装配式结构套筒灌浆连接的混凝土结合界面直剪性能试验研究

夏晋,甘润立,方言,赵羽习,金伟良

Experimental study on direct shear performance of concrete-concrete interface of prefabricated structure sleeve grouting connection

Jin XIA,Run-li GAN,Yan FANG,Yu-xi ZHAO,Wei-liang JIN

表 4 混凝土结合界面直剪试验结果

Tab.4 Direct shear test results of concrete-concrete interface

试件编号 Fc / kN Fca / kN sc / mm Fmax / kN Fmaxa / kN R sF，max / mm 试件破坏模式 A-1-1 75 83.0 0.066 1 82 88.3 1.00 0.072 2 界面破坏 A-1-2 84 0.064 0 89 0.081 6 A-1-3 90 0.070 4 94 0.080 1 A-2-1 86 93.3 0.026 8 96 101.0 1.14 0.034 5 A-2-2 86 0.041 0 90 0.051 6 A-2-3 108 0.026 1 117 0.037 0 A-3-1 167 143.3 0.028 0 152 149.3 1.69 0.028 0 A-3-2 158 0.012 3 158 0.012 3 A-3-3 105 0.026 1 138 0.026 1 B-1-1 124 90.0 0.042 5 145 139.3 1.58 1.402 0 界面破坏，下降段发生 局部破坏 B-1-2 76 0.151 2 133 1.617 3 B-1-3 70 0.132 8 140 0.734 0 B-2-1 76 96.3 0.121 0 175 166.7 1.89 2.659 0 B-2-2 85 0.142 9 154 1.129 2 B-2-3 128 0.401 3 171 2.016 8 C-1-1 368 367.0 2.939 0 526 535.0 6.06 5.268 0 界面破坏 C-1-2 351 2.133 7 524 5.000 4 C-1-3 382 2.124 5 555 3.872 1 C-2-1 538 483.7 2.629 8 730 690.0 7.81 3.441 0 界面破坏伴随局部裂缝 C-2-2 468 2.775 1 660 4.250 0 C-2-3 445 2.000 5 680 2.792 1