交通科技
交通科技
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TRANSPORTATION SCIENCE & TECHNOLOGY
2014年
2期
61-64
,共4页
曹春明%易伦雄%王碧波
曹春明%易倫雄%王碧波
조춘명%역륜웅%왕벽파
悬索桥%钢桁梁架设%节段连接
懸索橋%鋼桁樑架設%節段連接
현색교%강항량가설%절단련접
suspension bridge%steel truss girder erection%segment connection
针对北盘江大桥桥址处复杂的建桥条件和峡谷地区特殊的风环境,通过研究比选提出了采用“上弦刚接,下弦放松”的施工期钢桁梁连接方式,论述了该桥钢桁梁架设施工方案的确定过程,以及架设方案的计算与分析。
針對北盤江大橋橋阯處複雜的建橋條件和峽穀地區特殊的風環境,通過研究比選提齣瞭採用“上絃剛接,下絃放鬆”的施工期鋼桁樑連接方式,論述瞭該橋鋼桁樑架設施工方案的確定過程,以及架設方案的計算與分析。
침대북반강대교교지처복잡적건교조건화협곡지구특수적풍배경,통과연구비선제출료채용“상현강접,하현방송”적시공기강항량련접방식,논술료해교강항량가설시공방안적학정과정,이급가설방안적계산여분석。
Due to the complicated construction conditions of the Beipan river bridge which located at canyon area with special wind environment.The upper chord rigid,lower chord relax steel truss girder connection mode during the construction is put forward through research and comparison.The construction scheme and analysis of the steel truss girder erection is investigated in this paper.