<?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>0185-092X</journal-id>
<journal-title><![CDATA[Ingeniería sísmica]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. sísm]]></abbrev-journal-title>
<issn>0185-092X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ingeniería Sísmica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-092X2023000100001</article-id>
<article-id pub-id-type="doi">10.18867/ris.110.620</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Una aproximación de la curva de capacidad dinámica y su aplicación a la evaluación sísmica de estructuras]]></article-title>
<article-title xml:lang="en"><![CDATA[A dynamic capacity curve approach and its application to the seismic evaluation of structures]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bañuelos-García]]></surname>
<given-names><![CDATA[Francisco H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayala Milián]]></surname>
<given-names><![CDATA[A. Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escamilla García]]></surname>
<given-names><![CDATA[Marco A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Toluca de Lerdo Estrado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ingeniería ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<numero>110</numero>
<fpage>1</fpage>
<lpage>18</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-092X2023000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-092X2023000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-092X2023000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo se presenta un procedimiento simplificado para la evaluación sísmica de estructuras fundamentado en la curva de capacidad dinámica, y en su validez como una propiedad estructural asociada a un tipo de demanda sísmica. El procedimiento permite estimar el desempeño de una estructura ante demandas sísmicas correspondientes a un espectro de peligro uniforme mediante una aproximación de la curva de capacidad dinámica construida a partir de análisis modales espectrales asociados a demandas de intensidad creciente. Para considerar la reducción de rigidez y la disipación de energía debida a histéresis se resuelve un oscilador de un grado de libertad con las características del modo fundamental. La aproximación de la curva de capacidad dinámica obtenida a partir del procedimiento propuesto se valida comparándola con la obtenida de análisis dinámicos paso a paso ante demandas de intensidades crecientes, para dos estructuras de concreto reforzado, un marco plano de 12 niveles irregular en elevación, y un puente continuo tipo viaducto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper presents a simplified procedure for the seismic evaluation of structures based on the dynamic capacity curve and its validity as a structural property associated to a seismic demand. The proposed procedure calculates the performance of a structure subjected to seismic demands corresponding to a uniform hazard spectrum through an approximation of the dynamic capacity curve constructed from modal spectral analyses associated to increasing intensity demands. To considering stiffness reduction and energy dissipation due to hysteresis, a one-degree-of-freedom oscillator with the characteristics of the fundamental mode is solved. The approximation of the dynamic capacity curve obtained from the proposed procedure is validated by comparing it with the obtained from step-by-step dynamic analyses under increasing intensity demands, for two reinforced concrete structures, a 12-story plane frame irregular in elevation, and a continuous viaduct-type bridge.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[curva de capacidad dinámica]]></kwd>
<kwd lng="es"><![CDATA[análisis aproximados]]></kwd>
<kwd lng="es"><![CDATA[análisis dinámico incremental]]></kwd>
<kwd lng="es"><![CDATA[análisis modal espectral]]></kwd>
<kwd lng="es"><![CDATA[desempeño sísmico]]></kwd>
<kwd lng="en"><![CDATA[dynamic capacity curve]]></kwd>
<kwd lng="en"><![CDATA[approximate procedures]]></kwd>
<kwd lng="en"><![CDATA[incremental dynamic analysis]]></kwd>
<kwd lng="en"><![CDATA[modal spectral analysis]]></kwd>
<kwd lng="en"><![CDATA[seismic performance]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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