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公路梁桥改扩建公铁两用桥桩基础再利用可行性研究
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以南沙港铁路鸡鸦水道既有公路桥改扩建公铁两用桥工程为依托,对新老桩基础在荷载作用下的应变情况进行了测试,并建立包含既有桩基础和新建桩基础的三维有限元模型,分析了桩长和桩型对新老桩共同工作时荷载分担比例的影响规律.结果表明:新老桩荷载分担比例受桩长影响较小,受桩型影响明显;端承桩各桩承担上部竖向荷载较均匀,摩擦桩受群桩整体不均匀沉降影响造成各桩受力不均匀,外围老桩承担竖向荷载比重大.
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Translated Title
Feasibility Study on Reuse of Pile Foundation of Highway-Cum-Railway Bridge in Reconstruction and Extension of Highway Girder Bridge
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TU43
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WF:perioarticaltdjz202101009
Language
Chinese
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2013,城市建设理论研究(电子版)
Source :
铁道建筑
ISSN: 1003-1995
Year: 2021
Issue: 1
Volume: 61
Page: 31-34
Cited Count:
WoS CC Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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学院待认领
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