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Effect of Disintegration Times of the Homogeneity of Soil prior to Treatment
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering. Engineering Dept., University of Babylon, Babylon, Iraq.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0003-1935-1743
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-1365-8552
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0002-6790-2653
2019 (English)In: Applied Sciences, E-ISSN 2076-3417, Vol. 9, no 22, article id 4791Article in journal (Refereed) Published
Abstract [en]

This paper presents an experimental study to investigate the effect of various disintegration times on the homogeneity of pre-treated natural soil before mixing with cementitious binders. Various disintegration times were applied, ranging from 10 s to 120 s. Four different soils were used with different characteristics from high, medium and low plasticity properties. Visual and sieving assessment were used to evaluate the best disintegration times to allow for a uniform distribution of water content and small-sized particles that would produce a uniform distribution of the binder around the soil particles. Results showed that a proper mixing time to homogenize and disintegrate the soil prior to treatment depended on several factors: soil type, water content and plasticity properties. For high plasticity soil, the disintegration time should be kept as short as possible. Increasing the disintegration time ha negative effects on the uniformity of distribution of the binder around soil particles. The homogenizing and disintegration time were less important for low plasticity soils with low water content than for medium to high plasticity soils. The findings could assist various construction projects that deal with soil improvement through preparation of soil before adding a cementitious binder to ensure uniformity of distribution of the binder around soil particles and obtain uniform soil–binder mixtures

Place, publisher, year, edition, pages
Switzerland: MDPI, 2019. Vol. 9, no 22, article id 4791
Keywords [en]
soil, homogenize, disaggregate, prior to treatment, time
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-76657DOI: 10.3390/app9224791OAI: oai:DiVA.org:ltu-76657DiVA, id: diva2:1368966
Note

Validerad;2019;Nivå 2;2019-11-11 (johcin)

Available from: 2019-11-09 Created: 2019-11-09 Last updated: 2019-11-11Bibliographically approved

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