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Journal of Rehabilitation in Civil Engineerin، جلد ۴، شماره ۱، صفحات ۶۱-۷۴
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Laboratory Study on the Effect of Water Cations’ Concentrations on the Bojnord Clay Consolidation Process
چکیده انگلیسی مقاله The initial consolidation settlement process of saturated cohesive soils has been one of the most important issues to geotechnical engineers especially in important and sensitive structures based which are located on saturated clay layer with high thickness. In dealing with initial consolidation settlement process and reducing its negative and destructive consequences, a number of solutions have been presented including but not limited to the implementation sand drainages, pre-loading and dynamic compaction; limitations of these methods include the necessity of implementing them before construction of the project. On the other hand, if the underground water level goes lower than regarded values, no appropriate approach else than the overhead reduction approach has been provided. In present research, with addition of concentrations of 250, 750 and 1250 Mg/lit in saturated water, laboratory study of the changes in initial consolidation settlement process, were investigated by standard Oedometer test device upon the addition of different concentrations of the cations, dissolved in saturated water on cylindrical samples of Bojnord clay with 2 cm in height and 7.5 cm in diameter. Achieved results represent significant changes in quantities of initial consolidation settlement process upon adding a variety of dissolved cations in saturated water; The results show that application of cations with different concentrations changes the values of initial consolidation settlement values in appropriate with type and concentration of cations that the highest reduction of the initial consolidation settlement of Bojnord clay valued at 24.61% for the sample made with Al+3 cation with ionic concentration of 1250 Mg/lit.
کلیدواژه‌های انگلیسی مقاله Initial consolidation settlement,clay,Oedometer test,Bojnord
نویسندگان مقاله سهیل قره |
associate professor, civil engineering department, faculty of engineering, payame noor university, tehran, iran
سازمان اصلی تایید شده: دانشگاه پیام نور تهران (Payame noor university)

سید علی رضویان امریی | seyed ali razavian amrei
assistant professor, civil engineering department, faculty of engineering, payame noor university, tehran, iran
سازمان اصلی تایید شده: دانشگاه پیام نور تهران (Payame noor university)

سید وحید مجتهد سیستانی | seyed vahid mojtahed sistani
msc in civil engineering, islamic azad university, central tehran branch, iran
سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

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