测定土的含水率英文版.doc

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1、ThedeterminationofsoilwatercontentexperimentsObjectiveDeterminationofsoilwatercontent,inordertounderstandthestatusofwatersoil,istocalculatethevoidratioofsoil,liquidityindex,saturation,andotherphysicalandmechanicalpropertiesofabasicindex.PlanningandorganizationApparatus1.constanttemperatureoven2

2、.Scale3.Dryer4. Aluminumcontainer.5.OvenKnowledgeofEquipment:Drying:puttingthewetearthintheOven,makingthetemperaturebetween100to105℃.Procedure1.Selectrepresentativesampleabout15-30grams(unevensandorsoilshouldbenotlessthan50grams),andputintothealuminumcontainerandcaverthelidimmediately.Balancing

3、thewightofsampleandthealuminumcontainer.(m1).recordthealuminumcontainer’snumber,thewightofsampleandaluminumcontainers’wight(m1)andthealuminumcontainers’wight(m3)2.Openthealuminumcontainers’coverandputitintotheOvenunderthetemperature100-105℃(dryingtimesincethetemperatureof100-100℃isnotlessthan6h

4、ours),thenremovethealuminumcontainerintodryer,aftercoolingtoroomtemperature.3.Movingoutthealuminumcontainerandbalancethewightofsampleandaluminumcontainer(m2)4.Repeattheabovesteps.DataCalculationSheetforDirectShearTestThesamplenumber----Date-----Name-----Sample’snumberTheboxnumberTheboxwight(m3)

5、Thewightofwetsampleandbox(m1)Thewightofsampleandbox(m2)ThewightofwaterSoilwightThemoisturecontentAveragethemoisturecontenta24.7151.3947.533.8622.8216.917b24.2353.2549.014.2424.7817.1RelevantissuesThetestedsoilwatercontentshouldbetakingsoilsamplesafteropenthepackingimmediately,inordertoavoidthes

6、oils’moisturechangeaffectingtheoutcome.