Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil
Gypsum soil is classified as problematic because it contains gypsum, a soluble substance in the presence of water. Therefore, it is recommended that it be improved before construction. This research examines the effect of clayey soils on enhancing the properties of gypseous soils. Two soil samples,...
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Al-Nahrain Journal for Engineering Sciences
2025-07-01
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| Series: | مجلة النهرين للعلوم الهندسية |
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| Online Access: | https://nahje.com/index.php/main/article/view/1375 |
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| author | Zainulabdeen Hussein Al Wattar Abdulaziz A. Al-Kifae |
| author_facet | Zainulabdeen Hussein Al Wattar Abdulaziz A. Al-Kifae |
| author_sort | Zainulabdeen Hussein Al Wattar |
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Gypsum soil is classified as problematic because it contains gypsum, a soluble substance in the presence of water. Therefore, it is recommended that it be improved before construction. This research examines the effect of clayey soils on enhancing the properties of gypseous soils. Two soil samples, designated as Soil 1 (with a gypsum concentration of 35.4%) and Soil 2 (with a gypsum content of 12.3%), were obtained from Al Najaf City, Iraq, and subjected to laboratory testing. The study investigates the use of cost-effective, locally available clayey soil to improve the engineering characteristics of gypseous soils, thereby mitigating the adverse effects of wetting. The experimental program encompassed a compaction, compressibility, and shear strength test. To assess the impact of clayey additives, gypseous soil was treated with varying percentages of clayey soil content (5% and 10%), and tests were conducted on both treated and untreated gypseous soil samples. The results indicated that using 10% clayey additives could decrease the collapse potential by 55% and 39% for Soil 1 and Soil 2, respectively. Additionally, the clayey additives significantly affected cohesion, with an enhancement percentage of 625% and 1315% under soaking conditions at 10% clayey additives for Soil 1 and Soil 2, respectively.
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| format | Article |
| id | doaj-art-a0760d4b8f6e4a59b12b3e9a7dc6df1c |
| institution | Matheson Library |
| issn | 2521-9154 2521-9162 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Al-Nahrain Journal for Engineering Sciences |
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| series | مجلة النهرين للعلوم الهندسية |
| spelling | doaj-art-a0760d4b8f6e4a59b12b3e9a7dc6df1c2025-07-26T15:12:41ZengAl-Nahrain Journal for Engineering Sciencesمجلة النهرين للعلوم الهندسية2521-91542521-91622025-07-0128210.29194/NJES.28020281Optimizing Different Gypseous Soil Characteristics Incorporating Clayey SoilZainulabdeen Hussein Al Wattar0Abdulaziz A. Al-Kifae1Department of Civil Engineering, Al-Nahrain University, Baghdad-Iraq.Department of Civil Engineering, Al-Nahrain University, Baghdad-Iraq. Gypsum soil is classified as problematic because it contains gypsum, a soluble substance in the presence of water. Therefore, it is recommended that it be improved before construction. This research examines the effect of clayey soils on enhancing the properties of gypseous soils. Two soil samples, designated as Soil 1 (with a gypsum concentration of 35.4%) and Soil 2 (with a gypsum content of 12.3%), were obtained from Al Najaf City, Iraq, and subjected to laboratory testing. The study investigates the use of cost-effective, locally available clayey soil to improve the engineering characteristics of gypseous soils, thereby mitigating the adverse effects of wetting. The experimental program encompassed a compaction, compressibility, and shear strength test. To assess the impact of clayey additives, gypseous soil was treated with varying percentages of clayey soil content (5% and 10%), and tests were conducted on both treated and untreated gypseous soil samples. The results indicated that using 10% clayey additives could decrease the collapse potential by 55% and 39% for Soil 1 and Soil 2, respectively. Additionally, the clayey additives significantly affected cohesion, with an enhancement percentage of 625% and 1315% under soaking conditions at 10% clayey additives for Soil 1 and Soil 2, respectively. https://nahje.com/index.php/main/article/view/1375Gypseous SoilClayey AdditivesCollapse PotentialCohesionSEM |
| spellingShingle | Zainulabdeen Hussein Al Wattar Abdulaziz A. Al-Kifae Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil مجلة النهرين للعلوم الهندسية Gypseous Soil Clayey Additives Collapse Potential Cohesion SEM |
| title | Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil |
| title_full | Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil |
| title_fullStr | Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil |
| title_full_unstemmed | Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil |
| title_short | Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil |
| title_sort | optimizing different gypseous soil characteristics incorporating clayey soil |
| topic | Gypseous Soil Clayey Additives Collapse Potential Cohesion SEM |
| url | https://nahje.com/index.php/main/article/view/1375 |
| work_keys_str_mv | AT zainulabdeenhusseinalwattar optimizingdifferentgypseoussoilcharacteristicsincorporatingclayeysoil AT abdulazizaalkifae optimizingdifferentgypseoussoilcharacteristicsincorporatingclayeysoil |