哨关路跨沪昆铁路桥主桥钢箱梁拖拉法顶推施工技术研究

Research on Incremental Launching Construction Technology by Dragging Method of Steel Box Girder for Main Bridge of Shaoguan Road across Shanghai-Kunming Railway Bridge

本文对哨关路跨沪昆铁路桥主桥钢箱梁顶推施工技术进行了分析和介绍,跨沪昆铁路桥主桥钢箱梁采用自动连续千斤顶拖拉法顶推施工,介绍了该桥顶推施工的施工方案与辅助措施,分析了该工程的施工难点及关键施工技术措施,对于今后类似工程的施工具有一定的参考价值。

This paper analyzes and introduces the incremental launching construction technology by dragging method of steel box girder for main bridge of Shaoguan Road across Shanghai-Kunming Railway Bridge.The steel box girder of the main bridge adopts the automatic continuous jack dragging method incremental launching construction.The construction plan and auxiliary measures of the bridge push construction are introduced and the construction difficulties and key construction technical measures of the project are analyzed,which have certain reference value for the construction of similar projects in the future.