【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。更多还原

【Abstract】 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.更多还原