کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1457788 989280 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Use of limestone obtained from waste of the mussel cannery industry for the production of mortars
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی صنعتی و تولید
پیش نمایش صفحه اول مقاله
Use of limestone obtained from waste of the mussel cannery industry for the production of mortars
چکیده انگلیسی

Various types of cement−SiO2−CaCO3 mortar were prepared by replacing quarry limestone aggregate with limestone obtained as a by-product from waste of the mussel cannery industry. The CaCO3 aggregate consists mainly of elongated prismatic particles less than 4 μm long rather than of the rounded particles of smaller size (2–6 μm) obtained with quarry limestone. The mechanical and structural properties of the mortars were found to be influenced by aggregate morphology. Setting of the different types of mortar after variable curing times was evaluated by scanning electron microscopy (SEM), thermogravimetric analysis (TG) and mercury intrusion porosimetry (MIP) techniques. Mortars with a high content in mussel shell limestone exhibited a more packed microstructure, which facilitates setting of cement and results in improved mortar strength. The enhanced mechanical properties of the new mortars allow the cement content in the final mortar composition to be decreased and production costs to be reduced as a result.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cement and Concrete Research - Volume 37, Issue 4, April 2007, Pages 559–564
نویسندگان
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