空心板桥新旧板间的新连接设计方法及应用  

New Design Method and Application for Connecting New and Old Slab of Hollow Slab Bridge

作　　者：黄江华[1] 乐金朝[1] 邓苗毅[1] 

机构地区：[1]郑州大学交通运输工程系,河南郑州450002

出　　处：《西部交通科技》2009年第4期32-35,共4页Western China Communications Science & Technology

基　　金：河南省交通厅科研项目(2007P443)

摘　　要：文章针对目前公路中空心板桥拓宽改造的新旧空心板横向间连接问题,提出一种新连接设计方法,并结合信阳市杜河桥施工实践,对成桥后的现场静载测试进行分析,结果表明此新连接设计取得了较好的实用效果,可为同类桥梁扩建工程提供参考。According to the problems on transverse connection between new and old slab in widening the hollow slab bridge in highway, a new connecting design method was proposed and adopted in Duhe bridge in Xinyang city.After analyzing the static load test results, the new connecting design method is showed to have a better practice effect.This also provides reference to related bridge extension constrction.

关 键 词：空心板桥 拓宽 新连接 静载试验 

分 类 号：U442.5[建筑科学—桥梁与隧道工程]