全预制UHPC大悬臂盖梁设计及受力特性分析  

DESIGN AND FORCE CHARACTERISTICS ANALYSIS OF FULLY PREFABRICATED UHPC LARGECANTILEVER COVER BEAM

作　　者：李凌志 魏益峰 郑增健 LI Lingzhi;WEI Yifeng;ZHENG Zengjian(Wenzhou Jinliwen Expressway East Extension Line Co.,Ltd.,Zhejiang Wenzhou 325014,China;Zhejiang Institute of Communications Co.,Ltd.,Hangzhou 310030,China)

机构地区：[1]温州金丽温高速公路东延线有限公司,浙江温州325014 [2]浙江数智交院科技股份有限公司,杭州310030

出　　处：《低温建筑技术》2023年第4期146-150,共5页Low Temperature Architecture Technology

基　　金：浙江省交通运输厅科技项目(2021-GCKY-03)。

摘　　要：为验证UHPC在大尺寸盖梁轻量化的建设中有良好的应用前景并保持可靠的承载能力。文中提出全预制UHPC大悬臂盖梁,通过对新提出的全预制UHPC盖梁结构进行整体和局部受力特性分析,验证了方案的可行性。表明全预制UHPC盖梁结构在保持结构承载能力的同时将盖梁整体自重降低了40%,实现轻量化设计,同时结合实际工程论证了方案的可行性,为实际工程提供参考。In this paper,a fully prefabricated UHPC large cantilever cover beam is proposed,and the feasibility of the scheme is verified by analyzing the overall and local force characteristics of the newly proposed fully prefabricat⁃ed UHPC cover beam structure.The results show that the fully prefabricated UHPC capping beam structure reduces the overall dead weight of the capping beam by 40%while maintaining the bearing capacity of the structure,and re⁃alizes the lightweight design goal.At the same time,the feasibility of the scheme is demonstrated in combination with the actual project,and it is expected to provide a reference for the actual project.

关 键 词：UHPC盖梁 轻量化设计 有限元模拟 局部分析 

分 类 号：TU312[建筑科学—结构工程]