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Overview
● P
urpose:Certificationfortechniciansinvolvedinsoilsampling,classification,and
in-placefieldtestingforconstructionandgeotechnicalprojects.
● LevelIFocus:Assistingrolesinfieldandlaboratorytestsundersupervision.
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KeyResponsibilities
● Performandassistinsoiltests(field&lab)
● Readandfollowprocedures(ASTM/AASHTO)
● Recordtestdataaccurately
● Maintainequipmentandsafetystandards
● Communicatewithsupervisorsandengineers
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CommonFieldTests
TestName Purpose Standard
MoistureContent Determineswaterinsoil ASTMD2216
AtterbergLimits(LL,PL) Identifiessoilplasticity&type ASTMD4318
StandardProctor(Compaction) ptimummoisture&maxdry
O ASTMD698
density
ModifiedProctor Heaviercompactionenergy ASTMD1557
In-PlaceDensity(SandCone) Fieldcompactiontest ASTMD1556
In-PlaceDensity(DriveCylinder) Extractedsamplefordensity ASTMD2937
In-PlaceDensity(Nuclear Quickfielddensitytest ASTMD6938
Gauge)