<?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>S0185-092X2025000100108</article-id>
<article-id pub-id-type="doi">10.18867/ris.114.699</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Vulnerabilidad sísmica de edificaciones educacionales pre y post NEC, en la ciudad de cuenca, Ecuador]]></article-title>
<article-title xml:lang="en"><![CDATA[Seismic vulnerability of educational buildings pre- and post-NEC in cuenca, Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera-Vélez]]></surname>
<given-names><![CDATA[Esteban M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrade-Dueñas]]></surname>
<given-names><![CDATA[Iván G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Azuay Instituto de Estudios de Régimen Seccional de Ecuador Escuela de Ingeniería Civil]]></institution>
<addr-line><![CDATA[Cuenca ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Azuay Instituto de Estudios de Régimen Seccional de Ecuador ]]></institution>
<addr-line><![CDATA[Cuenca ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<numero>114</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-092X2025000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-092X2025000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-092X2025000100108&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Ecuador se encuentra en el cinturón de fuego del Pacífico, principal fuente de la mayoría de los terremotos más fuertes del mundo y, en particular, de algunos de los eventos sísmicos más destructivos ocurridos en territorio ecuatoriano. Este trabajo analiza el desempeño y la vulnerabilidad sísmica de dos edificaciones educativas proyectadas antes de la publicación de la Norma Ecuatoriana de la Construcción (NEC), y una edificada posteriormente, para determinar si las estructuras concebidas antes de esta normativa son más vulnerables que aquellas diseñadas después. Se utilizó el programa ETABS para el modelado estructural y la obtención de la curva de capacidad, y se realizó un análisis por desempeño aplicando el método de linealización equivalente descrito en el documento FEMA 440. Posteriormente se evaluó la fragilidad mediante el criterio de HAZUS. Los resultados indican que las estructuras previas a la NEC deben ser evaluadas y reforzadas para garantizar un correcto desempeño, así como la seguridad de sus ocupantes. Por tanto, deben estudiarse las edificaciones previas a la NEC en mayor escala para mejorar la gestión del riesgo sísmico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. Ecuador is located in the Pacific Ring of Fire, the principal source of most of the world's strongest earthquakes and, in particular, of some of the most destructive seismic events recorded in Ecuadorian territory. This study examines the performance and seismic vulnerability of two educational buildings designed before the publication of the Ecuadorian Construction Code (NEC) and one constructed afterwards, to determine whether structures conceived prior to this regulation are more vulnerable than those designed later. The ETABS software was used for structural modelling and obtaining the capacity curve, and a performance analysis was conducted using the equivalent linearization method described in the FEMA 440 document. Subsequently, fragility was assessed based on the HAZUS criterion. The results indicate that structures built prior to the NEC must be evaluated and retrofitted to ensure proper performance and the safety of their occupants. Therefore, pre-NEC buildings should be studied on a larger scale to enhance seismic risk management.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[análisis no lineal]]></kwd>
<kwd lng="es"><![CDATA[vulnerabilidad sísmica]]></kwd>
<kwd lng="es"><![CDATA[riesgo sísmico]]></kwd>
<kwd lng="en"><![CDATA[nonlinear analysis]]></kwd>
<kwd lng="en"><![CDATA[seismic vulnerability]]></kwd>
<kwd lng="en"><![CDATA[seismic risk]]></kwd>
</kwd-group>
</article-meta>
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