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Title

An Investigation on Mechanical Properties and Durability of Concrete Containing Silica Fume and Fly Ash

Year: 1395
COI: JR_CEJ-2-5_006
Language: EnglishView: 398
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Authors

A. Sadr Momtazia - aAssociate Professor of Civil Engineering Faculty, Guilan University, Iran.
B. Tahmouresib - bM.Sc Student of Civil Engineering, Guilan University, Iran.
R. Kohani Khoshkbijaric - cPh.D Candidate of Civil Engineering, Guilan University, Iran.

Abstract:

Nowadays pozzolans are used vastly in civil projects. Pozzolan is a natural or artificial material containing active silica that increase the strength and improves some properties of concrete. In this survey for investigating some important properties of concrete, silica fume and fly ash was used in replacement of cement in different weights. Concrete compositions were made with water-cement ratio of 0.45 and cured under the same conditions. The main focus of this survey is to investigate the individual and combined effect of using Pozzolan on mechanical properties, permeability and shrinkage of concrete. The mechanical properties of concrete in compressive and bending strength at the age of 7, 28 and 90 days, were evaluated. Permeability was investigated with the water absorption test. The drying shrinkage of concrete was monitored for 90 days. Scanning Electron Microscopy (SEM) images was used in concrete cement based matrix morphology. The results showed that the addition of pozzolan increases the mechanical strength and reduce permeability and increase the drying shrinkage in some mixtures

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Paper COI Code

This Paper COI Code is JR_CEJ-2-5_006. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/500959/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Sadr Momtazia, A. and Tahmouresib, B. and Kohani Khoshkbijaric, R.,1395,An Investigation on Mechanical Properties and Durability of Concrete Containing Silica Fume and Fly Ash,https://civilica.com/doc/500959

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Type of center: دانشگاه دولتی
Paper count: 13,567
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