Safety Assessment in Road Construction Work System Based on Group AHP-PCA

Table 1

Type and proportion of statistical accidents.

Type	Number	Proportion (%)
Explosion	9	4.52
Vehicle injury	8	4.02
Electric shock	5	2.51
Falling	35	17.59
Fire	4	2.01
Mechanical accident	20	10.05
Leakage	8	4.02
Collapse	71	35.68
Object strike	33	16.58
Others	6	3.02
Sum	199	100