南水北调东线穿黄河工程地基饱和砂土液化问题浅析 Discrimination of Sandy Soil Liquefaction on Subgrade in Crossing the Yellow River on the East Route Project of SNWT.pdfVIP
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南水北调东线穿黄河工程地基饱和砂土液化问题浅析 Discrimination of Sandy Soil Liquefaction on Subgrade in Crossing the Yellow River on the East Route Project of SNWT
第4卷 第4期 南水北调与水利科技 V01.4No_4 2006年8月 South·to—NornlWaterTransfersandWater 2006 Science&Technology Aug 南水北调东线穿黄河工程地基饱和 砂土液化问题浅析 张怀军1’2 (1.天津大学建筑工程学院,天津300072;2.中水北方勘测设计研究有限责任公司,天津300222) 摘要:穿黄河工程是南水北调东线的关键控制性工程,该工程除穿黄河隧洞围岩为基岩外,其余建筑物位于黄河滩 地,地基分布第四系全新统砂陛土和砂土,且处于7度地震区,因此地基饱和砂陛土地震液化问题不容忽视。对穿引黄渠 埋涵和滩地埋管地基土采用综合手段进行地震液化判别的过程进行论述,并对可液化土层提出地基处理的建议。 关键词:南水北调;穿黄河工程;液化 中图分类号:TV68文献标识码:B 文章编号:1672—1683(2006)04.0018一05 Discrimi衄ti佃ofSoiI in theYellow砌Ver SandyLiq佻faction蚰SubgradeCrossing 伽meE嬲tRoute ofSNWT Proiect ZHANG Huai-junL2 (1.coZ如伊o,锄以脚Me“增,孔耐讥‰西e乃妙,n删讯300072; 2.傩im形眦r Re删rcesi砌皤砌es£泓io,lDes枷讲以RⅢnrc^c0.£以,死耐汛300222肺i删 theYeIlowRiver isa intheEastRoute ofSNWT.ThewalIrockofthetunnelis Abstr扯t.Crossing Pmjectkeyproject Pmject mck,the foundationsaredistributedinHolocene8eriesof sandand sandas aresituatedinthebottomlandoftheYellow Quatemarysystem,shiftingsandy they River.Italsoliesinthe area.Sothe of saturationandthe ofthe soilshould 7。intensityeanhquake problemtlle铲ound e耐hquakeliquefactionsaIldy of notbe dissenatesthediscrimination fbrthefoundationoftheculver£sundertheditchandthe ignor弓d。Thispper processeanhquakeliquefhction underthebottoIIllandin fo州ardthe treatment of山e soillevel. pipes comprehensiveways,arId gmund suggestion1iqu硪able puts waterTr肌sfer of th
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