Numerical simulation and validation of local wind environment of twin-box girder with wind barriers

Advances in Bridge Engineering

Table 5 CRF for different types of wind barriers

No.	crossbars (mm)	A	B	C	upstream mean	D	E	F	downstream mean	overall mean
1	2 100 × 100	0.99	0.93	0.89	0.94	0.82	0.81	0.80	0.81	0.88
2	2 150 × 100	0.97	0.89	0.85	0.90	0.77	0.76	0.74	0.76	0.83
3	2 200 × 100	0.94	0.85	0.81	0.87	0.71	0.69	0.56	0.65	0.76
4	3 100 × 100	0.97	0.90	0.86	0.89	0.77	0.76	0.69	0.74	0.82
5	4 100 × 100	0.94	0.87	0.82	0.88	0.72	0.71	0.75	0.73	0.81
6	4 150 × 100	0.88	0.78	0.72	0.83	0.59	0.58	0.58	0.58	0.71
7	4 200 × 100	0.82	0.70	0.63	0.72	0.50	0.47	0.46	0.48	0.60
8	4 200 × 100, 3.6 m	0.83	0.71	0.67	0.74	0.54	0.52	0.50	0.52	0.63
9	4 200 × 80	0.80	0.67	0.59	0.69	0.45	0.43	0.42	0.43	0.56
10	5 200 × 80	0.71	0.58	0.51	0.61	0.35	0.33	0.32	0.33	0.47
11	6 150 × 80	0.75	0.61	0.54	0.63	0.38	0.36	0.34	0.36	0.50
12	5 200 × 80, single row	0.77	0.64	0.57	0.66	0.45	0.43	0.42	0.43	0.55