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20046SHUILIXUEBAO610559-9350(2004)06-0041-05(116024)78140hP731.15P343.6A14]5]DUT-1(ZL00104621.7)67]68]1DUT-1DUT-1425R710%11%12%13%14%15%16%808024h866h92h115h139h163h186h211h235h20mm30mm120mm2003-04-28(59725919)(50179003)(1960-)20046SHUILIXUEBAO621/h(%)669211513916318611235100.8980.9040.9130.9210.9230.9200.9130.909110.9050.9080.9160.9230.9250.9220.9140.910120.9080.9080.9170.9270.9310.9280.9200.913130.9110.9140.9250.9350.9400.9360.9270.919140.9180.9200.9290.9390.9430.9400.9320.927150.9210.9250.9380.9490.9510.9450.9350.934/(g/cm3)160.9230.9290.9420.9530.9540.9480.9370.9331038.1943.2949.2854.1856.1955.2452.2650.051143.0045.9752.8959.7563.4463.0259.0054.321245.3347.9456.8565.7270.0168.5662.3456.291358.6162.0871.6881.1385.6883.9076.3067.391463.9365.3077.0989.6796.1394.0583.7671.041574.0474.8388.10101.34106.46101.7389.4579.84/kPa1688.1499.89113.86125.04129.01125.43116.00107.401090.92132.73159.90176.10179.77173.45160.06147.4411106.85143.17174.67195.31198.52186.59165.40152.0012107.59151.34183.12204.62211.83205.25185.46158.7713116.20165.02198.07218.62223.77215.51196.03173.7714144.22175.63201.12230.72238.43230.76212.27197.6315163.60191.45218.95240.38248.57242.30222.34197.05/MPa16181.19218.25248.98270.30276.32267.31246.50223.571039.3042.9948.2952.7454.4253.1549.7747.181142.4847.2355.1862.0164.4662.1056.0550.901241.9047.0259.5970.4373.4768.3157.8852.131358.9664.8973.2480.4483.2280.6872.7562.491466.1070.6290.3689.7594.2892.4384.2473.471560.6469.8188.20103.65107.95100.7386.1978.21/kPa1683.0397.81114.08126.49130.07124.60111.7999.4120mm30mm120mm97mm0.30mm/sfE()llbhmgbhPlf−+='22015'5.122σ(1)20046SHUILIXUEBAO6333'1625'5.2+=hlbmghlbPEδδ(2)fEPmglbhl30mm30mm75mm0.30mm/s50421115%10%15%121-10%15%31246000200010]432000340020046SHUILIXUEBAO643455140h0.821.1036DUT-1DUT-1DUT-1DUT-1811561213]DUT-16820046SHUILIXUEBAO65783(1)10%15%140h23DUT-14DUT-1ITTC[1].[J].199910(1)9599.[2].[J].2002(1)153161.[3].[J].1997(12)4750.[4].[J].1998(12)810.[5].[J].()200238(1)117121.[6].DUT-1[J].200213(3)292-297.[7].[A].[C].,2001.[8]LiZ,QuY,WangY,LiG.OntheflexuralstrengthofDUT-1syntheticmodelice[J].ColdRegionsScienceandTechnology,2002,35(2):67-72.[9].[J].2001(9)51-54.[10]SchwartzJ.Newdevelopmentsinmodelingiceproblems[A].Proceedingsofthe4thInternationalConferenceonPortandOceanEngineeringunderArcticConditions[C].St.Johns,Nfld,Canada,1977.20046SHUILIXUEBAO66[11]DavidC,MenendezB,BernabeY.Themechanicalbehaviourofsyntheticsandstonewithvaryingbrittlecementcontent[J].Int.J.RockMech.Min.Science,1998,35(6):759-770.[l2]ColeDM.Ontherelationshipbetweenthephysicalandmechanicalpropertiesofseaice[A].Proceedingsof13thIAHRInternationalSymposiumonIce[C].Bejing,China,1996.[13]LiZ,RiskaK.Indexforestimatingphysicalandmechanicalparametersofmodelice[J].JournalofColdRegionsEngineering,2002,16(2):72-82.EffectsofcementcontentandcuringdurationonphysicalandmechanicalpropertiesofsyntheticiceformodeltestLIZhi-jun,WANGYong-xue,WANGXi-wen,LIGuang-wei(DalianUniversityofTechnology,Dalian116024,China)Abstract:Anewkindofsyntheticicemadefromcementformodeltestisdeveloped.Thephysicalandmechanicalparametersincludingdensity,flexuralstrength,elasticmodulusandcompressivestrengthofthiskindoficewithdifferentcementcontentsanddifferentcuringdurationsaretested.Thetestresultshowsthatthedensityandallmechanicalparametersareexponentiallyincreasewiththeincreaseofcementcontent.Theparametersalsoincreasewiththeincreaseofcuringdurationatfirstbuttendtodecreaseafterthepeakvaluesemergedat140h.Theisogramsoftheparametershelptofindoutthecementcontentandcuringdurationforthesuitablesyntheticiceaccordingtherequirementofthemodeltest.Keywords:syntheticice;modeltest;cement;curingduration;density;flexuralstrength;elasticmodulus;compressivestrength