The Effect of Skip-Grading on Stability of Soil-Aggregate Mixtures.

Faiz, Asif

doi:10.5703/1288284313799

Cited by 7 publications

(3 citation statements)

References 1 publication

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“…Fait (8) conducted a study on the effect of physical properties on stability. The soil-gravel mixtures he tested indicated a Texas class LIMIT TESTS MADE AFTER MATERIAL IS PREPARED BY WET METHOD…”

Section: Review Of Literaturementioning

confidence: 99%

“…The sums of squares, the degrees of freedom, and the mean squares shown in the ANOVA Tables 8, 9, 10, 11, 12, and 13 were obtained by utilizing a computer program available at Purdue, BMD2V. The first three tables (8,9, and 10 ) are the usual stuamary ANOVA tables, the last three tables (11, 12, and 13) are more detailed tables which show trends and explain whether the variation is due to a linear effect, quadratic, cubic, or a cranbination of these. For angle of internal friction:…”

Section: Statistical Aneilysismentioning

confidence: 99%

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The Effect of Plasticity and Quantity of Fines on Stability of Soil-Gravel Mixtures

Makdisi-Ilyas¹

1972

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Variation of Compressive Strength at 15 psi Lateral Pressure with Quality of Soil 57 16. Variation of Angle of Internal Friction with Quality of Soil viii No. 30 sieve) was high. For this case high plasticity indices (15!?-20!?) did not harm the mixture. When the percent passing No. 30 sieve became high, mixtures with low dust ratios were more stable and high plasticity indices had em adverse effect on the stability of the mixtures .

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Section: Review Of Literaturementioning

confidence: 99%

Section: Statistical Aneilysismentioning

confidence: 99%

The Effect of Plasticity and Quantity of Fines on Stability of Soil-Gravel Mixtures

Makdisi-Ilyas¹

1972

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“…Higher plastic fines in the aggregate matrix resulted in a reduction in aggregate shear strength (10). Samples with lower PI values were found to have higher CBR strength indices and less permanent deformation (16)(17)(18). Consequently, AASHTO M147 and ASTM D1241 for base/sub-base construction have limited aggregate material PI and LL values to 6% and 25%, respectively.…”

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confidence: 97%

Soaking Effects on Strength Characteristics of Crushed Gravel and Limestone Unbound Aggregates

Osouli

Othmanawny

Tutumluer

et al. 2018

Transportation Research Record: Journal of the Transportation R

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Strength characteristics of unbound aggregate materials critically affect base and sub-base thickness designs of construction working platforms and flexible pavements. Unsoaked California Bearing Ratio (CBR) is commonly used by state transportation agencies for quality control and design. However, depending on the amount of fines content (i.e., passing No. 200 sieve), the strength characteristics of unbound aggregate layers may severely be affected after soaking. This study investigates any correlations that may exist between soaked and unsoaked strengths of crushed gravel and limestone aggregates commonly used in the State of Illinois. A test matrix was established to consider the effects of varying fines content at 5% and 12%, plasticity index (PI) at 5% and 9%, and dust ratio (DR) at 0.4, 0.6, and 1.0 on aggregate strength. DR is the ratio of percent passing No. 200 sieve to percent passing No. 40 sieve. Most of the aggregate strength characterizations with 5% fines content were not sensitive to soaking in terms of CBR index. However, significant reductions in soaked and unsoaked CBR values were observed when fines content increased from 5% to 12%. The crushed limestone aggregate strengths were more affected by soaking than the crushed gravel aggregates. A prediction model was developed to predict soaked CBR values from unsoaked CBR tests considering material type, fines content, PI and DR.

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Fines inclusion in a crushed limestone unbound aggregate base course material with 25.4-mm maximum particle size

Osouli

Salam

Tutumluer

et al. 2017

Transportation Geotechnics

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The Effect of Skip-Grading on Stability of Soil-Aggregate Mixtures.

Cited by 7 publications

References 1 publication

The Effect of Plasticity and Quantity of Fines on Stability of Soil-Gravel Mixtures

The Effect of Plasticity and Quantity of Fines on Stability of Soil-Gravel Mixtures

Soaking Effects on Strength Characteristics of Crushed Gravel and Limestone Unbound Aggregates

Fines inclusion in a crushed limestone unbound aggregate base course material with 25.4-mm maximum particle size

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