钢板-混凝土组合板抗剪承载性能的试验研究与数值分析  

EXPERIMENTAL STUDY AND NUMERICAL SIMULATION OF THE SHEAR CAPACITY OF STEEL PLATE-CONCRETE COMPOSITE SLABS

作　　者：吴丽丽[1] 李佳蔚[1] 邢瑞娇 安丽佩 

机构地区：[1]中国矿业大学(北京)力学与建筑工程学院,北京100083

出　　处：《工程力学》2016年第10期173-182,共10页Engineering Mechanics

基　　金：国家自然科学基金项目(51278488;50808110);北京高等学校青年英才计划项目(YETP0942)

摘　　要：主要通过试验研究与数值模拟,分析钢板-混凝土组合板在受剪状态下的承载力、变形、裂缝发展情况以及钢板与混凝土参与抗剪程度等。进行了3块钢板-混凝土组合板试件和1块无钢板混凝土试件的抗剪承载力试验。结果表明:钢板-混凝土组合板试件的剪切破坏形式主要是斜拉破坏;钢板承担了约50%以上总剪力,由于钢板的协同作用,混凝土承担的剪力与按照规范计算的混凝土抗剪承载力相比有较大幅度的提高;随着栓钉间距的增大,构件的抗剪承载力减小。基于修正压力场理论对ABAQUS进行了材料层面的二次开发,建立了适合钢板-混凝土组合板抗剪分析的数值仿真模型,模拟结果与试验结果吻合较好。The shear capacity, deflection, crack development and contribution of steel and concrete of steel plate-concrete composite slab under shear, were investigated through experimental study and numerical simulation. Tests of 3 composite slab specimens and 1 concrete specimen without the steel plate were conducted to study the shear bearing capacity of the composite slabs. The results show that the shear failure mode mainly presents typical diagonal tension failure. The steel plate takes more than 50% of the total shear, and the concrete takes much more shear resistance than the calculated value according to the Chinese specification, due to the synergistic effect of the steel plate. With the increase of stud spacing, the shear capacity decreases. The numerical analysis model of steel plate-concrete composite slab is proposed by introducing the modified compression field theory （MCFT） into the nonlinear analysis through secondary development on the material module by ABAQUS software. The calculation results are found to be in accordance with the test results.

关 键 词：钢板-混凝土组合板 试验研究 数值分析 修正压力场理论 抗剪承载力 

分 类 号：TU398.9[建筑科学—结构工程] TU317.1