Okewalale, IA;
Coop, MR;
(2018)
Suitability of Different Approaches for Analyzing and Predicting the Behavior of Decomposed Volcanic Rocks.
Journal of Geotechnical and Geoenvironmental Engineering
, 144
(9)
, Article 04018064. 10.1061/(ASCE)GT.1943-5606.0001944.
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Abstract
Based on a detailed investigation of decomposed volcanic soils from Hong Kong, an extensive analysis has been made of the best approaches for prediction and description of the behavior of the decomposed volcanic rocks, materials that are commonly encountered by practicing engineers worldwide. The parameters considered were compressibility, strength, and in situ specific volume, and the indices considered were plasticity, a grading descriptor (fines content), mineralogy (clay minerals and quartz), and chemical weathering indices. The sampling depth and chemical weathering indices are the most appropriate factors to predict the compressibility of the decomposed volcanic rocks. The strength will be satisfactorily predicted by fines content, clay minerals, plasticity, and chemical weathering indices, whereas the depth, plasticity, and chemical weathering indices are most appropriate for predicting the in situ specific volume. The various approaches (depth, fines, mineralogy, plasticity, and chemical weathering indices) are each suitable for different parameters and are therefore recommended for practicing engineers working on these geomaterials, depending on which properties are needed.
| Type: | Article |
|---|---|
| Title: | Suitability of Different Approaches for Analyzing and Predicting the Behavior of Decomposed Volcanic Rocks |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1061/(ASCE)GT.1943-5606.0001944 |
| Publisher version: | https://doi.org/10.1061/(ASCE)GT.1943-5606.0001944 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10046115 |
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