下承式钢管混凝土系杆拱桥索力计算与施工方案  

Cable Force Calculation and Construction Scheme of Through Concrete-fi lled Steel Tubular Tied Arch Bridge

作　　者：钟俊 ZHONG Jun(China Railway 21st Bureau Group the 1st Engineering Co.,Ltd.,Urumqi 830000,Xinjiang,China)

机构地区：[1]中铁二十一局集团第一工程有限公司,新疆乌鲁木齐830000

出　　处：《工程技术研究》2025年第2期24-26,共3页Engineering and Technological Research

摘　　要：为了优化下承式钢管混凝土系杆拱桥的索力计算与施工方案,文章以某桥梁工程为例,介绍了该桥梁的结构特点、工程结构模型的建立,以及成桥状态下吊杆索力的计算方法,并在此基础上,深入分析了下承式钢管混凝土系杆拱桥的索力力学行为,探讨了索力在施工过程中的变化规律及其影响因素。文章还详细阐述了施工控制技术,通过对比施工监测值与计算值,验证了施工方案的可行性和准确性。研究结果表明,文章提出的索力计算方法和施工方案能有效指导下承式钢管混凝土系杆拱桥施工,确保桥梁结构的安全性和稳定性,为同类桥梁的建设提供有益参考和借鉴。In order to optimize the cable force calculation and construction scheme of the through concrete-filled steel tubular tied arch bridge,this paper takes a bridge project as an example,introduces the structural characteristics of the bridge,the establishment of the project structural model,and the calculation method of the cable force of the suspender under the completed bridge state.On this basis,the mechanical behavior of the cable force of the through concrete-filled steel tubular tied arch bridge is deeply analyzed,and the variation law of the cable force in the construction process and its influencing factors are discussed.It also elaborates the construction control technology in detail,and verifies the feasibility and accuracy of the construction scheme by comparing the construction monitoring value and the calculated value.The research results show that the cable force calculation method and construction scheme proposed in this paper can effectively guide the construction of through concrete-filled steel tubular tied arch bridge,ensure the safety and stability of bridge structure,and provide useful reference for the construction of similar bridges.

关 键 词：下承式 钢管 混凝土 施工 拱桥 索力 

分 类 号：U448.225[建筑科学—桥梁与隧道工程]