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http://hdl.handle.net/20.500.12358/24552
TitleInfluence of Several Nano Minerals on The Mechanical Properties of Fresh and hardened Concrete
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Abstract

The current study aims at obtaining the influence of adding several nano-minerals on the mechanical properties of fresh and hardened concrete. Four types of Nano minerals were investigated in this work; namely: Brown Iron Oxide, Barium Sulfate, Titanium Dioxide and Poly Acrylic Acid. Five contents of each nano-minerals were studied. A range of contents starting from 0.5% to 2.5% with an increment of 0.5% by cement content of Brown Iron Oxide and Barium Sulfate was investigated. The Titanium Dioxide and Poly Acrylic Acid were added to concrete in percentages of 1% to 5% with an increment of 1% by cement content. Adding 5% Poly Acrylic Acid to the other three nano-minerals at selected contents separately was also studied. The measured mechanical properties of concrete comprised slump value, 7 and 28 days compressive strength. Some of the results revealed that there was 24% increase in the slump value corresponding to every 1% increase in PAA content. An improvement of 6.9% in the 28 days compressive strength was measured at every 0.5% increase of Brown Iron Oxide. It was also found that by adding 5% Poly Acrylic Acid and 2.5% Brown Iron Oxide to the concrete at the same time, the slump increased from 90 mm to 170 mm (88.9% increase) and the 28 days compressive strength improved from 37.37 kg/cm2 to 49.35 kg/cm2 (32.1% increase).

Authors
Alqedra, Mamoun
Dabbour, Bassam
Arafa, Mohammed
TypeJournal Article
Date2014
Published inScientific Cooperation’s International Workshops on Engineering Branches
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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