.602)