市政高架桥长悬臂盖梁施工支撑体系的选型和设计  

SELECTION AND DESIGN FOR CONSTRUCTION SUPPORTING SYSTEM OF MUNICIPAL VIADUCT WITH LONG CANTILEVER CAPPING BEAM

作　　者：代权 胡伟山[1] 

机构地区：[1]中国十九冶集团有限公司,成都610000

出　　处：《工业建筑》2015年第8期135-138,共4页Industrial Construction

摘　　要：成都市二环路高架桥工程处于繁华老城区,为了保证高支墩(均12 m)长悬臂(均10.3 m)盖梁在施工中车辆的正常通行,设计了一套完整的盖梁施工支撑体系,包括三种受力体系方案比选及优选方案的力学分析、基础设计、安全体系设计和安装工艺设计。施工结果证明:选用方案满足设计线型和清水混凝土饰面的要求,为类似市政高架墩柱盖梁施工提供了一套应用性较强的方法。The viaduct project of the second ring road in Chengdu is located in the heart of the old town,in order to ensure the normal traffic of vehicles during the construction of the capping-beam-support-system with high buttress（ the average height of 12 m） and long cantilever（ the average length of 10. 3 m）,a set of complete support system for capping beam construction was designed,including comparison of three kinds of mechanical system schemes; the mechanical analysis and designs of foundation,security system and installation process of the optimized scheme.Construction results showed the optimized scheme satisfied the requirements of design lines and faced concrete. A set of application methods was provided for similar entities pier capping beam construction.

关 键 词：市政高架桥 高支墩长悬臂盖梁 施工支撑体系 选型设计 力学分析 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]