Geotechnical study of sand-fadr mixture for landfill cover and liner
المؤلفون المشاركون
Hafiz, Hisham H.
Karakish, Ashraf A. K.
Radwan, Nassar A. A.
المصدر
Housing and Building National Research Center Journal
العدد
المجلد 3، العدد 1 (30 إبريل/نيسان 2007)، ص ص. 107-117، 11ص.
الناشر
المركز القومي لبحوث الإسكان و البناء
تاريخ النشر
2007-04-30
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الموضوعات
الملخص EN
Engineering of waste containment facilities began in the 1970s with the introduction of clay liners and covers, which led to the sanitary landfills concept.
Currently, all waste landfill systems should have covers and liners of low permeability.
Consequently, the cover and liner design has undergone great changes, with new materials being introduced and new design philosophies being adopted.
The main and most important component of landfill cover and liner is the hydraulic barrier layer.
As clay is not readily available at many locations, different substitutions have been investigated.
One of these substitutions is the sand-bentonite mixture, which achieves good performance but with relatively high cost.
In this paper a new economical substitution is studied.
It consists of using fatty acid distillation residuals (FADR) mixed with sand as a hydraulic barrier layer.
Mixing sand with an appropriate percentage of FADR yields a mixture having low hydraulic conductivity that can be used as a hydraulic barrier layer in landfill liner and cover.
In this study, direct shear and hydraulic conductivity tests have been conducted on samples with different sand to FADR ratios to get the optimum value fulfilling the landfill liner and cover requirements.
The tests show that the minimum FADR percentage that achieves the required permeability suitable for most landfills is 4%.
In this case the mixture possesses a permeability k = 1 * 10-7 cm / sec, a cohesion c = 0.12 kg / cm2, and an angle of shearing resistance ø = 33.8°.
The research results indicate that the use of FADR in landfills is promising and can constitute a good landfill cover and liner alternative from the economical and technical points of view.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Hafiz, Hisham H.& Karakish, Ashraf A. K.& Radwan, Nassar A. A.. 2007. Geotechnical study of sand-fadr mixture for landfill cover and liner. Housing and Building National Research Center Journal،Vol. 3, no. 1, pp.107-117.
https://search.emarefa.net/detail/BIM-33407
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Hafiz, Hisham H.…[et al.]. Geotechnical study of sand-fadr mixture for landfill cover and liner. Housing and Building National Research Center Journal Vol. 3, no. 1 (Apr. 2007), pp.107-117.
https://search.emarefa.net/detail/BIM-33407
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Hafiz, Hisham H.& Karakish, Ashraf A. K.& Radwan, Nassar A. A.. Geotechnical study of sand-fadr mixture for landfill cover and liner. Housing and Building National Research Center Journal. 2007. Vol. 3, no. 1, pp.107-117.
https://search.emarefa.net/detail/BIM-33407
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 117
رقم السجل
BIM-33407
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر