Progressive Collapse Resistance Mechanism of RC Frame Structure Considering Reinforcement Corrosion

Table 1

Material properties of steel reinforcement.

Corrosion rate η/%	Diameter of steel bar/mm	Yield strength fy/MPa	Ultimate strength fu/MPa	Elongation δ/%
0	6	348	486	25.4
	12	438	577	16.6
	16	466	605	16
4.8	6	324	453
	12	408	538	15.1
10	6	296	413
	12	373	490	13.15
4.2	6	270	376
	12	340	447	11.7
20	6	307	404
	12	307	403	9.7
25	6	218	304
	12	274	360	7.98
28.6	6	192	267
	12	250	329	7.1