Table 5 Results from MDCT tests.
From: Modified Disk-Shaped Compact Tension Test for Measuring Concrete Fracture Properties
Concrete | W (mm) | α | COD 0 (mm) | COD u (mm) | A (Nmm2) | W f·NM (Nmm) | W f·M (Nmm) | W f·T (Nmm) | A lig (mm2) | G F (N/m) |
|---|---|---|---|---|---|---|---|---|---|---|
NSC–MD CT | 105 | 0.1 | 0.67 | 1.25 | 61 ± 14% | 49 ± 13% | 557 ± 18% | 607 ± 16% | 3748 ± 1% | 161.9 ± 3% |
0.3 | 0.50 | 0.96 | 39 ± 11% | 41 ± 14% | 689 ± 15% | 730 ± 15% | 4528 ± 1% | 161.4 ± 15% | ||
0.5 | 0.75 | 1.50 | 104 ± 8% | 70 ± 19% | 934 ± 8% | 1004 ± 11% | 6177 ± 1% | 162.6 ± 5% | ||
112.5 | 0.1 | 0.75 | 1.25 | 79 ± 15% | 52 ± 12% | 498 ± 12% | 550 ± 11% | 3343 ± 1% | 164.0 ± 11% | |
0.3 | 0.50 | 0.80 | 48 ± 14% | 66 ± 4% | 712 ± 13% | 778 ± 13% | 5014 ± 1% | 155.2 ± 13% | ||
0.5 | 0.60 | 1.50 | 59 ± 9% | 53 ± 14% | 895 ± 14% | 948 ± 15% | 5767 ± 1% | 164.4 ± 15% | ||
HSC–M DCT | 105 | 0.1 | 0.60 | 1.00 | 67 ± 18% | 72 ± 15% | 1175 ± 12% | 1253 ± 12% | 5835 ± 2% | 213.7 ± 13% |
0.3 | 0.60 | 1.00 | 67 ± 10% | 63 ± 19% | 950 ± 12% | 1016 ± 11% | 4580 ± 2% | 221.8 ± 12% | ||
0.5 | 0.55 | 0.93 | 62 ± 19% | 73 ± 25% | 620 ± 12% | 693 ± 14% | 3216 ± 1% | 215.5 ± 14% | ||
112.5 | 0.1 | 0.60 | 1.00 | 111 ± 15% | 112 ± 19% | 1300 ± 17% | 1427 ± 16% | 6326 ± 2% | 225.5 ± 14% | |
0.3 | 0.60 | 0.95 | 72 ± 12% | 91 ± 15% | 940 ± 17% | 1046 ± 19% | 4610 ± 4% | 223.7 ± 16% | ||
0.5 | 0.55 | 0.93 | 56 ± 11% | 41 ± 15% | 660 ± 7% | 692 ± 11% | 3388 ± 1% | 207.9 ± 8% |