کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
8094482 1522061 2018 23 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Performance of rendering mortars containing sludge from water treatment plants as fine recycled aggregate
ترجمه فارسی عنوان
عملکرد ملات لجن حاوی لجن از گیاهان تصفیه آب به عنوان یک ترکیب جامد بازیافت شده
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
The disposal and treatment of certain wastes have been neglected by most industries because of economic factors, and the wastes are disposed of at inappropriate locations. Moreover, the use of finite raw materials and their impact has led to the search for alternative materials that can be reused in the construction industry. The present study investigated the mechanical properties (bond strength, compressive strength, and flexural strength), durability (water absorption), and microstructural analysis of rendering mortars with different levels of replacement (2.5 wt%, 5 wt%, 7.5 wt%, and 10 wt%) of natural sand by water treatment sludge aggregate. The results were statistically analyzed through mathematical models and analysis of variance. It is evident from this study that the inclusion of sludge increases the porosity of the mortars, which influences all the physical and mechanical properties. The bond strength, which is the main property of the rendering mortar, showed satisfactory values (> 0.2 MPa) for mortars with 5% of water treatment sludge, despite having high variability. Furthermore, the microstructural analysis showed the influence of particle characteristics on the performance of the mortars with water treatment sludge. Overall, this study showed that the residue, as a source of fine mortar aggregates, could be considered a feasible and sustainable alternative for use in the construction sector.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Cleaner Production - Volume 192, 10 August 2018, Pages 159-168
نویسندگان
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