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漫水箱梁桥水力荷载及其影响
引用本文:石雪飞,阮欣,陈虎成.漫水箱梁桥水力荷载及其影响[J].同济大学学报(自然科学版),2004,32(6):727-730,740.
作者姓名:石雪飞  阮欣  陈虎成
作者单位:同济大学,桥梁工程系,上海,200092
摘    要:讨论了箱形截面漫水桥设计中应考虑的水力荷载 ,包括浮力、等效静水力和由箱内外水头差引起的动态浮力等 .给出了底板开孔的漫水箱梁桥各种水力荷载的计算方法 ,以及相应的荷载组合方法 .最后 ,以某 5跨连续箱形截面漫水桥为例 ,计算了各项水力荷载 ,分析了水力荷载对箱梁的影响 ,并给出了箱形截面漫水桥构造方面的一些建议

关 键 词:漫水桥  箱形截面  水力荷载
文章编号:0253-374X(2004)06-0727-04

Hydraulic Load and Its Influence on Submersible Bridge with Box Section
SHI Xue-fei,RUAN Xin,CHEN Hu-cheng.Hydraulic Load and Its Influence on Submersible Bridge with Box Section[J].Journal of Tongji University(Natural Science),2004,32(6):727-730,740.
Authors:SHI Xue-fei  RUAN Xin  CHEN Hu-cheng
Abstract:The hydraulic loads,which should be considered in design process,are discussed,including rising force,equivalent static hydraulic load,and dynamic rising force due to difference of water header between inner and outer of box section.The method to calculate those hydrodynamic loads of box section-bridge with holes on its bottom slab is given.The load combination method is also introduced.In the end,a five span submersible continuous bridge is taken as an example,and hydrodynamic loads and structure response when the bridge is submerged are showed.
Keywords:submersible bridge  box section  hydraulic load
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