水利水电外文翻译.docx

上传人:b****3 文档编号:3124680 上传时间:2022-11-17 格式:DOCX 页数:11 大小:86.58KB
下载 相关 举报
水利水电外文翻译.docx_第1页
第1页 / 共11页
水利水电外文翻译.docx_第2页
第2页 / 共11页
水利水电外文翻译.docx_第3页
第3页 / 共11页
水利水电外文翻译.docx_第4页
第4页 / 共11页
水利水电外文翻译.docx_第5页
第5页 / 共11页
点击查看更多>>
下载资源
资源描述

水利水电外文翻译.docx

《水利水电外文翻译.docx》由会员分享,可在线阅读,更多相关《水利水电外文翻译.docx(11页珍藏版)》请在冰豆网上搜索。

水利水电外文翻译.docx

水利水电外文翻译

HydromechanicalanalysisofPlacingandprotectingfill

flowbehaviorindam

Abstract:

Primarysurfaceaccordingtothedesignrequirementsofexcavationandstoneprocessing,toensurethatthedense,withcertainstrengthandstabilitymeettherequirements.Quarrymining,transportintherepairoftheroadatthesametime,excavator,bulldozer,withclearreclaimerfieldcoveringlayer,toensurethatnoweedrootsandsoiltillage.Abandonthematerialpilingupintheyardrightasobstinatecultivatedmaterial,alsoprepareslopetopreventsoilerosiondamfillingshouldbedone:

regardlessofwhichpartofthefillandthefinalfoundationsurfaceexposuretimedoesnotexceed72hours.Fillmethodshouldalsopreventtheseparationofthefillingmaterial.Ifthecontractrequirementsindifferentlotsofdifferentfillingpackingandcontractingbusinessinconstructionshouldpreventofconfusionbetweenthedifferenttypesoffillers.

Keywords:

Hydromechanicalfillpermeability

Anyundesirablematerialaccumulatedonthefillsurfaceshallberemovedbeforeplaceingthenextlayeroffillmaterialshallbeplacedonapreviouslayerofthathasdriedout,becomesaturatedorinanywaydeterioratedbyexposureorbyspillingofothermaterialordisterbancebymechanicaltransportorbydepositionofwindblownparticlesorbyanyothermeans.Beforefreshfillmaterialisplacedaoosuchdeterioratedfillorforeignmaterialshallberemovedtoadepthatwhichmaterialofanacceptablestandardisexposed.ThesurfaceofeachlayeristobeapprovedbytheEngineerbeforethenextlayerisplaced.

Anyfillshallbeplacedinuniformlayersnotgreaterthantheapprovedthicknessasspecifiedhereafterandinanorderlysequenceapproximatelyhorizontalalongthecentrelineofthewherespecifiedofdirectedotherwise,noportionofanyembankmentshallbesteppedmorethan3feethigherthananyimmediatelyadjacentportionexceptwherepermittedbytheEngineerandtheslopeformedbysuchstepsshallnotexceed1V:

3Handnotlessthan1V:

4HfromoneleveltoasshownontheDrawingsorasotherwisedirected,allfillplacementsurfacesshallbeslopedatrightanglestothecenterlineoftheembankmentinboththeupstreamanddownstreamdirectionfromthedownstreamedgeofthecoresoastoallowrun-offandpreventtheaccumulationofwater.Thedrainageslopeonthetemporarysurfaceofannyzoneshallnotexceed1on30andthehighestpointshallbededownstreamedgeofthecore.

Where,duetothespecifiedgeometryoftheexcavationintothetopoftheexistingembankments,thesurfaceslopeistowardsthedownstreamedgeofthecore,theContractorshalltakesuchmeasuresannecessarytopreventerosionoffinematerialbeingwashedintothefilterzonesdownstreamofthecore.Anysurfacelayeroffiltermaterialcontaminatedbysuchdrainageorothercauseshallberemovedandreplacedwithfreshfiltermaterialbeforeplacingthenextlayerabove.

Constructionofanyoneembankmentshallbecarriedoutoverthemaximumpossiblelength,molessthan1500feet,ofthatembankmentinsuchamannerthatmotemporaryconstructionslopecrossestheaxisoftheembankmentexceptasapprovedbytheEngineer.WhereatemporaryconstrctionslopecrossingtheaxisoftheembankmentispermittedbytheEngineeritshallbeformedatagradientof1V:

5H.Whensubsequentlyplaceingmaterialagainstthisslopeitshallbecutbackinstepsequaltothelayerthicknesstoavoidfeatheredges.TheContractorshallcompleteeachlayeroffillfullyuptotheabutmentcontactsandstructuresandagainstslopingfoundationsandensurethatthefilliscompactedanspecifiedthroughout.TheContractorshallnotallowthefillinthoseareastolagbehindortogetaheadofthenormalfillplacingoperationsandformfeatheredges,exceptwherefillhasbeenplacedinadvancetocovergroutedsurface.

Shouldnotcontainhumussoilwasusedtofillthesoil,roots,orotherharmfulsubstances,tofilljobsshouldspreadinlayersshop,motorgraderleveling,eachlayerofloosepavingthicknessshouldbenotmorethan30cm.Eachfillerlayerthicknessisnotlessthan50cm,topearthworkembankmenttothepavementsurfacelayerattheendofthecompactionthicknessshouldnotlessthan10cm.

WheretheContractorisallowedtouseeithergrvelfilland/orsandstonenointermixingofthetwomaterialsinalayershallbeallowed.TheConstractormayplaceeitherofthematerialsinadjacentlayersorsectionsoftheembankment.

TheConstractorshallberesponsibleforprotectingtemporaryfillsurfacesagainstdamageoferosion.Attheendofeachworkingday,orifitstarttorain,thesurfaceofthefillshallbemadesmoothandcompactedwithasmoothdrumrollerwithadrainageslopetoinducerunofffromthefilledareasandleavenoareasthatcanretainwater.Wherenecessary,

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 法律文书 > 调解书

copyright@ 2008-2022 冰豆网网站版权所有

经营许可证编号:鄂ICP备2022015515号-1