跨铁钢箱梁架设临时支墩设计检算
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摘要
针对基底软弱且临近既有线路的施工情形,建议采用大跨度组合钢箱梁跨越铁路线。介绍了采用扩大基础与钢管桩基础相结合的跨铁钢梁架设临时支墩基础的施工方法。
For the case of a weak base and the closeness to the existing railway lines,the large-span compsite steel box girder was suggested to span the railway line.We introduced a new construction method to combine the expanding foundation and steel-pipe-pile foundation as the temporary buttress bases for the crossing iron-steel beam erection.
For the case of a weak base and the closeness to the existing railway lines,the large-span compsite steel box girder was suggested to span the railway line.We introduced a new construction method to combine the expanding foundation and steel-pipe-pile foundation as the temporary buttress bases for the crossing iron-steel beam erection.
引文
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[4]黄龙生,黄勇.从制动试验的位移反应分析桥墩的制动力[J].地震工程与工程振动,2002,22(2):91-96.HUANG Longsheng,HUANG Yong.Calculation of braking force on piers by using displacement response record obtained from braking test[J].Journal of Earthquake Engineering and Engineering Vibration,2002,22(2):91-96.
[5]王志强,葛继平,魏红一,等.节段拼装桥墩抗震性能研究进展[J].地震工程与工程振动,2009,29(4):147-154.WANG Zhiqiang,GE Jiping,WEI Hongyi,et al.Recent development in seism ic research of segmental bridge columns[J].Journal of Earth-quake Engineering and Engineering Vibration,2009,29(4):147-154.
[6]禚一,李忠献.基于FENAP平台的RC高桥墩破坏过程模拟及分析[J].地震工程与工程振动,2010,30(4):90-96.ZHUO Yi,LIZhongxia.Simulation and analysis of damage process of RC high bridge piers based on FENAP platform[J].Journal of Earthquake Engineeringand Engineering Vibration,2010,30(4):90-96.
[2]李国平.公跨铁立交桥荷载试验研究及安全控制[J].建筑监督检测与造价,2012,5(4):1-3.LI Guoping.Research on Load Testing and its Security Control of the Overpass of Highway across Railway[J].Supervision Test and Cost of Con-struction,2012,5(4):1-3.
[3]任亮,方志,王诚.大跨连续钢桁拱桥动力系数影响因素研究[J].地震工程与工程振动,2012,32(2):152-159.REN Liang,FANG Zhi,WANG Cheng.Experimental study on the restoring force model of Reactive Powder Concrete box piers under biaxial hori-zontal loads[J].Journal of Earthquake Engineering and Engineering Vibration,2012,32(2):152-159.
[4]黄龙生,黄勇.从制动试验的位移反应分析桥墩的制动力[J].地震工程与工程振动,2002,22(2):91-96.HUANG Longsheng,HUANG Yong.Calculation of braking force on piers by using displacement response record obtained from braking test[J].Journal of Earthquake Engineering and Engineering Vibration,2002,22(2):91-96.
[5]王志强,葛继平,魏红一,等.节段拼装桥墩抗震性能研究进展[J].地震工程与工程振动,2009,29(4):147-154.WANG Zhiqiang,GE Jiping,WEI Hongyi,et al.Recent development in seism ic research of segmental bridge columns[J].Journal of Earth-quake Engineering and Engineering Vibration,2009,29(4):147-154.
[6]禚一,李忠献.基于FENAP平台的RC高桥墩破坏过程模拟及分析[J].地震工程与工程振动,2010,30(4):90-96.ZHUO Yi,LIZhongxia.Simulation and analysis of damage process of RC high bridge piers based on FENAP platform[J].Journal of Earthquake Engineeringand Engineering Vibration,2010,30(4):90-96.
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