摘要
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。
Bridge deck overlays participate in overall force combining closely with the voided slab. Based on static and dynamic tests of a reinforced voided slab bridge, three finite element models are established which are respectively under three conditions of without bridge deck overlays, and 10cm-thick as well as 18cm-thick bridge deck overlays. The rigidity, deformation, stress and fundamental frequency of the bridge are calculated according to pertinent specifications. The comparison analysis of the test results and the theoretical calculation results indicate that bridge deck overlays participate in overall force and have significant influence on the static and dynamic performance of voided slab bridges.
出处
《公路》
北大核心
2013年第11期83-86,共4页
Highway
基金
中央高校科学前沿及学科交叉研究计划资助项目
项目编号450060445202
吉林大学创新基金资助项目
项目编号450091102341
关键词
空心板
静动载试验
模态
铺装层
voided slab
static and dynamic test
modal
deck overlays
