市政桥梁墩柱施工钢筋骨架整体吊装工艺探讨

Discussion on the Overall Hoisting Technology of Steel Bar Frame in Municipal Bridge Pier and Column Construction

泸州二环路高新区AB段工程是典型短频快的市政工程,具有施工特点是克服施工场地局促、障碍物多及与相邻标段交叉施工的施工难点,对施工质量、施工进度有着高标准、严要求。现浇墩柱数量占工程全线墩柱数量的90%,工程量较大,下部结构的施工节点进度影响着上部箱梁的施工进度能否达到既定工期安排,由于施工场地限制条件诸多,传统的常规墩柱施工工艺不能满足质量及进度要求,项目经过统筹考虑依托现有资源,细化目标,深入研究墩柱整体吊装施工工艺,通过新老施工工艺对比,墩柱整体吊装施工工艺在墩柱施工效率、质量、安全方面均具有较大的优势,能满足项目施工进度、质量达标的迫切需要。墩柱整体吊装施工工艺在某公司施工历史中缺乏此类经验,需不断丰富施工技术类型、提高施工技术水平,为此后同类工程施工提供技术支持。

Luzhou Second Ring Road High-tech Zone AB section project is a typical short-frequency and fast municipal engineering,with construction characteristics are to overcome the construction site cramped,many obstacles,and cross construction difficulties with adjacent bid sections,the construction quality and construction progress has high standards and strict requirements.Cast-in-place pier column quantity accounted for 90%of the number of engineering pier column,the quantity is larger,the substructure of the construction node progress affects the upper box beam can reach the established schedule,due to the construction site restrictions,the traditional conventional pier construction technology cannot meet the quality and schedule requirements,after considering the existing resources,detailed target,study the overall hoisting process,pier construction efficiency,quality,safety has great advantages,can meet the urgent needs of the project construction progress and quality standards.The overall lifting construction technology of pier and column lacks such experience in the construction history of a company,so it is necessary to constantly enrich the types of construction technology,improve the construction technical level,and provide technical support for the construction of similar projects thereafter.