Evaluation of concrete mechanical strength through porosity

The increasing on voids or pores in any material - if the rest of characteristics remains equal -always causes a decrease in their mechanical strength since the ratio volume/resistant mass is lower Following all these fact a well known conclusion rises: there is a relationship between compacity/poro...

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Main Authors: M. Olivares, J. Lafarga, C. Galán, P. Nadal
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 2004-03-01
Series:Materiales de Construccion
Subjects:
Online Access:http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/220
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author M. Olivares
J. Lafarga
C. Galán
P. Nadal
author_facet M. Olivares
J. Lafarga
C. Galán
P. Nadal
author_sort M. Olivares
collection DOAJ
description The increasing on voids or pores in any material - if the rest of characteristics remains equal -always causes a decrease in their mechanical strength since the ratio volume/resistant mass is lower Following all these fact a well known conclusion rises: there is a relationship between compacity/porosity and mechanical strengths. The purpose of this research is to establish a new possible correlation between both concrete properties with independence of the proportions, type of cement, size of grain, age, use. etc. So it can be concluded that the results of this research allow the engineer or architect in charge of a restoration or reparation to determine the compression strength of a concrete element. A first step is to determine the porosity through a rather short number of tests. Subsequently, compression strength will be obtained applying just a mathematical formula.
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spelling doaj.art-b7a571c8f89f44b1be1a3b4c860d73d12022-12-21T22:25:23ZengConsejo Superior de Investigaciones CientíficasMateriales de Construccion0465-27461988-32262004-03-0154273213410.3989/mc.2004.v54.i273.220210Evaluation of concrete mechanical strength through porosityM. Olivares0J. Lafarga1C. Galán2P. Nadal3Dpto. Construcciones Arquitectónicas I. Escuela Técnica Superior de Arquitectura de SevillaDpto. Construcciones Arquitectónicas I. Escuela Técnica Superior de Arquitectura de SevillaDpto. Construcciones Arquitectónicas I. Escuela Técnica Superior de Arquitectura de SevillaDpto. Economía Aplicada I. Facultad de C. E. E. de SevillaThe increasing on voids or pores in any material - if the rest of characteristics remains equal -always causes a decrease in their mechanical strength since the ratio volume/resistant mass is lower Following all these fact a well known conclusion rises: there is a relationship between compacity/porosity and mechanical strengths. The purpose of this research is to establish a new possible correlation between both concrete properties with independence of the proportions, type of cement, size of grain, age, use. etc. So it can be concluded that the results of this research allow the engineer or architect in charge of a restoration or reparation to determine the compression strength of a concrete element. A first step is to determine the porosity through a rather short number of tests. Subsequently, compression strength will be obtained applying just a mathematical formula.http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/220porositycompressive strengthconcretecompactnesstest
spellingShingle M. Olivares
J. Lafarga
C. Galán
P. Nadal
Evaluation of concrete mechanical strength through porosity
Materiales de Construccion
porosity
compressive strength
concrete
compactness
test
title Evaluation of concrete mechanical strength through porosity
title_full Evaluation of concrete mechanical strength through porosity
title_fullStr Evaluation of concrete mechanical strength through porosity
title_full_unstemmed Evaluation of concrete mechanical strength through porosity
title_short Evaluation of concrete mechanical strength through porosity
title_sort evaluation of concrete mechanical strength through porosity
topic porosity
compressive strength
concrete
compactness
test
url http://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/220
work_keys_str_mv AT molivares evaluationofconcretemechanicalstrengththroughporosity
AT jlafarga evaluationofconcretemechanicalstrengththroughporosity
AT cgalan evaluationofconcretemechanicalstrengththroughporosity
AT pnadal evaluationofconcretemechanicalstrengththroughporosity