神华科技
神華科技
신화과기
NORTHWEST COAL
2011年
3期
85-87
,共3页
连续梁桥%合拢方案%温度内力%悬臂施工
連續樑橋%閤攏方案%溫度內力%懸臂施工
련속량교%합롱방안%온도내력%현비시공
Continuous beam bridges%Closing scheme%Temperature force%Cantilever construction method
针对某三跨悬臂施工连续梁桥的工程情况,就合拢块的施工方案确定和施工步骤的实施过程做了具体阐述。介绍了该桥合拢段施工时刚性支撑骨架的安装、合拢段锁定、混凝土浇筑等施工工艺,并进行了合拢段刚性支撑骨架在温度作用下的受力分析。
針對某三跨懸臂施工連續樑橋的工程情況,就閤攏塊的施工方案確定和施工步驟的實施過程做瞭具體闡述。介紹瞭該橋閤攏段施工時剛性支撐骨架的安裝、閤攏段鎖定、混凝土澆築等施工工藝,併進行瞭閤攏段剛性支撐骨架在溫度作用下的受力分析。
침대모삼과현비시공련속량교적공정정황,취합롱괴적시공방안학정화시공보취적실시과정주료구체천술。개소료해교합롱단시공시강성지탱골가적안장、합롱단쇄정、혼응토요축등시공공예,병진행료합롱단강성지탱골가재온도작용하적수력분석。
According to the engineering case of a three span continuous bridge with cast-in-place cantilever construction method,the construction method and construction program of closing segment are described in this paper.The construction technology such as the installation for rigid support frame and the fixing for closing segment,and the cast-in-place technology of concrete are also described in detail.The inner force of the rigid support frame under temperature load are specially analyzed.
