摘要
文章介绍对 7号墩采用钻孔桩置换原扩大基础 ,并拆除原有墩身钢板套箍 ,桩顶设置外包承台 ,用锚杆将外包承台与桥墩连成整体 ,应用“墩身置换”方式来整治桥墩病害。
The article deals with the application of “Bridge Pier Replacement” method to correct drawbacks occurred in No.7 pier under Chang-gang Railway Bridge. The substitution of cast-in-place stakes supporting bridge weight for the expanded base of old pier mainly contains the following measures like, to remove steel-plate hoops bound the pier body, then to construct a composite reinforced concrete structure at the head of stakes around the old pier, in the final step, new reinforced concrete structure and old pier are made into a whole body by use of anchor pole.
出处
《特钢技术》
CAS
2004年第3期33-36,共4页
Special Steel Technology
关键词
桥墩
铁路大桥
整治
病害
涪江
扩大基础
钻孔桩
置换
墩身
承台
外包
Gravel, Pier base, Scouring, Cast-in-place stake, Reinforced bar basket, Concrete structure, Replacement.