交通科技与经济
交通科技與經濟
교통과기여경제
Technology & Economy in Areas of Communications
2015年
3期
99-103
,共5页
特大跨%连续梁桥%设计
特大跨%連續樑橋%設計
특대과%련속량교%설계
large span%continuous beam bridge%design
连续梁桥由于施工技术成熟、经济指标优越,在国内外有大量的应用,但主跨超过150 m的连续梁桥较少。郑州市陇海路高架跨南水北调特大桥,主跨160 m ,采用悬臂浇筑施工。结合工程实践,分析特大跨径连续梁桥的方案选型、结构设计难点及施工要点,为同类型大跨连续梁桥施工提供参考。
連續樑橋由于施工技術成熟、經濟指標優越,在國內外有大量的應用,但主跨超過150 m的連續樑橋較少。鄭州市隴海路高架跨南水北調特大橋,主跨160 m ,採用懸臂澆築施工。結閤工程實踐,分析特大跨徑連續樑橋的方案選型、結構設計難點及施工要點,為同類型大跨連續樑橋施工提供參攷。
련속량교유우시공기술성숙、경제지표우월,재국내외유대량적응용,단주과초과150 m적련속량교교소。정주시롱해로고가과남수북조특대교,주과160 m ,채용현비요축시공。결합공정실천,분석특대과경련속량교적방안선형、결구설계난점급시공요점,위동류형대과련속량교시공제공삼고。
Continuous beam bridge with superior construction technology of mature and economic indicators ,there are a large number of applications at home and abroad .But main span more than 150 meters of continuous girder bridge is still rare ,Zhengzhou city Longhai road elevated across water bridge , main span 160 m ,using the cantilever construction .Combined with engineering practice ,the analysis of large span continuous girder bridge scheme selection ,structure design and construction key points and difficulties provide a reference for similar long -span continuous girder bridge .