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Research Article

An investigation of high temperature effect on pumice aggregate light mortars with brick flour

Behçet Dündar, Emriye Çınar, Ahmet Necip Çalışkan

Civil Engineering Department, University of Osmaniye Korkut Ata, Osmaniye, Turkey

Keywords

Abstract



Light Mortar;

 Pumice; 

 Brick Flour; 

 High Temperature



In this study, physical and mechanical properties of pumice aggregate substituted with brick flour as mineral additive and light mortars were investigated. At the preparation of mortars, pumice (0-4mm) as a fine aggregate and CEM I 42.5R Portland Cement were used. Standard mortar mixing ratios were taken as fine aggregate/Cement/Water=3/1/0.5 and pumice aggregate is used as a fine aggregate. Brick flour, which is used as mineral additive, is substituted with 0%, 10%, 20% and 30% by weight of cement. The flow values of produced mortars were determined while they were in fresh form. Mortar samples were cured in standard cure pool for 28 days. Flexural and compressive strengths of the mortar samples which were cured for 7 days, were measured. Physical properties such as water absorption, porosity and unit volume weight of 28 days cured mortars were determined and flexural and compressive strengths were calculated. At the end of 28th day samples which were reached its final strength, were exposed to 200 ⁰C, 400 ⁰C, 600 ⁰C and 800 ⁰C heats in High Temperature Oven. With determining of flexural and compressive strengths after heating, strength loss between before and after heating was designated. It is observed that the flexural and compressive strengths were decreased with increasing the ratio of Brick Flour. At all temperatures, it is occurred that the ultrasound speed was decreased. With increasing of temperatures, ultrasound speed values were reduced.

© 2019 MIM Research Group. All rights reserved.

LATEST News


31/12/2020 Most Cited Award: 

According to the Editorial Board evaluation, the paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the 2020 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).


31/12/2020 Best Paper Award:

According to the Advisory Board decision, the paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2020 Best Paper Award of Research on Engineering Structures and Materials (RESM).


02/11/2020 Indexed by SCOPUS: We are informed that our journal is accepted to be included in the SCOPUS Index. See mews for more info.


20/08/2020 Collaboration for IMSTEC 2020: Editorial Board of our journal and Organizing Committee of the 5. International Conference on Material Science and Technology (IMSTEC 2020) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


(More details of the news may be given in the News section)


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LATEST AWARDS


2020 Most Cited Paper Award:

The paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the


2020 Best Paper Award:

The paper authored by Ahsen Ünal, Işıl Özer, Melek Erol Taygun, Sadriye Küçükbayrak entitled as “Fabrication and in-vitro evaluation of copper doped bioactive glass/polymer composite scaffolds for bone tissue engineering” is awarded the 


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Last Update:

10.01.2021

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