装配式后张预应力混凝土简支板梁桥设计验算方法研究  

RESEARCH ON THE DESIGN AND CALCULATION METHOD OF PREFABRICATED AND POST-TENSIONED PRESTRESSED SIMPLY SUPPORTED GIRDER BRIDGES

作　　者：薛栩超 蓝天 孔代玉 Xue Xu-chao;Lan Tian;Kong Dai-yu

机构地区：[1]中冶华天工程技术有限公司,南京210019 [2]华设设计集团股份有限公司,南京210014 [3]南京中燃智慧能源有限公司,南京211806

出　　处：《建筑技术开发》2024年第9期129-131,共3页Building Technology Development

摘　　要：小跨度桥梁设计普遍存在于市政工程项目中,以某市政典型跨河段项目为研究对象,选取16 m装配式后张预应力混凝土简支板梁桥进行跨河桥梁设计、分析和验算,最终得到以下结论:首先,针对装配式后张预应力混凝土简支板梁桥的设计验算,给出了二维梁单元设计验算的方法;其次,通过与规范要求进行比对,验证了本项目中桥梁设计的合理性;最后,研究成果可为类似跨度不大于16 m的桥梁在选择装配式预应力混凝土简支板形式时提供相关依据。The design of small span bridges is commonly found in municipal engineering projects.Taking a typical cross river section project of a municipal project as the research object,a 16 meter prefabricated post tensioned prestressed concrete simply supported slab beam bridge was selected for cross river bridge design,analysis,and verification.The following conclusions were obtained:Firstly,a two-dimensional beam element design verification method was provided for the design verification of the prefabricated post tensioned prestressed concrete simply supported slab beam bridge;Secondly,the rationality of the bridge design in this project was verified by comparing it with the regulatory requirements;Finally,the research findings can provide relevant basis for selecting the form of"prefabricated prestressed concrete simply supported slab"for bridges with a span of no more than 16 meter.

关 键 词：桥梁 简支梁 有限元 

分 类 号：U448.217[建筑科学—桥梁与隧道工程] TU997[交通运输工程—道路与铁道工程]