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混凝土铺装层与空心板紧密结合,会参与整体受力。结合一座钢筋混凝土空心板桥静动载试验,分别按照不考虑铺装、考虑10cm铺装和考虑18cm铺装三种情况建立有限元模型,并按照规范要求对桥梁的刚度、变形、应力和基频进行了计算,对试验结果与理论结果进行了对比分析,结果表明整体化混凝土和水泥混凝土铺装层参与受力,对空心板桥静动载特性影响较大。
Concrete paving layer and hollow plate in close contact, will participate in the overall force. Based on the static and dynamic tests of a reinforced concrete hollow slab bridge, the finite element model was established according to the three cases without paving, 10cm pavement and 18cm pavement respectively. The stiffness, deformation, stress and base of the bridge Frequency calculation, the test results and theoretical results were compared and analyzed. The results show that the monolithic concrete and cement concrete pavement are involved in the force and have a significant impact on the static and dynamic load characteristics of the hollow slab bridge.