Parameters

Unit

Value

Parameters

Unit

Value

Average bench height

Meter

60.8

Coal bench angle

Degree

75

Bench height

Meter

72.5

Dumping pile angle

Degree

38

Bench width

Meter

80

Blasted stockpile settlement height

Meter

13.5

Average dumping pile height

Meter

60.8

Blasted stockpile height

Meter

31.5

Factor of loose

1.35

Efficiency throwing coefficient

Percent

25

Coal bench height

Meter

30

Coal road width

Meter

30

Rock bench angle

Degree

65