A general best-fitting equation for the multimodal soil–water characteristic curve
The soil–water characteristic curve (SWCC) is one of the most crucial and fundamental soil properties in unsaturated soil mechanics. Many theories and equations have been developed to describe and best fit SWCC with unimodal or bimodal characteristics. In this study, a general best-fitting equation...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/169262 |
| _version_ | 1824453900203196416 |
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| author | Zhao, Yan Rahardjo, Harianto Satyanaga, Alfrendo Zhai, Qian He,Jie |
| author2 | School of Civil and Environmental Engineering |
| author_facet | School of Civil and Environmental Engineering Zhao, Yan Rahardjo, Harianto Satyanaga, Alfrendo Zhai, Qian He,Jie |
| author_sort | Zhao, Yan |
| collection | NTU |
| description | The soil–water characteristic curve (SWCC) is one of the most crucial and fundamental soil properties in unsaturated soil mechanics. Many theories and equations have been developed to describe and best fit SWCC with unimodal or bimodal characteristics. In this study, a general best-fitting equation for SWCC with multimodal characteristics (bimodal and trimodal SWCC) is proposed. The parameters in the proposed equation are closely related to the properties of soil and variables in the SWCC. To evaluate the performance of the proposed equation in best-fitting multimodal SWCC that has more than two modalities, a trimodal SWCC soil mixture that consists of sand, kaolin and activated carbon has been prepared and tested in the laboratory in this study. The proposed equation has been evaluated with data from published literature and the newly developed soil mixture of trimodal SWCC. The proposed equation has shown high accuracy for best-fitting bimodal SWCC and trimodal SWCC. |
| first_indexed | 2025-02-19T03:13:46Z |
| format | Journal Article |
| id | ntu-10356/169262 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-02-19T03:13:46Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1692622023-07-12T15:34:48Z A general best-fitting equation for the multimodal soil–water characteristic curve Zhao, Yan Rahardjo, Harianto Satyanaga, Alfrendo Zhai, Qian He,Jie School of Civil and Environmental Engineering Interdisciplinary Graduate School (IGS) Nanyang Environment and Water Research Institute Engineering::Civil engineering Unsaturated Soil Mechanics Activated Carbon The soil–water characteristic curve (SWCC) is one of the most crucial and fundamental soil properties in unsaturated soil mechanics. Many theories and equations have been developed to describe and best fit SWCC with unimodal or bimodal characteristics. In this study, a general best-fitting equation for SWCC with multimodal characteristics (bimodal and trimodal SWCC) is proposed. The parameters in the proposed equation are closely related to the properties of soil and variables in the SWCC. To evaluate the performance of the proposed equation in best-fitting multimodal SWCC that has more than two modalities, a trimodal SWCC soil mixture that consists of sand, kaolin and activated carbon has been prepared and tested in the laboratory in this study. The proposed equation has been evaluated with data from published literature and the newly developed soil mixture of trimodal SWCC. The proposed equation has shown high accuracy for best-fitting bimodal SWCC and trimodal SWCC. Nanyang Technological University Submitted/Accepted version This study was supported by a research scholarship from the Nanyang Environment & Water Research Institute (NEWRI) and Nanyang Technological University, Singapore. 2023-07-10T07:09:39Z 2023-07-10T07:09:39Z 2023 Journal Article Zhao, Y., Rahardjo, H., Satyanaga, A., Zhai, Q. & He, J. (2023). A general best-fitting equation for the multimodal soil–water characteristic curve. Geotechnical and Geological Engineering, 41(5), 3239-3252. https://dx.doi.org/10.1007/s10706-023-02447-z 0960-3182 https://hdl.handle.net/10356/169262 10.1007/s10706-023-02447-z 2-s2.0-85152382846 5 41 3239 3252 en Geotechnical and Geological Engineering © 2023 The Author(s), under exclusive licence to Springer Nature Switzerland AG. All rights reserved. This version of the article has been accepted for publication, after peer review and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s10706-023-02447-z. application/pdf |
| spellingShingle | Engineering::Civil engineering Unsaturated Soil Mechanics Activated Carbon Zhao, Yan Rahardjo, Harianto Satyanaga, Alfrendo Zhai, Qian He,Jie A general best-fitting equation for the multimodal soil–water characteristic curve |
| title | A general best-fitting equation for the multimodal soil–water characteristic curve |
| title_full | A general best-fitting equation for the multimodal soil–water characteristic curve |
| title_fullStr | A general best-fitting equation for the multimodal soil–water characteristic curve |
| title_full_unstemmed | A general best-fitting equation for the multimodal soil–water characteristic curve |
| title_short | A general best-fitting equation for the multimodal soil–water characteristic curve |
| title_sort | general best fitting equation for the multimodal soil water characteristic curve |
| topic | Engineering::Civil engineering Unsaturated Soil Mechanics Activated Carbon |
| url | https://hdl.handle.net/10356/169262 |
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