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1、HansJournalofCivilEngineering土木工程,2018,7(1),82-90PublishedOnlineJanuary2018inHans.http://www.hanspub.org/journal/hjcehttps://doi.org/10.12677/hjce.2018.71011TheDetectionofSeepagePressureinHigh-HeadNavigationLockAreaandResultAnalysisGonglueZhang1,GuohongSun1,GuoqiangJin1,LeiZhang2,3,Ya
2、ngWu2,31ZhejiangProvincialPlanning,Design&ResearchInstituteofCommunications,HangzhouZhejiang2JiangsuTransportationInstituteGroupCo,Ltd.,NanjingJiangsu3JiangsuUndergroundReconnaissanceTechnologyEngineeringLaboratory,NanjingJiangsuthndthReceived:Jan.8,2018;accepted:Jan.22,2018;published
3、:Jan.30,2018AbstractTherationalseepageforceandbearingcapacityofhigh-headnavigationlockarea’sbatholithareimportanttothesafetyofshiplock.TakingreconstructionandextensionprojectofFuchunRivernavigationlockastheexample,theobservationandanalysisintheseepageforceinsidethebatho-lithunderthesh
4、iplockbaseboardareestablished.Basedonthis,thefeaturesofosmoticpressurevalueunderbaseboardwithinbatholithclosedregionareunderstood,includingdirectosmoticpressurefromexternalwaterbodyandhydraulicpressureinrockgapcausedbyupperstructureloads.Duringtheshiplockoperatingperiod,theraiseofseep
5、ageforcevalueisadvantageousforthelockbyincreasingbearingcapacityofbatholith.Ontheotherhand,duringtheoverhaulperiod,upliftpressureofshiplockbaseboardcouldbereducedefficientlythroughtheanti-seepagedrainagedecompressionsystemofhigh-headnavigationlockarea’sbatholith.KeywordsLock,Osmometer
6、,OsmoticPressure,Monitor,Batholith中高水头船闸渗压力监测及成果分析研究1112,32,3张公略,孙国洪,金国强,张磊,武杨1浙江省交通规划设计研究院,浙江杭州2苏交科集团股份有限公司,江苏南京3江苏省地下空间探测技术工程实验室,江苏南京收稿日期:2018年1月8日;录用日期:2018年1月22日;发布日期:2018年1月30日文章引用:张公略,孙国洪,金国强,张磊,武杨.中高水头船闸渗压力监测及成果分析研究[J].土木工程,2018,7(1):82-90.DOI:10.12677/hjce.2018.71011张公略等摘要中高水头
7、船闸岩基合理的渗透力及承载力是船闸安全的基础。以富春江船闸扩建改造工程为例,通过对船闸底板下岩基内渗压力的观测分析,得出了岩基封闭区域内底板下的渗压值包括外界水体直接渗透压力和上部结构荷载引起的岩隙水压两部分组成的特性。在船闸运营期,渗压值增加会提高岩基的承载力,对船闸有利,在检修期,通过中高水头船闸岩基防渗排水减压体系,能有效降低船闸底板的扬压力。关键词船闸,渗压计,渗压力,监测,岩基Copyright©2018byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttri
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