Durability Environmental Regionalization for Concrete Structures

Table 3

Detecting data of concrete structures (extract).

Sample number	Durability environmental regionalization index
	Concrete carbonation depth (mm)	Surface chloride concentration (%)	Ambient temperature (°C)	Ambient relative humidity (%)	Durability damage level
1	17	1.39	23.91	80	3
2	27	0.80	23.25	72	1
3	18	2.18	23.5	79	3
4	16	1.59	23.94	83	4
5	9	1.98	23.31	85	4
6	22	0.80	23.25	75	2
7	20	2.18	23.67	80	3
8	28	0.01	22.46	74	2
9	26	0.20	22.59	72	1
10	17	2.78	23.28	79	3
11	25	0.39	22.32	74	2
12	7	2.18	23.17	86	4
13	12	2.97	23.88	84	4
14	16	1.19	22.66	84	4
15	21	0.60	23.12	78	3
16	26	0.99	22.47	73	2
17	21	2.58	22.9	80	3
18	10	2.18	23.55	85	4
19	22	0.99	22.41	80	3
20	10	2.38	22.74	86	4
𝑥𝑘	18.50	1.52	23.12	79.45	2.95
𝑠𝑘	6.26	0.88	0.51	4.76	0.97