钢-UHTCC组合桥面板湿接缝抗裂性能数值分析  

NUMERICAL ANALYSIS ABOUT CRACKING BEHAVIOR UNDER HOGGING MOMENT OF WET JOINT IN ORTHOTROPIC STEEL-UHTCC COMPOSITE BRIDGE DECK SYSTEM

作　　者：代健波 李庆华[1] 童精中 徐世烺[1] DAI Jianbo;LI Qinghua;TONG Jingzhong;XU Shilang(Institute of Advanced Engineering Structures Zhejiang University,Hangzhou 310058,China)

机构地区：[1]浙江大学高性能结构研究所,杭州310058

出　　处：《低温建筑技术》2022年第7期86-90,共5页Low Temperature Architecture Technology

基　　金：国家自然科学基金项目(51978607)。

摘　　要：为了寻求正交异性钢-UHTCC组合桥面板中开裂问题的解决措施,基于ABAQUS粘聚力模型对正交异性钢-UHTCC组合桥面板中不同局部钢筋构造下的湿接缝试件展开了数值模拟分析。分析结果表明,粘聚力模型能够对能够很好地展现湿接缝界面开裂行为,同时具有更局部高配筋率的模型其抗弯性能没有明显差异,但却有着明显更好的接缝界面裂缝控制性能。In order to find a solution to the problem of cracking in orthotropic steel UHTCC composite bridge decks,numerical analysis about wet joint in orthotropic steel-UHTCC composite bridge deck under different local reinforce⁃ment details was conducted based on cohesion model established by ABAQUS.The results show that the cohesion model could reflect the cracking behavior of the wet joint interface.The model with higher reinforcement ratio had no significant difference in the flexural bearing capacity,whereas it had significantly better crack control perfor⁃mance of the joint interface.

关 键 词：组合桥面板 超高性能水泥基复合材料 湿接缝 粘聚力模型 抗裂性能 

分 类 号：TU973[建筑科学—结构工程]