<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-6835</journal-id>
<journal-title><![CDATA[Revista ALCONPAT]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ALCONPAT]]></abbrev-journal-title>
<issn>2007-6835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Latinoamericana de Control de Calidad, Patología y Recuperación de la Construcción A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-68352022000100005</article-id>
<article-id pub-id-type="doi">10.21041/ra.v12i1.559</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of concrete self-healing with different insertion techniques of chemical and bacterial solutions]]></article-title>
<article-title xml:lang="pt"><![CDATA[Análise da autorregeneração de matrizes cimentícias através de diferentes métodos de inserção de soluções químicas e bacterianas]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis de la autorregeneración de matrices cementosas mediante diferentes métodos de inserción de soluciones químicas y bacterianas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pacheco]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loeff]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Müller]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ehrenbring]]></surname>
<given-names><![CDATA[H. Z.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Christ]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Modolo]]></surname>
<given-names><![CDATA[R. C. E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[M. F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tutikian]]></surname>
<given-names><![CDATA[B. F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Polytechnical school  ]]></institution>
<addr-line><![CDATA[ São Leopoldo]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Polytechnical school  ]]></institution>
<addr-line><![CDATA[ São Leopoldo]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Polytechnical school  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de la Costa  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Polytechnical school  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>32</fpage>
<lpage>46</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352022000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This study evaluated the self-healing potential of concrete with chemical and bacterial solutions encapsulated in different materials. The encapsulating materials were expanded clay (EC) and expanded perlite (EP). Self-healing effectiveness was evaluated visually with a high-precision optical microscope and 3D microtomography. Results pointed to improved performance of bacterial solutions encapsulated in expanded clay (BAC.EC) which were able to heal fissures of 0.57 mm. In contrast, bacterial solutions encapsulated in expanded perlite (BAC.EP) and sodium silicate replacing water during molding (SS) healed fissures of 0.16 mm and 0.29 mm, respectively.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este estudo analisou o potencial de cicatrização do concreto quando do uso de soluções bacterianas e soluções químicas, avaliando diferentes materiais que podem ser empregados para seu encapsulamento. Para encapsular os agentes, foram empregadas argila expandida e perlita expandida. Para analisar a eficácia da cicatrização, realizaram-se as técnicas de análise visual através de microscópio óptico de alta precisão e microtomografia 3D. Os resultados apontaram para um melhor desempenho do traço BAC.AE (soluções bacterianas encapsuladas em argila expandida), utilizando solução bacteriana encapsulada em argila expandida, que foi capaz de cicatrizar fissuras de até 0,57mm, tendo os traços BAC.PE (soluções bacterianas encapsuladas em perlita expandida) e SS (silicato de sódio) inserido na moldagem, em substituição à água, cicatrizado fissuras de 0,16 mm e 0,29 mm respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este estudio analizó el potencial de curación del hormigón al utilizar soluciones químicas y bacterianas, evaluando diferentes materiales que se pueden utilizar para su encapsulación. Para encapsular los agentes se utilizaron arcilla y perlita expandidas. Para analizar la efectividad de la curación, se realizaron técnicas de análisis visual utilizando un microscopio óptico de alta precisión y microtomografía 3D. Los resultados apuntaron a un mejor desempeño de la mezcla BAC.AE (solución bacteriana encapsulada in arcilla expandida), utilizando solución bacteriana encapsulada en arcilla expandida, que fue capaz de cicatrizar grietas de hasta 0.57mm. Las mezclas BAC.PE (solución bacteriana encapsulada in perlita expandida), solución bacteriana encapsulada en perlita expandida, y SS (silicato de sodio), solución química agregada en el momento de la mezcla para reemplazar el agua, cicatrizaron grietas de 0.16 mm y 0.29 mm respectivamente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[bioconcrete]]></kwd>
<kwd lng="en"><![CDATA[self-healing]]></kwd>
<kwd lng="en"><![CDATA[self-repairing]]></kwd>
<kwd lng="en"><![CDATA[fissure]]></kwd>
<kwd lng="en"><![CDATA[bacteria]]></kwd>
<kwd lng="pt"><![CDATA[bioconcreto]]></kwd>
<kwd lng="pt"><![CDATA[autorregeneração]]></kwd>
<kwd lng="pt"><![CDATA[autocicatrização]]></kwd>
<kwd lng="pt"><![CDATA[fissuras]]></kwd>
<kwd lng="pt"><![CDATA[bactérias]]></kwd>
<kwd lng="es"><![CDATA[biohormigón]]></kwd>
<kwd lng="es"><![CDATA[autorregeneración]]></kwd>
<kwd lng="es"><![CDATA[autocuración]]></kwd>
<kwd lng="es"><![CDATA[fisuras]]></kwd>
<kwd lng="es"><![CDATA[bacterias]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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