Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures
One of the conventional ways to improve the mechanical behavior of soils is to mix them with cementing agents such as cement, lime and fly ash. Recently, introduction to alternative materials or sub-products that can be adopted to improve the soil strength is of paramount importance. Therefore, the...
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| Format: | Article |
| Language: | English |
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Elsevier
2019-04-01
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| Series: | Journal of Rock Mechanics and Geotechnical Engineering |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1674775518300659 |
| _version_ | 1811201938288541696 |
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| author | Eclesielter Batista Moreira Jair Arrieta Baldovino Juliana Lundgren Rose Ronaldo Luis dos Santos Izzo |
| author_facet | Eclesielter Batista Moreira Jair Arrieta Baldovino Juliana Lundgren Rose Ronaldo Luis dos Santos Izzo |
| author_sort | Eclesielter Batista Moreira |
| collection | DOAJ |
| description | One of the conventional ways to improve the mechanical behavior of soils is to mix them with cementing agents such as cement, lime and fly ash. Recently, introduction to alternative materials or sub-products that can be adopted to improve the soil strength is of paramount importance. Therefore, the present study aims to investigate the effects of porosity (η), dry unit weight (γd) of molding, cement content (C) and porosity/volumetric cement content ratio (η/Civ) or void/cement ratio on the unconfined compressive strength (qu or UCS) of silty soil–roof tile waste (RT) mixtures. Soil samples are molded into four different dry unit weights (i.e. 13 kN/m3, 13.67 kN/m3, 14.33 kN/m3 and 15 kN/m3) using 3%, 6% and 9% cement and 5%, 15% and 30% RT. The results show that with the addition of cement, the strength of the RT–soil mixtures increases in a linear manner. On the other hand, the addition of RT decreases qu of the samples at a constant percentage of cement, and the decrease in porosity can increase qu. A dosage equation is derived from the experimental data using the porosity/volumetric cement content ratio (η/Civ) where the control variables are the moisture content, crushed tile content, cement content and porosity. Keywords: Roof tile waste (RT), Voids/cement ratio, Reuse, Ground improvement |
| first_indexed | 2024-04-12T02:30:26Z |
| format | Article |
| id | doaj.art-c970a2a1d34548209725573a5a0c6393 |
| institution | Directory Open Access Journal |
| issn | 1674-7755 |
| language | English |
| last_indexed | 2024-04-12T02:30:26Z |
| publishDate | 2019-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Rock Mechanics and Geotechnical Engineering |
| spelling | doaj.art-c970a2a1d34548209725573a5a0c63932022-12-22T03:51:49ZengElsevierJournal of Rock Mechanics and Geotechnical Engineering1674-77552019-04-01112369378Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixturesEclesielter Batista Moreira0Jair Arrieta Baldovino1Juliana Lundgren Rose2Ronaldo Luis dos Santos Izzo3Department of Civil Construction, Federal University of Technology – Paraná, Campus Curitiba, Ecoville, Paraná, BrazilDepartment of Civil Construction, Federal University of Technology – Paraná, Campus Curitiba, Ecoville, Paraná, BrazilDepartment of Civil Construction, Federal University of Technology – Paraná, Campus Curitiba, Ecoville, Paraná, BrazilCorresponding author.; Department of Civil Construction, Federal University of Technology – Paraná, Campus Curitiba, Ecoville, Paraná, BrazilOne of the conventional ways to improve the mechanical behavior of soils is to mix them with cementing agents such as cement, lime and fly ash. Recently, introduction to alternative materials or sub-products that can be adopted to improve the soil strength is of paramount importance. Therefore, the present study aims to investigate the effects of porosity (η), dry unit weight (γd) of molding, cement content (C) and porosity/volumetric cement content ratio (η/Civ) or void/cement ratio on the unconfined compressive strength (qu or UCS) of silty soil–roof tile waste (RT) mixtures. Soil samples are molded into four different dry unit weights (i.e. 13 kN/m3, 13.67 kN/m3, 14.33 kN/m3 and 15 kN/m3) using 3%, 6% and 9% cement and 5%, 15% and 30% RT. The results show that with the addition of cement, the strength of the RT–soil mixtures increases in a linear manner. On the other hand, the addition of RT decreases qu of the samples at a constant percentage of cement, and the decrease in porosity can increase qu. A dosage equation is derived from the experimental data using the porosity/volumetric cement content ratio (η/Civ) where the control variables are the moisture content, crushed tile content, cement content and porosity. Keywords: Roof tile waste (RT), Voids/cement ratio, Reuse, Ground improvementhttp://www.sciencedirect.com/science/article/pii/S1674775518300659 |
| spellingShingle | Eclesielter Batista Moreira Jair Arrieta Baldovino Juliana Lundgren Rose Ronaldo Luis dos Santos Izzo Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures Journal of Rock Mechanics and Geotechnical Engineering |
| title | Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures |
| title_full | Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures |
| title_fullStr | Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures |
| title_full_unstemmed | Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures |
| title_short | Effects of porosity, dry unit weight, cement content and void/cement ratio on unconfined compressive strength of roof tile waste-silty soil mixtures |
| title_sort | effects of porosity dry unit weight cement content and void cement ratio on unconfined compressive strength of roof tile waste silty soil mixtures |
| url | http://www.sciencedirect.com/science/article/pii/S1674775518300659 |
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