<?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>1856-9560</journal-id>
<journal-title><![CDATA[Gaceta Técnica]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Téc.]]></abbrev-journal-title>
<issn>1856-9560</issn>
<publisher>
<publisher-name><![CDATA[Universidad Centroccidental Lisandro Alvarado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1856-95602025000100089</article-id>
<article-id pub-id-type="doi">10.51372/gacetatecnica261.6</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Optimización de las propiedades mecánicas del concreto para pavimentos rígidos empleando hojas de coca y fibras de acero]]></article-title>
<article-title xml:lang="en"><![CDATA[Optimization of the mechanical properties of rigid pavement concrete using coca leaves and steel fibers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pillaca Sicha]]></surname>
<given-names><![CDATA[Yulifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Choque Flores]]></surname>
<given-names><![CDATA[Leopoldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gamarra Benavente]]></surname>
<given-names><![CDATA[Karla Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Chávez]]></surname>
<given-names><![CDATA[Andrew Stwars]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad César Vallejo  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad César Vallejo  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad César Vallejo  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad César Vallejo  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>26</volume>
<numero>1</numero>
<fpage>89</fpage>
<lpage>108</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S1856-95602025000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S1856-95602025000100089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S1856-95602025000100089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se propone como objetivo del estudio que aquí se presenta, optimizar las características de soporte mecánico del concreto resistente utilizado en estructuras viales aplicando aditivos de cenizas de hojas de coca y fibras de acero. Por lo que, se emplearon 45 probetas para la resistencia a compresión, otras 45 como vigas evaluadas en flexión, así como 15 para asentamiento, de acuerdo con lo establecido en la norma E.0.60. Al vigésimo octavo día, se logró un esfuerzo máximo de 35,53 MPa a compresión por el diseño conformado por 1,75% de cenizas de hoja de coca y 1,75% de fibras de acero, mientras que en resistencia a flexión un esfuerzo máximo de 5,24 MPa para el diseño 2 conformado por fibras de acero y cenizas de hoja de coca al 2,50%, el asentamiento del diseño 1 compuesto por 1,75 de fibra de acero y cenizas de hoja de coca adquirió un revenimiento de 2,83&#8221;. La aplicación de esta mezcla aporta de manera efectiva en diferente magnitud a las propiedades evaluadas del presente estudio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The objective of the study presented here is to optimize the mechanical support characteristics of resistant concrete used in road structures by applying coca leaf ash and steel fiber additives. Therefore, 45 specimens were used for compression resistance, another 45 as beams evaluated in bending, as well as 15 for settlement, in accordance with the provisions of standard E.0.60. On the twenty-eighth day, a maximum stress of 35,53 MPa in compression was achieved for the design made up of 1,75% coca leaf ash and 1,75% steel fibers, while in flexural strength a stress maximum of 5,24 MPa for design 2 made up of steel fibers and 2,50% coca leaf ash, the slump of design 1 made up of 1,75 of steel fiber and coca leaf ashes acquired a slump of 2,83&#8221;. The application of this mixture effectively contributes in a different magnitude to the properties evaluated in this study.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[propiedades mecánicas del concreto]]></kwd>
<kwd lng="es"><![CDATA[pavimento]]></kwd>
<kwd lng="es"><![CDATA[resistencia a compresión del concreto]]></kwd>
<kwd lng="es"><![CDATA[resistencia a flexión del concreto]]></kwd>
<kwd lng="en"><![CDATA[concrete mechanical properties]]></kwd>
<kwd lng="en"><![CDATA[pavement]]></kwd>
<kwd lng="en"><![CDATA[concrete compressive strength]]></kwd>
<kwd lng="en"><![CDATA[concrete flexural strength]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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