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

Table 8

Road construction safety assessment indicators’ final weights and ranking based on group AHP-PCA and traditional GAHP.

Criteria	Weights		Subcriteria	Local weights		Global weights		Ranking
	GAHP-PCA	GAHP		GAHP-PCA	GAHP	GAHP-PCA	GAHP	GAHP-PCA	GAHP
Human factors (A)	0.2935	0.3330	Work attitude (A1)	0.2235	0.2341	0.0656	0.0780	3	2
			Body condition (A2)	0.1164	0.1362	0.0342	0.0454	13	10
			Professional skill (A3)	0.3597	0.2648	0.1056	0.0882	1	1
			Safety consciousness (A4)	0.1579	0.1874	0.0463	0.0624	7	3
			Psychological quality (A5)	0.1425	0.1775	0.0418	0.0591	9	4
Material factors (B)	0.1191	0.1272	Material quality (B1)	0.3621	0.3462	0.0431	0.0440	8	11
			Storage condition (B2)	0.1513	0.1752	0.0180	0.0223	22	21
			Sorting status (B3)	0.0702	0.1203	0.0084	0.0153	27	23
			Applicability feasibility (B4)	0.2187	0.1647	0.0260	0.0209	19	22
			Effectiveness (B5)	0.1977	0.1936	0.0235	0.0246	21	17
Equipment factors (C)	0.1714	0.1927	Equipment selection (C1)	0.1587	0.1462	0.0272	0.0282	18	16
			Running state (C2)	0.2364	0.2562	0.0405	0.0494	10	8
			Maintenance condition (C3)	0.3125	0.2951	0.0536	0.0569	5	6
			Protective measures (C4)	0.2924	0.3066	0.0501	0.0591	6	5
Management factors (D)	0.2663	0.2041	Previous preparation (D1)	0.2435	0.2621	0.0648	0.0535	4	7
			Safety facilities (D2)	0.1178	0.1124	0.0314	0.0229	16	20
			Safety education (D3)	0.2487	0.2351	0.0662	0.0480	2	9
			Safety check (D4)	0.1321	0.1531	0.0352	0.0312	12	13
			Technical clarification (D5)	0.1098	0.0543	0.0292	0.0111	17	25
			Emergency measures (D6)	0.1481	0.1830	0.0394	0.0374	11	12
Environmental factors (E)	0.1497	0.1429	Geographical environment (E1)	0.0912	0.0812	0.0137	0.0116	24	24
			Underground pipeline (E2)	0.0421	0.0641	0.0063	0.0092	28	26
			Surrounding buildings (E3)	0.0874	0.0521	0.0131	0.0074	25	28
			Weather effect (E4)	0.0621	0.0532	0.0093	0.0076	26	27
			Working environment (E5)	0.1145	0.2140	0.0171	0.0306	23	14
			Traffic condition (E6)	0.1682	0.1632	0.0252	0.0233	20	19
			Construction condition (E7)	0.2149	0.1674	0.0322	0.0239	15	18
			Site safety facilities (E8)	0.2196	0.2048	0.0329	0.0293	14	15