广西八尺江大桥加宽设计方法探讨  

Discussions on Widening Design Method of Guangxi Bachi River Bridge

作　　者：唐庚 杨鉴生 唐咸远[2] 

机构地区：[1]广西壮族自治区交通规划勘察设计研究院,广西南宁510005 [2]广西科技大学土木建筑工程学院,广西柳州545006

出　　处：《西部交通科技》2014年第2期32-36,共5页Western China Communications Science & Technology

基　　金：广西交通科技项目"广西高速公路改扩建桥涵加宽拼接技术研究"(2012-13)

摘　　要：20 m跨径先张法预应力混凝土空心梁桥是高速公路扩建工程设计中的一种常见桥梁。文章以广西沿海高速公路扩建工程八尺江大桥加宽设计为例,在对旧桥进行检测评定的基础上,研究了原有桥梁的利用与加固措施,探讨了新拓宽桥梁的结构形式与新旧桥梁的拼接方式等关键技术问题,并提出了相应的处理措施及方法。20m span pretensioned prestressed concrete hollow girder bridge is a common bridge in the expressway expansion engineering design.With Bachi River Bridge widening design of GuangxJ Coast-al Expressway Expansion Engineering as the example,and based on the detection and assessment of old bridge,this article studied the utilization and reinforcement measures of existing bridge,discussed the structure form of new widened bddge, the stitching method of new and old bddges, and other key technical issues,and proposed the corresponding treatment measures and methods.

关 键 词：高速公路 扩建工程 空心梁桥 加宽拼接 设计 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]