淄博西八路框架桥在铁路咽喉区顶进施工技术

Jacking construction technology of Zibo Xibalu Frame Bridge in throat zone of railway

结合工程实例,介绍了在不影响既有铁路安全运营的条件下,采用纵横抬梁技术成功解决了架空既有铁路宽度达58 m,桥上加固3组可动心轨提速道岔,3组普通木枕道岔,顶进纵深越5股道铁路咽喉区的框架桥施工技术。

Combined with practical work longitudinal and cross beam supporting method is introduced, which succeed realizing 58 m spanned width overhead existing railway line under the conditions that no influencing the safe transport of railway. 3-group movable-nose frog speed- raising turnouts, 3-group ordinary sleeper turnouts are setting out on this frame bridge. In the end construction technology are summarized for this frame bridge in throat zone of railway with jacking depth crossing 5 railway lines.