Experimental and Numerical Study on Tensile Strength of Concrete under Different Strain Rates

Table 3

Summary of strain rate tests.

Specimen number	Loading rate (kN/s)	Time to failure (s)	Maximum load (kN)	Strain rate (s^−1)	Splitting tensile strength (MPa)	DIF
w101107	0.25	449.68	122.70	2.57×10^−7	3.47	1
w101201		535.03	124.70	2.20×10^−7	3.52	1
w101304		472.37	121.00	2.42×10^−7	3.42	1
w101407	2.5	51.03	143.00	2.64×10^−6	4.04	1.16
w101103		56.66	141.50	2.35×10^−6	4.00	1.15
w100812		48.96	132.20	2.54×10^−6	3.74	1.07
w100807	25	5.72	162.40	2.67×10^−6	4.59	1.32
w101203		6.72	167.10	2.34×10^−5	4.72	1.36
w101804		6.1	157.60	2.43×10^−5	4.45	1.28
w101802	250	0.42	175.70	3.95×10^−4	4.97	1.43
w101206		0.64	180.10	2.65×10^−4	5.09	1.46
w101703		0.51	186.60	3.45×10^−4	5.27	1.51