دانلود مقاله Durability aspects of recycled aggregate mortar mixtures با word دارای 12 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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سال انتشار: 1394
محل انتشار: دهمین کنگره بین المللی مهندسی عمران
تعداد صفحات: 12
نویسنده(ها):
Ali Mardani-Aghabaglou – Department of Civil Engineering, Ege University, Bornova-Izmir, Turkey
Ahsanollah Beglarigale – Department of Civil Engineering, Dokuz Eylul University, Buca-Izmir, Turkey
Halit YazICI – Department of Civil Engineering, Dokuz Eylul University, Buca-Izmir, Turkey
Kambiz Ramyar – Department of Civil Engineering, Ege University, Bornova-Izmir, Turkey
چکیده:
In this study the effects of recycled glass and recycled concrete fine aggregates on the compressive strength, water absorption, chloride-ion penetration, freeze-thaw and sulfate resistance as well as ASR expansion of mortar mixtures were investigated comparatively. For this purpose, 9 different mortar mixtures were prepared by replacing 25, 50, 75 and 100 wt% of crushed-limestone fine aggregate with recycled aggregates. Test results demonstrated that, compared to the control mixture, compressive strength of the mortar mixture decreased with increasing the recycled aggregate replacement level. The transport properties of recycled concrete aggregate-containing mixture were lower than those of the other two series. Frost resistance of mortar mixture improved by using both of the recycled aggregates. ASR expansion increased with increasing recycled glass aggregate replacement level. Mortar mixtures containing more than 50% recycled concrete aggregate showed higher sulfate resistance than the control mixture. This was attributed to the accumulation of ettringite in pores of the RC aggregate resulting in lower expansion.