Experimental Investigation on Flexural Crack Control for High-Strength Reinforced-Concrete Beam Members

International Journal of Concrete Structures and Materials

Table 1 HSRC Beam Specimens of the past researches (Chiu et al. 2014, 2016).

Spec.	N	C _c (mm)	S (cm)		f _y (MPa)	f _yt (MPa)	\( f^{\prime}_{c}\) (MPa)	a/d	ρ_t (%)	ρ_s (%)
Spec.	N	C _c (mm)	Left	Right	f _y (MPa)	f _yt (MPa)	\( f^{\prime}_{c}\) (MPa)	a/d	ρ_t (%)	Left	Right
8H70	8	40	20	30	685	785	88.7	3.33	1.7	0.32	0.21
8H100	8	40	20	30	685	785	98.6	3.33	1.7	0.32	0.21
8N70	8	40	20	30	685	420	93.5	3.33	1.7	0.32	0.21
8N100	8	40	20	30	685	420	103.5	3.33	1.7	0.32	0.21
8NS100	8	40	Non-stirrup		685	–	105.1	3.33	1.7	–
12H70	12	40	20	30	685	785	88.7	3.33	2.5	0.32	0.21
12H100	12	40	20	30	685	785	98.6	3.33	2.5	0.32	0.21
12N70	12	40	20	30	685	420	93.5	3.33	2.5	0.32	0.21
12N100	12	40	20	30	685	420	103.5	3.33	2.5	0.32	.021
12NS100	12	40	Non-stirrup		685	–	105.1	3.33	2.5	–
6W70	6	40	20	30	685	785	73.7	3.33	2.02	0.32	0.21
6H70	6	40	20	30	685	785	70.7	3.33	2.02	0.32	0.21
175R70	6	40	30		685	785	87.9	1.75	3.5	0.24
200R70	6	40	30		685	785	91.2	2	3.5	0.24
275R70	6	40	30		685	785	76.8	2.75	3.5	0.24
325R70	6	40	30		685	785	75.5	3.25	3.5	0.24
175R100	6	40	30		685	785	90.4	1.75	3.5	0.24
200R100	6	40	30		685	785	92.3	2	3.5	0.24
275R100	6	40	30		685	785	83.1	2.75	3.5	0.24
325R100	6	40	30		685	785	87.1	3.25	3.5	0.24

N is the number of the tensile reinforcing bars, f_yt is the specified yielding stress of the transverse reinforcement, a/d is the ratio of the shear span to the effective depth of a section, ρ_t is the ratio of main bars, ρ_s is the ratio of the transverse reinforcement.