PREFACE

Machine-madesandistherockparticalsingrainsizesmallerthan4.75mm（nominal grainsizesmallerthan5.00mm）whichismadeofrock minedafterremovingsurfacesoil，disruptedby machinesandsivedintorationalgrading.Withtheincreasinglyshortageof naturalsandresources，themachine-madesandhasbecomemoreandmoreimportancein research，productionandengineeringapplication.Astherationalsubstituteofnatural sand，machine-madesandplayedimportantroletoeffectiveprotectionofnaturalsandre-sources，riverchannelandfarmland.Nowadays，asoneofthesandresourceswithcharac-teristicsofwidesourcesandstablequality，machine-madesandhasbecome mainsand productin marketsupply，whichhaslong-term socialandenvironmentalbenefits.Meanwhile，asmainwaytobecomprehensivelyrecycledasadmixtureofconcrete，flyashplaysposi-tiveeffectsimprovingtheperformanceofconcrete.Therefore，researchandengineering applicationofmachine-madesandconcretewithorwithoutflyash（MSCorFAMSC）be-cametheimportantpartinthedevelopmentofbuildingmaterials.Itisthescientificbaseof widelyengineeringapplicationof MSCandFAMSCtosystematicallyresearchontheirall performances，itisalsothetechnicalbaseofstructuraldesign，constructionandmanage-ment，andtechnicalsupportofreliability，long-termserviceabilityanddurabilityofstruc-tures.

Thisbookcontains8chapters.Chapter1introducestheresearchbackgroundofMSC，themanufacturingtechniqueandequipmentsofmachine-madesand，thestonepowderin machine-madesandanditsaction mechanismsinconcrete，theflyashanditseffectsto performanceofconcrete，andthecauseandresultofmachine-madesandmixingfinenatu-ralsandtoproduceconcrete.Chapter2introducestheindexesofmachine-madesandsuch asmorphologyfeatures，classandspecification，particalgrading，densityandporosity，stonepowder，waterabsorption，clayandlumpcontent，soundness，hazardoussub-stancesandalkali-aggregatereaction.Chapter3analyzesthefactorsinfluencingworkability offreshconcreteandcompressivestrengthof MSCandFAMSC，andprovidesthe meth-odsformixpropotiondesignof MSCandFAMSC.Chapter4analyzestheaxialcompres-sivestrength，elasticmodulus，tensilestrengthandtheirrelationstothecubiccompres-sivestrengthof MSCandFAMSC，andstudiesthetime-dependentregulationsandthe forcastmethodsofcompressivestrengthofMSCandFAMSC.Chapter5studiesthe shrinkageandcreepofMSCandFAMSC，andgivestheircalculation methods.Chapter6 studiesandreviewsthedurabilityof MSCandFAMSCincludingimpermeability，resist-ancetochloride-ionpermeation，resistancetofreezingandthawing，carbonizationandre-sistancetosulfatecorrosion.Chapter7studiesthebondpropertiesofsteel-bartoMSCand FAMSC，andsuggeststhecalculation modelsofbondtoslipcurvesandthecalculation proposalofanchoragelengthofsteel-bar.Chapter8studiestheload-bearingpropertyof singleprestressedFAMSChollowslabofbridge.

TheauthorsofthisbookareProf.FenglanLI，Prof.LiyunPANandA/Prof.Changyong LIatNorthChinaUniversityofWaterResourcesandElectricPower，Zhengzhou，China，andSeniorEngineerChunjieLIUatJiaozuoHighwayAdministrationBureau，Jiaozuo，China.Themaincontentsofthisbookaretheseriesresultsofscientificresearchtasksa-boutmachine-madesandconcrete withand withoutflyash whichcollaborativelyfinished bytheauthorsinrecentyears.These werefinanciallysupportedbythe TechnologicalIn-novationTeam ofEco-building MaterialsandStructuralEngineeringin Universityof HenanProvince（13IRTSTHN002），theCultivationEngineeringofInnovativeTalentsin UniversityofHenanProvince（YuJiaoGao〔2004〕294），theOutstandingYouthScience FundofHenanProvince（04120002300），theCultivationPlanofTechnologicalLeading PersonnelsinZhengzhouCity（096SYJH23105），theTechnologicalDevelopmentPlanof HenanProvince（094300510058），theMajorProjectIntroducingOverseaTechnological andManagementTalentsofHenanProvincialBureauofForeignExpertsAffairs（20094100099），theKeyLabCultivationBaseofEco-high-performanceBuilding Materials inUniversityofHenanProvince（DepartmentofEducation，Henan，Jiaokewai〔2009〕609），theHenanProvincialCollaborativeInnovationCenterofNew TownConstruction Technology（DepartmentofEducation，Henan，Jiaokeji〔2013〕638），theNaturalSci-enceResearchProjectsoftheDepartmentofEducationofHenanProvince（2004560003，2010A560011）andthe HenanProvincialFirst-levelDisciplineConstructionofCivilEngi-neering.Prof.ShunboZHAO，whoisadoctoralsupervisorandthedirectorofSchoolof CivilEngineeringandCommunicationofNorthChinaUnversityofWaterResourcesand ElectricPower，putforwardspecificguidingideaforcompilingthisbookandchickedthe manuscript.ThemembersoftheTechnologicalInnovationTeamofEco-building Materials andStructuralEngineeringin UniversityofHenanProvince，Prof.XiaokeLI，A/Prof.XiaoyanZHANG，LecturerNaLIANGandLecturerYanZEN，contributedtothe resultsofrelativescientificresearchtasks.Theauthorswouldliketosaythanksforpartic-ipatinginexperimentalstudiesto MasterpostgraduatesZhicheng LI，Ming XIA，Junli LUO，KaiYANG，YanchaoREN，QanZHU，QiuyanSUN，YanweiGUO，LunLI，YongLI，XinxinDINGandYangyangXUattheDisciplineofHydraulicStructuralEngi-neeringandthe DisciplineofStructuralEngineering.Theyalsoexpressthanksto Mr.JiarunREN，YongyiZHAO，YinpingZHAO，ZhuangzhiLIUandChuanZHANG atJiaozuo Highway AdministrationBureau，Jiaozuo，China.Thankallthepersongiving helps.

Exceptintegratingourownresearchresults，theauthorsofthisbookwanttobeable toobservesystematicallyonrelationalresearchresultsdomesticandoverseas，toprovide readersarelativelycompleteresearchsituation，andtoprovidethereferenceforfuther studyandapplicationofmachine-madesandconcrete.Therefore，Takingtheauthors'research resultsasprincipalcompilingline，thisbookcollectsandtakesinotherresearchers'results.All premiseshavebeenrankedasreference，pleasetheoriginalauthorsgladiftherearewronginthe reviews.

Theauthorswouldliketothankallofthereadersforpointingout mistakesofthis book.

FenglanLI，ChunjieLIU，LiyunPANandChangyongLI

May，2014inZhengzhou