<?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>2310-3469</journal-id>
<journal-title><![CDATA[Revista Cubana de Ciencias Forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana ciencias forestales]]></abbrev-journal-title>
<issn>2310-3469</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Pinar del Río Hermanos Saíz Montes de Oca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2310-34692020000200220</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de residuos lignocelulósicos en la elaboración de compuestos madera-cemento para fines constructivos no estructurales]]></article-title>
<article-title xml:lang="pt"><![CDATA[Utilização de resíduos lignocelulósicos no fabrico de compósitos de cimento-madeira para fins de construção não estruturais]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of lignocellulosic waste in the manufacture of wood-cement composites for non-structural construction purposes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baracho Jr.]]></surname>
<given-names><![CDATA[Expedito]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carlos Marangón]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rolin]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benigno Páez]]></surname>
<given-names><![CDATA[Juárez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez Lazo]]></surname>
<given-names><![CDATA[Daniel Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Federal Rural de Pernambuco Departamento de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Federal de Spirito Santos  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Pinar del Río "Hermanos Saíz Montes de Oca"  ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>8</volume>
<numero>2</numero>
<fpage>220</fpage>
<lpage>230</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2310-34692020000200220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2310-34692020000200220&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2310-34692020000200220&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente trabajo tuvo como objetivo evaluar las principales características de los compuestos producidos con cemento, arena y residuos lignocelulósicos para la elaboración de compuestos madera-cemento. Se utilizaron residuos de Bambusa vulgaris var. vulgaris (bambú) y Manilkara sp. (maçaranduba) para determinar la compatibilidad con el cemento Portland CP IV-32. Los ensayos físico mecánicos se realizaron en los laboratorios de Tecnología Forestal, perteneciente al Departamento de Ciencia Forestal, en la Universidad Federal Rural de Pernambuco, y la Universidad Federal de Espíritu Santos, Brasil; a partir de la norma ABCP, 2002. La mezcla utilizada fue 1: 0.05: 3: 0.4, respectivamente cemento, lignocelulósico, arena y agua. A partir de las temperaturas de hidratación obtenidas se pudo establecer la posibilidad de la utilización del cemento Portland CP IV-32 en la producción de compuestos cemento-madera-arena agua. Durante la determinación del grado de compatibilidad del cemento con el bambú y la maçaranduba, la resistencia a la compresión presentó los resultados más evidentes para la utilización no estructural de los compuestos obtenidos. El método no destructivo de las ondas de tensión resultó una herramienta excelente para determinar el módulo elástico dinámico de los compuestos cemento-madera-arena-agua.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O objectivo deste trabalho foi avaliar as principais características dos compostos produzidos com cimento, areia e resíduos lignocelulósicos para a produção de compostos de cimento-madeira. Resíduos de Bambusa vulgaris var. vulgaris (bambu) e Manilkara sp. (maçaranduba) foram utilizadas para determinar a compatibilidade com o cimento Portland CP IV-32. Os ensaios físico-mecânicos foram realizados nos laboratórios de Tecnologia Florestal do Departamento de Ciências Florestais da Universidade Federal Rural de Pernambuco e da Universidade Federal do Espírito Santo, Brasil, com base na norma ABCP, 2002. A mistura utilizada foi 1: 0,05: 3: 0,4, respectivamente cimento, lignocelulósico, areia e água. A partir das temperaturas de hidratação obtidas, foi possível estabelecer a possibilidade de utilizar o cimento CP IV-32 Portland na produção de compostos de cimento-madeira-arenito e água. Durante a determinação do grau de compatibilidade do cimento com bambu e maçaranduba, a resistência à compressão apresentou os resultados mais evidentes para a utilização não-estrutural dos compostos obtidos. O método não destrutivo das ondas de tensão provou ser uma excelente ferramenta para determinar o módulo elástico dinâmico dos compostos de cimento-madeira-madeira-água.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The aim of this study was to evaluate the main characteristics of the compounds produced with cement, sand and lignocellulosic waste for the production of wood-cement compounds. Residues of Bambusa vulgaris var. vulgaris (bamboo) and Manilkara sp. (maçaranduba) were used to determine compatibility with Portland cement CP IV-32. The physical-mechanical tests were carried out in the Forestry Technology laboratories, belonging to the Forestry Science Department, at the Federal Rural University of Pernambuco, and the Federal University of Espírito Santo, Brazil; based on the ABCP standard, 2002. The mixture used was 1: 0.05: 3: 0.4, respectively cement, lignocellulosic, sand and water. From the hydration temperatures obtained, it was possible to establish the possibility of using Portland cement CP IV-32 in the production of cement-wood-sand-water compounds. During the determination of the degree of compatibility of the cement with the bamboo and maçaranduba, the resistance to the compression presented the most evident results for the non-structural use of the obtained compounds. The non-destructive method of stress waves proved to be an excellent tool for determining the dynamic elastic modulus of cement-wood-sand-water compounds.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Madera]]></kwd>
<kwd lng="es"><![CDATA[Hidratación]]></kwd>
<kwd lng="es"><![CDATA[Compatibilidad]]></kwd>
<kwd lng="es"><![CDATA[Resistencia]]></kwd>
<kwd lng="es"><![CDATA[Aplicación.]]></kwd>
<kwd lng="pt"><![CDATA[Madeira]]></kwd>
<kwd lng="pt"><![CDATA[Hidratação]]></kwd>
<kwd lng="pt"><![CDATA[Compatibilidade]]></kwd>
<kwd lng="pt"><![CDATA[Resistência]]></kwd>
<kwd lng="pt"><![CDATA[Aplicação.]]></kwd>
<kwd lng="en"><![CDATA[Wood]]></kwd>
<kwd lng="en"><![CDATA[Hydration]]></kwd>
<kwd lng="en"><![CDATA[Compatibility]]></kwd>
<kwd lng="en"><![CDATA[Strength]]></kwd>
<kwd lng="en"><![CDATA[Application.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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