Estimation of Concrete Carbonation Depth Considering Multiple Influencing Factors on the Deterioration of Durability for Reinforced Concrete Structures

Table 5

Field investigation data (Building 3, construction completion year: 1981).

Measurement point	Member type	Concrete compressive strength (MPa)	Concrete carbonation depth (mm)	Cover depth (mm)	Crack width (mm)
B3P1	Beam	31.3	41.08	30	—
B3P2	Slab	29.9	34.74	25	—
B3P3	Beam	24.4	19.91	75	—
B3P4	Beam	24.5	41.3	55	—
B3P5	Wall	19.3	42.18	40	—
B3P6	Wall	26	29.49	40	—
B3P7	Beam	26	28.49	45	Surface finishing crack
B3P8	Slab	30.5	29.96	30	—
B3P9	Slab	29.3	9.62	40	—
B3P10	Beam	32.8	7.06	70	—
B3P11	Slab	25.6	11.26	30	—
B3P12	Beam	19.4	34.83	45	—
B3P13	Wall	22.5	38.34	30	—
B3P14	Wall	29.3	26.48	65	—
B3P15	Wall	20.2	32.06	75	—
B3P16	Wall	27.8	14.72	35	Surface finishing crack
B3P17	Beam	25.4	55.9	30	—
B3P18	Beam	25.5	51.41	40	—
B3P19	Slab	18.9	49.74	20	—
B3P20	Slab	25.2	44.05	30	—