This paper taking zigui longtanghe bridge in hubei province as a project background , studies about the unified construction technology of tower and buckle frame in erection with cableway used in steel pipe - encased concrete arch bridge constructioa based on the analysis of the construction property of long span steel pipe - encased concrete arch bridge , this paper raises the general scheme and basic structure of unified construction , analyzes the mechanical behavior of unified structure of construction statue , mainly discusses the strength , stiflhess and stability of the unified structure 本文以湖北秭歸龍?zhí)逗哟髽驗楣こ瘫尘?,對大跨徑鋼管混凝土拱橋纜索吊裝塔架扣架一體化施工技術進行了研究。論文以大跨徑鋼管混凝土拱橋施工特點分析為基礎,提出了一體化施工的總體方案與基本結(jié)構(gòu)構(gòu)造,分析了施工狀態(tài)一體化結(jié)構(gòu)的力學行為,主要探討了一體化結(jié)構(gòu)的強度、剛度及穩(wěn)定性,采用動態(tài)監(jiān)控系統(tǒng)確保了一體化結(jié)構(gòu)在橋梁施工過程中的安全可靠性,從而形成一套系統(tǒng)的纜索吊裝施工新技術,并在實橋工程進行了應用,效果良好。