Enhancing the engineering properties of expansive soil using bagasse ash

This paper deals with stabilization of expansive soil on a laboratory experimental basis. The aim of the research was to evaluate the enhancement of the engineering properties of expansive soil using bagasse ash. The soil is treated with bagasse ash by weight (0, 5, 10, 15, and 20%) based on dry mas...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-11, Vol.909 (1), p.12068
Main Authors: Surjandari, Niken Silmi, Djarwanti, Noegroho, Ukoi, Nafisah Umri
Format: Article
Language:English
Subjects:
Ashes
Bagasse
Chemical composition
Clay minerals
Dry density
Expansive soils
Performance tests
Physics
Plasticity index
Soil compaction
Soil properties
Soil stabilization
Stabilization
Swelling
X-ray fluorescence
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Summary:This paper deals with stabilization of expansive soil on a laboratory experimental basis. The aim of the research was to evaluate the enhancement of the engineering properties of expansive soil using bagasse ash. The soil is treated with bagasse ash by weight (0, 5, 10, 15, and 20%) based on dry mass. The performance of bagasse ash stabilized soil was evaluated using physical and strength performance tests, namely the plasticity index, standard Proctor compaction, and percentage swelling. An X-ray diffraction (XRD) test was conducted to evaluate the clay mineral, whereas an X-ray fluorescence (XRF) was to the chemical composition of bagasse ash. From the results, it was observed that the basic tests carried out proved some soil properties after the addition of bagasse ash. Furthermore, the plasticity index decreased from 53.18 to 47.70%. The maximum dry density of the specimen increased from 1.13 to 1.24 gr/cm3. The percentage swelling decreased from 5.48 to 3.29%. The outcomes of these tests demonstrate that stabilization of expansive soils using bagasse ash can improve the strength.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/909/1/012068