Table 7 Initial value of risk factors.

From: Study on statistical analysis and prevention of coal and gas outburst accidents in Guizhou Province

Factor

Initial value

Factor

Initial value

Personnel risk

0.57

Aging degree of intelligent equipment

0.41

Equipment risk

0.49

Coal mining underground wind speed

0.36

Environment risk

0.44

Coal mining underground space suitability

0.32

Management risk

0.43

Coal mining underground visibility

0.42

Physical and mental quality of the workers

0.38

Coal mining underground engineering layout

0.46

Safety awareness of the workers

0.42

Coal mining underground temperature

0.39

Working hours of the workers

0.45

Coal mining depth

0.42

Ability of the safety management personnel

0.58

Effectiveness of safety measures

0.47

Configuration degree of intelligent monitoring system

0.61

Soundness of safety rules and regulations

0.39

Load degree of intelligent equipment

0.48

Safety supervision level

0.52

Safety of intelligent equipment components

0.31

Safety training and education

0.46