Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study

This study investigates the physical qualities and strength properties of representative cements manufactured by different brands in Bangladesh. The physical and strength properties such as normal consistency, initial and final setting time, density, specific gravity, fineness, and compressive st...

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Autors principals: Ahmed, Khondaker S., Asef, Mohammad F., Ahmed, Mahfuj
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Idioma:anglès
Publicat: Research and Development Wing, MIST 2023
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Accés en línia:http://dspace.mist.ac.bd:8080/xmlui/handle/123456789/737
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author Ahmed, Khondaker S.
Asef, Mohammad F.
Ahmed, Mahfuj
author_browse Ahmed, Khondaker S.
Ahmed, Mahfuj
Asef, Mohammad F.
author_facet Ahmed, Khondaker S.
Asef, Mohammad F.
Ahmed, Mahfuj
author_sort Ahmed, Khondaker S.
collection DSpace
description This study investigates the physical qualities and strength properties of representative cements manufactured by different brands in Bangladesh. The physical and strength properties such as normal consistency, initial and final setting time, density, specific gravity, fineness, and compressive strength of cement mortars as well as concrete cylinders were investigated experimentally. Using CEM II/B-M type cement, a total of 300 test specimens are prepared to determine those parameters. In this case study, specimens were prepared from ten different representative cement industries of Bangladesh and tested as per ASTM specifications. The experimental result shows that the physical and strength parameters of nearly all the representative cement samples are within the ASTM recommended ranges that ultimately proofs the quality of Bangladeshi Cement. The relationship between mortar and concrete strengths from the same batch of cement has also been investigated. Besides, a regression analysis has been conducted to find relationships between the concrete strength and their age of curing. The influence of initial and final setting times on concrete strength is also investigated. This study also provides the relationships between compressive strengths, between mortar and concrete cylinders at different ages. These age dependencies of concrete strength will help to predict the actual concrete strength at the early age of curing which may ensure faster construction work.
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spelling oai:localhost:123456789-7372023-01-22T05:13:25Z Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study Ahmed, Khondaker S. Asef, Mohammad F. Ahmed, Mahfuj Cement, ASTM standard, Physical properties, Fineness, Cement mortar, Concrete strength This study investigates the physical qualities and strength properties of representative cements manufactured by different brands in Bangladesh. The physical and strength properties such as normal consistency, initial and final setting time, density, specific gravity, fineness, and compressive strength of cement mortars as well as concrete cylinders were investigated experimentally. Using CEM II/B-M type cement, a total of 300 test specimens are prepared to determine those parameters. In this case study, specimens were prepared from ten different representative cement industries of Bangladesh and tested as per ASTM specifications. The experimental result shows that the physical and strength parameters of nearly all the representative cement samples are within the ASTM recommended ranges that ultimately proofs the quality of Bangladeshi Cement. The relationship between mortar and concrete strengths from the same batch of cement has also been investigated. Besides, a regression analysis has been conducted to find relationships between the concrete strength and their age of curing. The influence of initial and final setting times on concrete strength is also investigated. This study also provides the relationships between compressive strengths, between mortar and concrete cylinders at different ages. These age dependencies of concrete strength will help to predict the actual concrete strength at the early age of curing which may ensure faster construction work. 2023-01-22T05:13:23Z 2023-01-22T05:13:23Z 2022-06 Article 2224-2007 http://dspace.mist.ac.bd:8080/xmlui/handle/123456789/737 en application/pdf Research and Development Wing, MIST
spellingShingle Cement, ASTM standard, Physical properties, Fineness, Cement mortar, Concrete strength
Ahmed, Khondaker S.
Asef, Mohammad F.
Ahmed, Mahfuj
Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title_full Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title_fullStr Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title_full_unstemmed Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title_short Physical and Strength Properties of Cements Manufactured in Bangladesh: A Case Study
title_sort physical and strength properties of cements manufactured in bangladesh a case study
topic Cement, ASTM standard, Physical properties, Fineness, Cement mortar, Concrete strength
url http://dspace.mist.ac.bd:8080/xmlui/handle/123456789/737
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