During a massive flood or earthquake, the roads are mainly damaged due to the looseness of the subgrades. In recent times for any new constructions of roads and embankments the subgrades mainly constructed with the sand filling. It is difficult to achieve the desired degree of compaction beyond a certain limit. That’s why the bases (subgrades) become loose. This study aims to overcome the situation by increasing compaction and shear strength properties of sand filling. In this paper, an intensive laboratory investigation of fines with sands is investigated by a series of the proctor test and direct shear test. In this study, fines were mixed with the sand samples in a proportion of 10%, 20%, 30%, 45% and 55% to examine the effect on maximum dry density. Tests indicated that 45 to 55% fines with sands having different Fineness Modulus (FM), the Maximum Dry Density (MDD) of the sand can be increased up to 18 to 26% depending on FM. The results revealed that the density and shear strength (cohesion) of sand both increase significantly with the addition of fines with it up to a certain percentage. This increment in MDD and shear strength makes the bases (subgrades) stronger and stable. This result can be used in disaster resilient road or embankment construction and also for the structures having a shallow foundation.
| Published in | International Journal of Transportation Engineering and Technology (Volume 6, Issue 2) |
| DOI | 10.11648/j.ijtet.20200602.11 |
| Page(s) | 38-43 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2020. Published by Science Publishing Group |
Dry Density, Disaster Resilient Road, Fineness Modulus, Fines with Sands, Shear Strength
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APA Style
Md. Shahin, Md. Mehedi Hasan Khan, Md. Niamul Bari. (2020). A Disaster Resilient Road: Effects of Fines on Density and Shear Strength of Sands. International Journal of Transportation Engineering and Technology, 6(2), 38-43. https://doi.org/10.11648/j.ijtet.20200602.11
ACS Style
Md. Shahin; Md. Mehedi Hasan Khan; Md. Niamul Bari. A Disaster Resilient Road: Effects of Fines on Density and Shear Strength of Sands. Int. J. Transp. Eng. Technol. 2020, 6(2), 38-43. doi: 10.11648/j.ijtet.20200602.11
AMA Style
Md. Shahin, Md. Mehedi Hasan Khan, Md. Niamul Bari. A Disaster Resilient Road: Effects of Fines on Density and Shear Strength of Sands. Int J Transp Eng Technol. 2020;6(2):38-43. doi: 10.11648/j.ijtet.20200602.11
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Download@article{10.11648/j.ijtet.20200602.11,
author = {Md. Shahin and Md. Mehedi Hasan Khan and Md. Niamul Bari},
title = {A Disaster Resilient Road: Effects of Fines on Density and Shear Strength of Sands},
journal = {International Journal of Transportation Engineering and Technology},
volume = {6},
number = {2},
pages = {38-43},
doi = {10.11648/j.ijtet.20200602.11},
url = {https://doi.org/10.11648/j.ijtet.20200602.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijtet.20200602.11},
abstract = {During a massive flood or earthquake, the roads are mainly damaged due to the looseness of the subgrades. In recent times for any new constructions of roads and embankments the subgrades mainly constructed with the sand filling. It is difficult to achieve the desired degree of compaction beyond a certain limit. That’s why the bases (subgrades) become loose. This study aims to overcome the situation by increasing compaction and shear strength properties of sand filling. In this paper, an intensive laboratory investigation of fines with sands is investigated by a series of the proctor test and direct shear test. In this study, fines were mixed with the sand samples in a proportion of 10%, 20%, 30%, 45% and 55% to examine the effect on maximum dry density. Tests indicated that 45 to 55% fines with sands having different Fineness Modulus (FM), the Maximum Dry Density (MDD) of the sand can be increased up to 18 to 26% depending on FM. The results revealed that the density and shear strength (cohesion) of sand both increase significantly with the addition of fines with it up to a certain percentage. This increment in MDD and shear strength makes the bases (subgrades) stronger and stable. This result can be used in disaster resilient road or embankment construction and also for the structures having a shallow foundation.},
year = {2020}
}
TY - JOUR T1 - A Disaster Resilient Road: Effects of Fines on Density and Shear Strength of Sands AU - Md. Shahin AU - Md. Mehedi Hasan Khan AU - Md. Niamul Bari Y1 - 2020/04/23 PY - 2020 N1 - https://doi.org/10.11648/j.ijtet.20200602.11 DO - 10.11648/j.ijtet.20200602.11 T2 - International Journal of Transportation Engineering and Technology JF - International Journal of Transportation Engineering and Technology JO - International Journal of Transportation Engineering and Technology SP - 38 EP - 43 PB - Science Publishing Group SN - 2575-1751 UR - https://doi.org/10.11648/j.ijtet.20200602.11 AB - During a massive flood or earthquake, the roads are mainly damaged due to the looseness of the subgrades. In recent times for any new constructions of roads and embankments the subgrades mainly constructed with the sand filling. It is difficult to achieve the desired degree of compaction beyond a certain limit. That’s why the bases (subgrades) become loose. This study aims to overcome the situation by increasing compaction and shear strength properties of sand filling. In this paper, an intensive laboratory investigation of fines with sands is investigated by a series of the proctor test and direct shear test. In this study, fines were mixed with the sand samples in a proportion of 10%, 20%, 30%, 45% and 55% to examine the effect on maximum dry density. Tests indicated that 45 to 55% fines with sands having different Fineness Modulus (FM), the Maximum Dry Density (MDD) of the sand can be increased up to 18 to 26% depending on FM. The results revealed that the density and shear strength (cohesion) of sand both increase significantly with the addition of fines with it up to a certain percentage. This increment in MDD and shear strength makes the bases (subgrades) stronger and stable. This result can be used in disaster resilient road or embankment construction and also for the structures having a shallow foundation. VL - 6 IS - 2 ER -
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