交通科技
交通科技
교통과기
TRANSPORTATION SCIENCE & TECHNOLOGY
2014年
3期
69-71
,共3页
中小跨径%宽幅连续梁%三段式浇筑施工法%分析比较
中小跨徑%寬幅連續樑%三段式澆築施工法%分析比較
중소과경%관폭련속량%삼단식요축시공법%분석비교
small and medium span%continuous wide box girder bridge%construction method of three-stage cantilever cast%analysis and comparison
连续宽箱梁由于截面面积大，施工时对单位时间内混凝土的供应及现场管理等带来较大的困难。通过某工程实例，提出采用三段式浇筑施工法。通过与满堂支架施工方法、支架逐孔现浇施工方法在施工受力特点、施工费用及现场管理等方面进行比较分析，认为该工法工期短，施工安全可靠，施工费用省。
連續寬箱樑由于截麵麵積大，施工時對單位時間內混凝土的供應及現場管理等帶來較大的睏難。通過某工程實例，提齣採用三段式澆築施工法。通過與滿堂支架施工方法、支架逐孔現澆施工方法在施工受力特點、施工費用及現場管理等方麵進行比較分析，認為該工法工期短，施工安全可靠，施工費用省。
련속관상량유우절면면적대，시공시대단위시간내혼응토적공응급현장관리등대래교대적곤난。통과모공정실례，제출채용삼단식요축시공법。통과여만당지가시공방법、지가축공현요시공방법재시공수력특점、시공비용급현장관리등방면진행비교분석，인위해공법공기단，시공안전가고，시공비용성。
There are many difficulties for concrete supply and site management in continuous wide box construction due to its large cross area.The paper put forward the three-step pouring construction method in a project example.Being compared with full framing construction methods and cast-in-place hole by hole construction method in the aspect of construction mechanical characteristics,construction cost and construction management,etc,the method is proved to be safe,saving and having short time limit.
