<?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>S2007-68352021000200007</article-id>
<article-id pub-id-type="doi">10.21041/ra.v11i2.454</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Damage assessment proposal for two bridges located on Highway No. 14 in the State of Sonora México by using stiffness invariant as global comparison parameter]]></article-title>
<article-title xml:lang="pt"><![CDATA[Proposta de avaliação de danos para duas pontes localizadas na rodovia No. 14 no estado de Sonora, México, usando a variável de rigidez como parâmetro de comparação global]]></article-title>
<article-title xml:lang="es"><![CDATA[Propuesta de evaluación de daño para dos puentes ubicados en la carretera No. 14 en el estado de Sonora México usando invariante de rigidez como parámetro global de comparación]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Torres]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro-Gómez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perez-Isidro]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gautherau-Lopez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palma-Quiroz]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sonora Departamento de Ingeniería Civil y Minas ]]></institution>
<addr-line><![CDATA[Hermosillo ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Instituto de Ciencias Básicas e Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>11</volume>
<numero>2</numero>
<fpage>89</fpage>
<lpage>108</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-68352021000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-68352021000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-68352021000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The elastic rigidity invariant method is used to obtain the mechanical response of the superstructure of simply supported bridges; it is based on the bridge&#8217;s response to the impact of known masses applied on mid span to obtain the maximum displacement that defines the point stiffness. This value is compared with the values of the theoretical curve formed with the stiffness invariants, constructed from the design characteristics of the bridge. The method was implemented in two bridges located on federal highway No. 14 of the State of Sonora Mex., with results according to the damage manifested. The evaluation is the result of a global parameter, obtained in environmental conditions in the absence of wind and at a constant temperature, suitable for the diagnosis of the present structural state, having limitations on bridges with screw cross sections.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O método da variável de rigidez elástica permite obter a resposta mecânica da superestrutura da ponte; baseia-se na resposta ao impacto de massas conhecidas aplicadas ao centro do vão (luz) para obter o deslocamento máximo que define a rigidez do ponto, este é comparado com os valores da curva formada com as variáveis de rigidez, construídos a partir do características do projeto estrutural da ponte. O método foi implantado em duas pontes localizadas na rodovia federal nº 14 do Estado de Sonora Mex., com resultados compatíveis com os danos manifestados. A avaliação é qualitativa a partir de um parâmetro global, obtido em condições ambientais na ausência de vento e a temperatura constante, adequado para o diagnóstico do estado estrutural presente, havendo limitações em pontes esconsas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El método de la invariante elástica de rigidez permite obtener la respuesta mecánica de la superestructura de puentes; se basa en la respuesta al impacto de masas conocidas aplicadas al centro del claro para obtener el máximo desplazamiento que define la rigidez puntual, éste se compara con los valores de la curva formada con los invariantes de rigidez, construida a partir de las características de diseño del puente. El método se implementó en dos puentes localizados en la carretera federal No. 14 del Estado de Sonora Mex., con resultados acordes a los daños manifestados. La evaluación es cualitativa a partir de un parámetro global, obtenido en condiciones ambientales en ausencia de viento y a temperatura constante, adecuado para el diagnóstico del estado estructural presente, teniendo limitantes en puentes esviajados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[bridges]]></kwd>
<kwd lng="en"><![CDATA[superstructure]]></kwd>
<kwd lng="en"><![CDATA[impact]]></kwd>
<kwd lng="en"><![CDATA[mechanical response]]></kwd>
<kwd lng="en"><![CDATA[stiffness.]]></kwd>
<kwd lng="pt"><![CDATA[pontes]]></kwd>
<kwd lng="pt"><![CDATA[superestrutura]]></kwd>
<kwd lng="pt"><![CDATA[impacto]]></kwd>
<kwd lng="pt"><![CDATA[resposta mecânica]]></kwd>
<kwd lng="pt"><![CDATA[rigidez.]]></kwd>
<kwd lng="es"><![CDATA[puentes]]></kwd>
<kwd lng="es"><![CDATA[superestructura]]></kwd>
<kwd lng="es"><![CDATA[impacto]]></kwd>
<kwd lng="es"><![CDATA[respuesta mecánica]]></kwd>
<kwd lng="es"><![CDATA[rigidez.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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