UHTCC与钢材界面的剪切型断裂试验研究

李庆华,暴宁,王国仲

Experimental study on interface shear fracture of UHTCC and steel

Qing-hua LI,Ning BAO,Guo-zhong WANG

表 5 试件编号及断裂参数

Tab.5 Specimen IDs and critical parameters

试件 Pc/kN σc /MPa KIIc/ （MPa·m1/2） |ψ|/（°） A1 489.51 48.95 6.89 83.16 A2 457.93 45.79 6.44 86.22 A3 376.91 37.69 5.30 85.95 A4 471.98 47.20 6.64 82.19 A6 458.32 45.83 6.45 82.86 A7 418.81 41.88 5.89 83.68 A9 350.57 35.06 4.93 85.80 B1 558.38 55.84 7.86 84.17 B2 460.62 46.06 6.48 84.57 B4 367.78 36.78 5.18 83.89 B5 374.74 37.47 5.27 83.08 B6 444.13 44.41 6.25 81.76 B7 335.10 33.51 4.72 84.71 B8 351.28 35.13 4.94 85.01 C1 385.09 38.51 5.42 83.13 C2 525.86 52.59 7.40 84.08 C4 392.78 39.28 5.53 82.16 C5 489.59 48.96 6.89 81.91 C8 319.30 31.93 4.49 83.61 C9 358.42 35.84 5.04 85.75