Studying the effects of masonry Mel powder (limestone powder with a high percentage of calcium carbonate) on the mechanical properties of high strength lightweight structural concrete using expanded light particle perlite

Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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ICCT04_407

تاریخ نمایه سازی: 7 مرداد 1392

Abstract:

Due to increased pollution problems of cement factories and its adverse impact on the environment and the high global price of this strategic material that increases the final cost of concrete, there are always a lot of efforts to achieve high strength lightweight structural concrete using indigenous and inexpensive materials that are replaced by part of the environmentally friendly cement in order to achieve sustainable development. Therefore, 204 cylindrical concrete samples were considered in 30*15 sizes with 34 mix designs, including concretes containing Mel powder (limestone powder with a high percentage of calcium carbonate) with different mix percentages. Results of this study that are obtained by implementing tests on samples made on 7 days, 28 days and 90 days demonstrated that using masonry Mel powder as 17 percent of cement weight, decrease weight of concrete and increase compressive and tensile strength of concrete using micro silica by 50 percent and increase by 30 percent in the absence of micro silica

Authors

Yousef Zandi

Member of Academic Staff, Department of Civil Engineering, Tabriz Branch, Islamic Azad

Metin Husem

Department of Civil Engineering , Karadeniz Teknik University , Turkey

Arash Sohrabi

MA Student in Civil Engineering – Structure

Samad Dehghan

MA Student in Civil Engineering – Structure

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