Transcription of Soil Density - Standard vs Modified Proctor
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Soil Density - Standard vs Modified Proctor
2003 Keystone Retaining Wall Systems912/30/03 Soil Density - Standard vs Modified ProctorReinforced soil structures routinely specify that all soils be compacted to 95% of the maximumdensity determined by ASTM D698 - Standard Proctor Densityfor conformance with thedesign. However, Standard Proctordensity criteria is typically utilized in the Eastern US where-asModified Proctordensity criteria is typically utilized in the Western US which can createsome conflicting specification has been done showing the relationship betweenStandardandModified Proctordensi-ty testing for different soils types as indicated below:140130120110100908070 , water content in %05101520253035A1B1C1A2B2C2A3B3C3A- Modified ProctorB- Standard ProctorC- 15 blow ProctorSoil 2(Sand)Soil 1(Silty Sand)So il 3(Clay)Moisture- Density Relationships(Ref.)
Soil Density - Standard vs Modified Proctor Reinforced soil structures routinely specify that all soils be compacted to 95% of the maximum density determined by ASTM D698 - Standard Proctor Density for conformance with the design. However, Standard Proctor density criteria is typically utilized in the Eastern US where-
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