一般大气环境下锈蚀结构钢表面特征与随机模型

王友德,徐善华,李晗,张海江

Surface Characteristics and Stochastic Model of Corroded Structural Steel Under General Atmospheric Environment

Youde WANG,Shanhua XU,Han LI,Haijiang ZHANG

表3 锈坑特征参数统计结果

Table 3 Characteristic parameters of corrosion pits of steel plates

Sample No.	P_d / cm^-2		μ_h		σ_h		μ $_{A_{r}}$		σ $_{A_{r}}$
Sample No.	Side A	Side B	Side A	Side B	Side A	Side B	Side A	Side B	Side A	Side B
A1	22.2	19.1	4.91	5.09	0.19	0.16	1.58	1.55	0.55	0.53
A2	20.5	20.1	5.21	5.35	0.20	0.18	1.56	1.62	0.69	0.63
A3	19.4	18.5	5.68	5.51	0.07	0.10	0.90	1.43	0.61	0.59
A4	16.2	17.2	5.75	5.80	0.11	0.21	0.94	0.85	0.60	0.63
A5	12.5	13.2	5.63	5.82	0.13	0.14	1.21	0.92	0.64	0.66
A6	10.1	11.5	5.88	5.95	0.24	0.16	1.33	0.95	0.63	0.60
HTF	20.2	6.4	5.46	6.47	0.53	0.38	0.97	0.34	0.69	0.69
HBF	6.9	7.5	6.38	6.23	0.39	0.31	0.72	0.72	0.54	0.68
HW	9.4	11.5	6.34	5.98	0.34	0.21	0.16	0.25	0.5	0.53
STF	15.7	7.6	5.40	6.35	0.40	0.44	1.24	0.61	0.64	0.66
SBF	13.4	10.7	5.88	5.72	0.67	0.48	0.43	0.57	0.62	0.60
SW	8.6	6.8	5.89	6.46	0.38	0.36	1.07	0.68	0.51	0.51
VTF	15.3	14.6	5.49	5.80	0.47	0.63	0.58	0.24	0.49	0.62
VBF	11.0	13.3	6.09	6.27	0.50	0.34	0.28	0.24	0.56	0.56
VW	12.2	14.5	5.91	5.70	0.35	0.39	0.69	0.73	0.49	0.59