资源描述：
《模拟国际会议演讲稿.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、1.IntroductionThankyouverymuch.Mr.Jiao,foryourkindintroduction.Ladiesandgentlemen,Goodafternoon!MynameisLijia,camefromHarbinEngineeringUniversity.Iamhonoredtohavebeeninvitedtospeakatthisconference.BeforeIstartmyspeech,letmeaskaquestion.Doyouknowwhatcanaffectthepropertiesoffoamconcrete?Doyouthin
2、khowtoreinforcedthepropertiesoffoamconcrete？Mostoftheinvestigationsonfoamconcreteinthepasthavebeenconfined（被限于）toneatcementpaste,cementpastewithpartialreplacementwithadmixturesandtocement–sandmixes.Today,mytopicisaboutInfluenceoffillertypeonthepropertiesoffoamconcrete.Iwanttoshareourinterestingres
3、earchresultonreinforcedconcreteframewithyou.Thecontentofthispresentationisdividedinto4parts:Insection1,Iwillintroducewhatisthefoamconcrete.Insection2,IwilltalkaboutParametersinvestigatedandmixcompositions.Insection3,IwillgiveEffectofwater–solidsratioondesigndensity.Andfinally,Iwillmakeaconclusio
4、n.2.BodySection1:thefoamconcreteNow,Iwillintroducethefoamconcrete.Pre-formed(成型的)foamconcreteismanufactured（加工）byaddingfoam,preparedbyaerating（充气）afoamingagentsolution,tocementpasteorcementmortar（灰浆）.Thecomposition（合成物）,physicalproperties（性能）andusesoffoamconcretewerediscussedindetail（详细的）byValo
5、re,ShortandKinniburgh,RudnaiandTaylor.Althoughseveralinvestigationshavebeenconductedonthepropertiesoffoamconcrete,mostofthemdealwithcement–sandmixes,neatcementpastewithorwithoutpartialreplacement（局部替换）usingadmixtures（掺合料）.Fewstudiesreportontheinfluenceoffillertypeonthepropertiesoffoamconcrete.Byu
6、singflyash（粉煤灰）asfiller(fineaggregate细骨料)insteadofsand,thehighvolume（体积）utilization（利用）offlyashbecomespossible可能,thusprovidingameansofeco-nomic（经济）andsafedisposal（处理）ofthiswasteproduct.Comparison（比较）ofstrengthofair-curedfoamconcretemadewithcement-sandandcement–flyashformasonry（砌体结构）byDurackandWeiqin
7、gshowthatforproductsofcomparabledensity（比较密度）,mixeswithflyashasfineaggregateinplaceofsandgaverelativelyhigherstrength.Section2:Parameters(参数)investigatedandmixcompositions（组成成分）Somuchforthefoamconcrete,nowIwillmoveontoParameters(参数)
