Multi-cyclic influence on standard laboratory compaction of residual soils

Omotosho, Pete

doi:10.1016/0013-7952(93)90023-6

Cited by 4 publications

(1 citation statement)

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“…With the progression of compaction, the dry density increased, leading to a reduction in both porosity and permeability. Omotosho 12 investigated the influence of cyclic compaction on the maximum dry density (MDD) and optimum moisture content (OMC) of some deltaic soils used for the construction of road embankments. Samples of these soils were subjected to standard Proctor and break-up Proctor compaction tests.…”

Section: Introductionmentioning

confidence: 99%

Effect of multiple-compaction on laterite soil: geotechnical and geo-statistical analysis

Fatoyinbo,

Malomo,

Asiwaju-Bello

et al. 2024

Sci Rep

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Multiple-compaction demonstrates cyclic loading on laterite soils used in highway construction and its effects on engineering properties. The method determines the mechanical stability of derived soils from porphyritic granite, granite gneiss, and charnockite. Fifty-one soil samples were obtained from the horizons of the laterite soil profiles. Four sets of dynamic compactions were carried out on each sample. Index engineering properties such as specific gravity, Atterberg limits, and particle size distribution were investigated before and after multiple-compaction. The changes in engineering properties and moisture-density characteristics were investigated using the granulometric modulus and hardness index. Through multiple-compaction, larger grains in soils derived from granite gneiss and porphyritic granite disintegrated into smaller particles. The fine grains break down more easily than the large grains of quartz bound by clayey materials in charnockite-derived soils. Interestingly, the maximum dry density and optimum moisture content remain consistent in porphyritic and granite gneiss-derived soils after multiple compactions. Based on the densification and behaviour of the derived soils under multiple compaction in highway construction, porphyritic granite and granite gneiss-derived soils are more suitable as engineering materials than charnockite-derived soils.

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Section: Introductionmentioning

confidence: 99%