Correlations for Predicting the Maximum and Minimum Index Void Ratios for Sand-Gravel Mixtures
Publication: Geo-Congress 2024
ABSTRACT
As increasing amounts of sand are added to a gravel, the soil mixture transitions from gravel to sandy gravel to gravelly sand and eventually to sand. This change in soil composition leads to changes in the maximum and minimum index void ratios (emax and emin) of the soil mixtures. In this study, correlations were developed for predicting emax and emin of sand-gravel mixtures. The correlations use emax, emin, and the median grain sizes of both the sand and the gravel as well as two empirical constants: the filling coefficient, a, and the embedment coefficient, b. Based on a laboratory testing of a series of sand and gravel mixtures, simple correlations for the parameters a and b were developed.
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REFERENCES
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ASTM. ASTM D 4254-00. Standard test methods for minimum index density and unit weight of soils and calculation of relative density. ASTM International, West Conshohocken, PA, 2014, www.astm.org.
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Information & Authors
Information
Published In
Geo-Congress 2024
Pages: 167 - 176
History
Published online: Feb 22, 2024
ASCE Technical Topics:
- Correlation
- Engineering fundamentals
- Engineering materials (by type)
- Foundation construction
- Foundations
- Geomechanics
- Geotechnical engineering
- Gravels
- Infrastructure
- Laboratory tests
- Materials characterization
- Materials engineering
- Mathematics
- Mixtures
- Pavements
- Rock mechanics
- Sand (material)
- Sandy soils
- Soil mechanics
- Soil mixing
- Soils (by type)
- Statistics
- Tests (by type)
- Transportation engineering
- Void ratio
- Voids
Authors
Metrics & Citations
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