Carbonation Characteristics and Bearing Capacity Attenuation of Loaded RC Beam Coupled with Chloride Erosion

Table 1

Specimens and test arrangement.

Group number	Specimen number		Specimen size (mm)	Corrosion test				Load test
	C40	C50		Carbonation	Chloride corrosion	Stress state	Stress at beam bottom (MPa)
SP1	SP1-40	SP1-50	150 × 150 × 150	Yes	—	—	—	—
SP2	SP2-40	SP2-50	150 × 150 × 150	Yes	Yes	—	—	—
SP3	SP3-1-40	SP3-1-50	100 × 150 × 750	Yes	Yes	Axial compression	0.3fc	—
	SP3-2-40	SP3-2-50					0.5fc
	SP3-3-40	SP3-3-50					0.7fc
SP4	SP4-0-40	SP4-0-50	100 × 150 × 1500	—	—	—	—	Bending test
	SP4-1-40	SP4-1-50		Yes	Yes	Pure bending	0
	SP4-2-40	SP4-2-50					0.3ft
	SP4-3-40	SP4-3-50					0.5ft
SP5	SP5-0-40	SP5-0-50	100 × 150 × 750	—	—	—	—	Shear test
	SP5-1-40	SP5-1-50		Yes	Yes	Compression-bending	0
	SP5-2-40	SP5-2-50					0.15fc
	SP5-3-40	SP5-3-50					0.3fc