泡沫混凝土配合比的设计

:20110318:国家科技部科研院所技术开发研究课题(2010EG132282):李应权(1964-),男,河南灵宝人,教授级高级工程师,主要从事泡沫混凝土研究.:李菊丽(1957-),女,教授,主要从事机械设计制造及自动化研究.262()20116Vol.26No.2JournalofXuzhouInstituteofTechnology(NaturalSciencesEdition)Jun2011李应权1,朱立德1,李菊丽2,扈士凯1,段策1,王笑帆1(1.建筑材料工业技术监督研究中心,北京100024;2.徐州工程学院,江苏徐州221008):在研究泡沫混凝土各种原材料性能及大量实验和中试生产实践基础上,运用数理统计归纳分析,设计出既能满足泡沫混凝土干密度导热率强度浇筑稳定性等技术要求,又经济合理易于操作的各种原材料配合比,达到控制泡沫混凝土导热系数和抗压强度的目的,进而指导泡沫混凝土生产工艺过程,确保产品质量.:泡沫混凝土;参数;配合比设计;干密度;相关系数:TU528.2:A:1674358X(2011)02000105(),[12],,,.,[3].,,,.1.,..1),.2),.3),.4),.5),.6),.,,,,,,.,,,,.2.,[4].2.1,,.:;105~110,.,,.1[5],(),.2.2.,,.,.,,.,,.,3%~10%,.2.3,.,,,.,,.2.4,.,,,.,.,70%~100%.2.5,,,,[6].2.6,,.,.,,,.3=Sa(Mc+Mfa),(1)Mw=(Mc+Mfa),(2):(kg/m3);Sa28d,,1.2,1.4;Mc1m3(kg);Mfa1m3(kg),Mfa0~30%;Mw1m3(kg);,,,0.5.1m3,V1,(3),V2(4).,.V1=Mfafa+Mcc+Mww,(3)V2=K(1-V1),(4):fa,2600kg/m3;c,3100kg/m3;w,1000kg/m3;V1,(m3);V2(m3);K,1,,,,1.1~1.3.MpMy=V2,(5)Mp=My/(+1),(6)2()20112:My(kg);(kg/m3);Mp1m3(kg);.,.1),1m3300kg/m3.Mc=300/1.2=250kg.Mw=0.5250=125kg.V1=250/3100+125/1000=0.206m3.(K1.1)V2=1.1(1-0.206)=0.873m3.34kg/m3,20,My=0.87334=29.68kg.Mp=29.68/(20+1)=1.41kg.1m3300kg/m3250kg,125kg,1.41kg.1.11m3/(kg/m3)/kg(=0.5)/kg(120,30)/kg20016783.51.54250208104.01.48300250125.01.41400333166.51.29500417208.51.172)25%,1m3250kg/m3.Mc+Mfa=250/1.2=208kg.Mfa=25%208=52kg.Mc=208-52=156kg.Mw=0.5208=104kg.V1=52/2600+156/3100+104/1000=0.174m3.(K1.1)V2=1.1(1-0.174)=0.909m3.34kg/m3,20,3,:My=0.90934=30.91kg.Mp=30.91/(20+1)=1.47kg.1m3250kg/m352kg,156kg,104kg.1.47kg.2.21m3/(kg/m3)/kg/kg(=0.5)/kg(120,30)/kg2004212583.51.5325052156104.01.4730062188125.01.4140083250166.51.28500105312208.51.163),1m3200kg/m3.Mc=200/1.4=143kg.Mw=0.5143=71.5kg.V1=143/3100+71.5/1000=0.118m3.(K1.1)V2=1.1(1-0.118)=0.97m3.34kg/m3,20,My=0.9734=32.98kg.Mp=32.98/(20+1)=1.57kg.1m3200kg/m3143kg,71.5kg,1.57kg.3.31m3/(kg/m3)/kg(=0.5)/kg(120,30)/kg20014371.51.5725017989.51.52300214107.01.47400286143.01.36500357178.51.2641),,.2),,4()20112,.3),,.:[1]李应权,徐洛屹,扈士凯,等.聚合物水泥泡沫保温材料的研究[J].新型建筑材料,2010,37(2):2933.[2]PanZH,FujiwaraH,WeeT.Preparationofhighperformancefoamedconcretefromcement,sandandmineraladmixtures[J].JournalofWuhanUniversityofTechnology:MaterialsScienceEdition,2007,22(2):295298.[3]扈士凯,李应权,罗宁,等.泡沫自身参数对泡沫混凝土性能影响的研究[J].墙材革新与建筑节能,2010(5):2831.[4]闫振甲,何艳君.泡沫混凝土实用生产技术[M].北京:化学工业出版社,2006.[5]王武祥.泡沫混凝土绝干密度与抗压强度的相关性研究[J].混凝土世界,2010(6):5053.[6]龚洛书,柳春圃.轻集料混凝土[M].北京:中国铁道出版社,1996.StudyonMixRatioDesignofFoamedConcreteLIYingquan1,ZHULide1,LIJuli2,HUShikai1,DUANCe1,WANGXiaofan1(1.TechnicalSupervisionandResearchCenterforBuildingMaterialIndustry,Beijing100024,China;2.XuzhouInstituteofTechnology,Xuzhou221008,China)Abstract:Onthebasisofstudyingthepropertiesofvariousrawmaterialsoffoamedconcrete,alargenumberofexperimentsandtheproductionpracticalexperience,anoptimummixtureratiooffoamedconcretewasdesignedbymathematicalstatistics,whichnotonlymeetdrydensity,thermalconductivity,strength,pouringstabilityandothertechnicalrequirementsoffoamedconcrete,butalsoiseconomicalandeasytooperate.Themixtureratiodesignachievedthepurposeofcontrollingthermalconductivityandcompressivestrengthoffoamedconcrete,therefore,itcanbeusedtoguidetheproductionprocessoffoamedconcretetoensureproductqualitycontrol.Keywords:foamedconcrete;parameter;mixtureratiodesign;drydensity;correlationcoefficient(责任编辑武峰)5,: