Geotechnical properties of undisturbed and compacted amphibolite derived laterite soil

Ogunsanwo, Olufemi

doi:10.1007/bf02592621

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…Equation ( 2) is utilized to determine the moisture content inside the filter paper (W f ). The substitution of the moisture content value (W f ) in Equation (1) gives the soil suction. Compacted cylindrical soil specimens are split into two parts with a width of 75 mm and a deepness of 35 mm so that the soil specimen can be placed and withdrawn from the glass container easily.…”

Section: Soil Suction Measurementmentioning

confidence: 99%

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Application of Mathematical Function to Estimate the Compaction Characteristics of Unsaturated Soils

Fondjo¹,

Theron²

2021

cea

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The study aims to propose a mathematical approach to determine the optimum moisture content (W OP ) and the corresponding maximum dry unit weight (γ dmax ) of unsaturated fine-grained clay soils with accuracy. Laboratory tests such as grain size distribution, Atterberg limits, specific gravity, Proctor compaction test, and soil suction measurement are conducted to assess soil properties. The W OP and γ dmax are determined using the mathematical approach based on differential function (∂) and the graphical method. The differences in optimum moisture content values between the mathematical approach and the graphical method (∆W OP ) values are 0.43 %, 0.36 %, 0.42 %, 0.24 %, respectively for soils PES, BFS, WIS, BES, and induced differences in total suction of 179.17 kPa, 144.00 kPa, 175.00 kPa, 96.00 kPa, respectively for soils PES, BFS, WIS, BES. Moreover, the differences in matric suction are 148.27 kPa, 116.13 kPa, 144.83 kPa, 80.00 kPa, respectively for soils PES, BFS, WIS, BES. ∆W OP and ∆ γdmax values are smaller than 0.5 % and marginal in the context of saturated soil mechanics. However, the total suction and matric suction values induced by ∆W OP values are significant for unsaturated soils. An accurate estimation of γ dmax and W OP can be performed on unsaturated compacted soils using the mathematical approach.

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Section: Soil Suction Measurementmentioning

confidence: 99%

“…In 1933 Proctor developed a compaction test in the lab to assess the maximum dry unit weight (γ dmax ) of compacted soils used for field compaction requirements [1]. Compaction is the densification and rearrangement of soil particles by removing air void using mechanical equipment such as a compaction machine.…”

Section: Introductionmentioning

confidence: 99%

Application of Mathematical Function to Estimate the Compaction Characteristics of Unsaturated Soils

Fondjo¹,

Theron²

2021

cea

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“…The compressibility of laterite soils is generally low and its compaction results in improved unit weight, void ratio and compression index (Ogunsanwo 1990).…”

Section: Compressibilitymentioning

confidence: 99%

Comparative analysis of methods of pile-bearing capacity evaluation using CPT logs from tropical soils

Obeta

Onyia

Obiekwe

2018

J. S. Afr. Inst. Civ. Eng.

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The effects of different compaction energy on geotechnical properties of kaolin and laterite

Yusoff

Bakar

Wijeyesekera

et al. 2017

AIP Conference Proceedings

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Geotechnical properties of undisturbed and compacted amphibolite derived laterite soil

Cited by 3 publications

References 3 publications

Application of Mathematical Function to Estimate the Compaction Characteristics of Unsaturated Soils

Application of Mathematical Function to Estimate the Compaction Characteristics of Unsaturated Soils

Comparative analysis of methods of pile-bearing capacity evaluation using CPT logs from tropical soils

The effects of different compaction energy on geotechnical properties of kaolin and laterite

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