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Experimental Study on Influence of Vaporous Water on Salt Expansion of Sulfate Saline Soil
المؤلفون المشاركون
Peng, Shuquan
Wang, Fan
Fan, Ling
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-07-31
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
The harm of salt expansion of saline soil in arid areas has always been a major problem to be solved urgently.
According to the conversion rule between sodium sulfate and sodium sulfate decahydrate, sodium sulfate decahydrate crystals can be precipitated from sodium sulfate solution by cooling.
Besides, when the relative humidity (RH) exceeds the critical relative humidity (CRH), sodium sulfate decahydrate can be formed by the combination of sodium sulfate and vaporous water, resulting in the salt volume expansion.
However, at present, in the salt expansion mechanism of sulfate saline soil, only the influence of liquid water is considered while vaporous water is not involved.
To study the effects of temperature, salinity, and ARH on salt expansion, the salt expansion test of dry sulfate saline soil under the action of vaporous water was conducted, and its composition was analyzed by X-ray diffraction (XRD) technology.
Experimental results showed that sodium sulfate decahydrate crystals were produced in the sulfate saline soil if the relative humidity (RH) of pore gas exceeded the critical one so that salt expansion occurred.
Salt expansion and salt expansion rate of sulfate saline soil increased with the increase of RH and salinity but decreased with the increase of temperature.
Therefore, the new salt expansion mechanism of sulfate saline soil under vaporous water is verified.
The experimental results further perfected the original salt expansion mechanism of sulfate saline soil under the action of liquid water and guided the study of new treatment methods of sulfate saline soil.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Peng, Shuquan& Wang, Fan& Fan, Ling. 2019. Experimental Study on Influence of Vaporous Water on Salt Expansion of Sulfate Saline Soil. Advances in Civil Engineering،Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1116811
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Peng, Shuquan…[et al.]. Experimental Study on Influence of Vaporous Water on Salt Expansion of Sulfate Saline Soil. Advances in Civil Engineering No. 2019 (2019), pp.1-9.
https://search.emarefa.net/detail/BIM-1116811
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Peng, Shuquan& Wang, Fan& Fan, Ling. Experimental Study on Influence of Vaporous Water on Salt Expansion of Sulfate Saline Soil. Advances in Civil Engineering. 2019. Vol. 2019, no. 2019, pp.1-9.
https://search.emarefa.net/detail/BIM-1116811
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1116811
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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