features of west african standard compaction energy

Standard Light (BSL) BS (1990b), West African Standard (WAS), and British Standard Heavy (BSH) BS (1990b) corresponding to 605.90 kNm/m 3, 1009.82 kNm/m and 2726.19 kNm/m3 compaction energies respectively were used to obtain the compaction characteristics of the soils. Each compaction utilized the BS mould which has a volume of 1000 cm 3. The ...

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PDF Evaluation of compaction properties of some semi

Standard light (BSL) and British Standard Heavy (BSH) compaction energy while the West African Standard (WAS) compaction is the effort derived from 4.5 kg rammer fallin g through

Geotechnical Study of the Properties of Black Cotton Soil

Jun 15, 2019 Ordinary Portland cement (OPC)/Bone ash (BA) blend in stepped concentrations of 0, 2, 4, 6 and 8% and 0, 2, 4, 6, 8 and 10% respectively, by dry weight of soil, were used to treat the soil. Compaction was carried out using three energy levels namely: the British Standard Light, West African Standard and the British Standard Heavy.

Equivalent Blows Approach to the Calibration of a

Standard Light (BSL), Reduced British Standard Light (RBSL), West African Standard (WAS), and British Standard Heavy (BSH), using the same lateritic soil material and same number of layers. The research shows that there is a consistent increase in Maximum Dry Density and decrease in Optimum Moisture Content as compactive efforts increased.

Mechanical Cement Stabilization of Laterite for Use as

The OMC at the West African standard (WAS) energy level was consistently lower than the values obtained at the standard proctor (SP) energy level, while the corresponding values of maximum dry density were higher at the WAS energy level than the values at the SP energy level.

The effects of dimensional mould sizes on volumetric

The compaction tests were carried out for the soil all according to [13] Part 4, using the British Standard light, West African Standard and the British Standard heavy. 3 kg of the soil sample was mixed thoroughly with 4% of water (and the water was added at 4% for each of the compaction).

SOME GEOTECHNICAL PROPERTIES OF TWO LATERITE SOILS

The amphibolite derived laterite soil will however require at least the energy of the West African compaction (1.07 mnm/cu m) to be suitable for similar purposes in view of its relatively low maximum dry densities and high compressibilities.

Influence of Compactive Efforts and Compaction Delays on

Mar 01, 1998 The results obtained show that the compaction and strength properties of the lime-treated soil decreased with increases in compaction delays. The decreases that were generally greater at higher lime contents were more prominent in specimens compacted at the energy of the West African standard.

Influence of Compaction Energies on the Strength

Nov 19, 2014 Abstract. Used lubricating oil–contaminated soil was treated with up to 6 % lime content by dry weight of soil. Specimens of artificially contaminated and treated lateritic soil were compacted using two compaction energies, namely, standard proctor (SP) and West African standard (WAS) or “intermediate.”. Samples were subjected to compaction and strength [unconfined compressive …

Improvement of the Index and Compaction Characteristics of

May 28, 2020 Index tests were carried out to classify the natural soil, while the moisture-density relationships were determined by compaction tests on the natural and treated soils using three energy levels viz, British Standard light (BSL), West African Standard (WAS) and British Standard …

Evaluation of Strength Characteristics of Tropical Black

Jan 04, 2016 Specimens were compacted using British Standard light (BSL), West African Standard (WAS) or ‘Intermediate’ and British Standard heavy (BSH) energies that simulate the likely compactive efforts that might occur in the field. The BSL and BSH compactions were carried out in accordance with BS 1377 and BS 1924 . WAS compaction is the effort derived from a 4.5 kg rammer falling through 45 …

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