海洋环境超长联大悬臂箱梁拼接技术  

SPLICING TECHNOLOGY OF ULTRA LONG CANTILEVER BOX GIRDER IN MARINE ENVIRONMENT

作　　者：朱海波 Zhu Hai-bo

机构地区：[1]中铁十四局集团有限公司,山东青岛266114

出　　处：《建筑技术开发》2025年第3期99-101,共3页Building Technology Development

摘　　要：研究通过青兰高速女姑口特大桥为例,阐述海洋环境超长联大悬臂箱梁拼接工程中的施工难点和施工工艺,研究不落地栈桥、翼缘板混凝土无损切割、榫卯+四肢箍筋+自密实混凝土技术的关键技术,并解决现场实际问题,同时提高了工程施工水平,其可为工程施工总结经验。Taking the Qinglan Expressway's N'gukou Extra Large Bridge as an example,this study elucidates the construction difficulties and techniques in the splicing project of super long cantilever box girders in marine environments.The key technologies of non landing wharf,non-destructive cutting of wing slab concrete,mortise and tenon joint+four limb hoop reinforcement+self compacting concrete technology are studied,and practical problems on site are solved.At the same time,the construction level of the project is improved,which can summarize experience for engineering construction.

关 键 词：超长联 大悬臂箱梁 拼接 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]