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Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load
Stabilisation with cement is an effective way to increase the stiffness of base and subbase layers and to improve the rutting of subgrade. The aim of the study is to investigate the effect of different percentages of cement additives (1.5%, 3.0%, 4.5% and 6.0%) on the resilient modulus of coarse-gra...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8585400/ https://www.ncbi.nlm.nih.gov/pubmed/34772021 http://dx.doi.org/10.3390/ma14216495 |
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author | Zabielska-Adamska, Katarzyna Wasil, Mariola Dobrzycki, Patryk |
author_facet | Zabielska-Adamska, Katarzyna Wasil, Mariola Dobrzycki, Patryk |
author_sort | Zabielska-Adamska, Katarzyna |
collection | PubMed |
description | Stabilisation with cement is an effective way to increase the stiffness of base and subbase layers and to improve the rutting of subgrade. The aim of the study is to investigate the effect of different percentages of cement additives (1.5%, 3.0%, 4.5% and 6.0%) on the resilient modulus of coarse-grained soil used on road foundations. The influence of the compaction method, the standard Proctor and the modified Proctor, as well as the sample curing time is analysed. The cement addition significantly increases the resilient modulus and reduces the resilient axial strain. Extending the curing time from 7 to 28 days also improves the resilient modulus. The change in the compaction energy from standard to modified does not increase the resilient modulus of the stabilised gravelly sand due to its compaction characteristics. The test results of the resilient modulus of the gravelly sand stabilised with cement indicate the possibility of using it as a material for the road base and subbase due to meeting the AASHTO requirements. However, the non-stabilised gravelly sand does not meet the above requirements. It has been sheared during cyclic tests at the first load sequence, regardless of the compaction method. |
format | Online Article Text |
id | pubmed-8585400 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-85854002021-11-12 Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load Zabielska-Adamska, Katarzyna Wasil, Mariola Dobrzycki, Patryk Materials (Basel) Article Stabilisation with cement is an effective way to increase the stiffness of base and subbase layers and to improve the rutting of subgrade. The aim of the study is to investigate the effect of different percentages of cement additives (1.5%, 3.0%, 4.5% and 6.0%) on the resilient modulus of coarse-grained soil used on road foundations. The influence of the compaction method, the standard Proctor and the modified Proctor, as well as the sample curing time is analysed. The cement addition significantly increases the resilient modulus and reduces the resilient axial strain. Extending the curing time from 7 to 28 days also improves the resilient modulus. The change in the compaction energy from standard to modified does not increase the resilient modulus of the stabilised gravelly sand due to its compaction characteristics. The test results of the resilient modulus of the gravelly sand stabilised with cement indicate the possibility of using it as a material for the road base and subbase due to meeting the AASHTO requirements. However, the non-stabilised gravelly sand does not meet the above requirements. It has been sheared during cyclic tests at the first load sequence, regardless of the compaction method. MDPI 2021-10-29 /pmc/articles/PMC8585400/ /pubmed/34772021 http://dx.doi.org/10.3390/ma14216495 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Zabielska-Adamska, Katarzyna Wasil, Mariola Dobrzycki, Patryk Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title | Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title_full | Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title_fullStr | Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title_full_unstemmed | Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title_short | Resilient Response of Cement-Treated Coarse Post-Glacial Soil to Cyclic Load |
title_sort | resilient response of cement-treated coarse post-glacial soil to cyclic load |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8585400/ https://www.ncbi.nlm.nih.gov/pubmed/34772021 http://dx.doi.org/10.3390/ma14216495 |
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