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 2 - Sand 113 110 108 ind ind ind Soil 3 - Clay 102 88 83 20 28 31 Summary of Data Type Standard 95% Standard % of Modified Soil 1 - Silty Sand 125 119 90% Soil 2 - Sand 110 105 93% Soil 3 - Clay 88 84 82% 95% Standard vs Modified Proctor Comparison It is obvious from this limited data that a simple conclusion can not be drawn but some general
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General Soil Types, 1. Retaining Wall Types, Soil, Types, Soil Compaction, Dielectric Soil Moisture Sensors, Dielectric Soil Moisture Sensors Dielectric soil moisture sensors, Unified Soil Classification System, How to Collect and Send Samples, Soil How to Collect and Send Samples, Voluntary Guidelines for Sustainable Soil Management