某旧桥拆除方案比选  

作　　者：杨庆华 

机构地区：[1]中国核工业第二二建设有限公司,武汉430050

出　　处：《科技创新与应用》2023年第22期70-73,共4页Technology Innovation and Application

摘　　要：该文以跨越某高速公路的斜腿刚构拱桥拆除为研究对象,首先对工程概况及周边环境进行介绍。在此基础上提出2种拆桥的施工方案,即机械拆除法和绳锯拆除法。对2种方法的施工工艺流程及要解决的关键问题进行详细阐述,最后对2种方案从工期、经济性、安全风险3个方面进行比较,最终选择机械拆除法。该文可为同类工程提供参考借鉴。This paper takes the demolition of the inclined leg rigid frame arch bridge across a highway as the research object.Firstly,the general situation of the project and the surrounding environment are introduced.On this basis,two construction schemes of bridge removal are put forward,namely mechanical removal method and rope saw removal method.The construction process of the two methods and the key problems to be solved are elaborated.Furthermore,the two schemes are compared from the three aspects of time limit,economy and safety risk.Finally,the mechanical demolition method is selected.This paper can provide reference for similar projects.

关 键 词：斜腿刚架桥 桥梁拆除 机械拆除法 绳锯拆除法 道路建设提档升级 

分 类 号：U445.6[建筑科学—桥梁与隧道工程]