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1、西安工業(yè)大學(xué)北方信息工程學(xué)院畢業(yè)設(shè)計（論文）中期報告題目：揚浦大橋畢業(yè)設(shè)計系別：建筑工程系專業(yè)：土木工程班級：B100703姓名：邵續(xù)輝學(xué)號：B10070325導(dǎo)師：王璐外文出處：《PAULQUIGLEY,FGSIrishGeotechnicalServicesLtd》附件：1、原文2、譯文2014年01月03日XecutionOfGroundInvestigationForEarthdesighAndEworksPAULQUIGLEY,FGSIrishGeotechnicalServicesLtd
2、ABSTRACTThedesignandexecutionofgroundinvestigationworksforearthworkprojectshasbecomeincreasinglyimportantastheavailabilityofsuitabledisposalareasbecomeslimitedandcostsofimportingengineeringfillincrease.Anoutlineofgroundinvestigationmethodswhichcanaugme
3、nt‘traditionalinvestigationmethods’particularlyforglacialtill/boulderclaysoilsispresented.Theissueof‘geotechnicalcertification’israisedandrecommendationsoutlinedonitsmeritsforincorporationwithgroundinvestigationsandearthworks.KAYWARDS：earthworkinvestga
4、tiongeotechnicalcertification1.INTRODUCTIONTheinvestigationandre-useevaluationofmanyIrishboulderclaysoilspresentsdifficultiesforboththegeotechnicalengineerandtheroaddesignengineer.Theseglacialtillorboulderclaysoilsaremainlyoflowplasticityandhaveparticl
5、esizesrangingfromclaytoboulders.Mostofourboulderclaysoilscontainvaryingproportionsofsand,gravel,cobblesandbouldersinaclayorsiltmatrix.Theamountoffinesgovernstheirbehaviourandthesiltcontentmakesitveryweathersusceptible.Moisturecontentscanbehighlyvariabl
6、erangingfromaslowas7%forthehardgreyblackDublinboulderclayupto20-25%forMidland,South-WestandNorth-Westlightgreyboulderclaydeposits.Theabilityofboulderclaysoilstotake-infreewateriswellestablishedandpoorplanningofearthworksoftenamplifiesthis.Thefinesoilco
7、nstituentsaregenerallysensitivetosmallincreasesinmoisturecontentwhichoftenleadtolossinstrengthandrenderthesoilsunsuitableforre-useasengineeringfill.Manyofourboulderclaysoils(especiallythosewithintermediatetypesiltsandfinesandmatrix)havebeenrejectedatth
8、eselectionstage,butgoodplanningshowsthattheycaninfactfulfilspecificationrequirementsintermsofcompactionandstrength.Theselectionprocessshouldaimtomaximisetheuseoflocallyavailablesoilsandwithcarefulevaluationitispossibletouseorincorporate
