Influence of Beam-to-Column Linear Stiffness Ratio on Failure Mechanism of Reinforced Concrete Moment-Resisting Frame Structures

Table 1

Range of beam-to-column linear stiffness ratio for different aseismic grades.

Concrete strength	Aseismic grade 1		Aseismic grade 2		Aseismic grade 3		Aseismic grade 4
	Minimum	Maximum	Minimum	Maximum	Minimum	Maximum	Minimum	Maximum
C30	0.0781	0.4854	0.0753	0.4690	0.0672	0.4192	0.0643	0.4009
C35	0.0876	0.5811	0.0817	0.5403	0.0728	0.4811	0.0695	0.4595
C40	0.0975	0.6693	0.0897	0.6321	0.0794	0.5594	0.0745	0.5249
C45	0.1365	0.7625	0.1281	0.7175	0.1127	0.6200	0.1039	0.5715
C50	0.1495	0.8649	0.1372	0.7941	0.1158	0.6706	0.1101	0.6375
C55	0.1657	0.9635	0.1531	0.8813	0.1271	0.7394	0.1206	0.7016
C60	0.1805	1.0837	0.1608	0.9655	0.1348	0.8071	0.1300	0.7787