<?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>1794-9165</journal-id>
<journal-title><![CDATA[Ingeniería y Ciencia]]></journal-title>
<abbrev-journal-title><![CDATA[ing.cienc.]]></abbrev-journal-title>
<issn>1794-9165</issn>
<publisher>
<publisher-name><![CDATA[Escuela de Ciencias y Humanidades y Escuela de Ingeniería de la Universidad EAFIT]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-91652018000100117</article-id>
<article-id pub-id-type="doi">10.17230/ingciencia.14.27.6</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Identificación de factores que generan diferencias de tiempo y costos en proyectos de construcción en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Identifying Factors Causing Delays and Cost Over- runs in Construction Projects in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lozano Serna]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Patiño Galindo]]></surname>
<given-names><![CDATA[Ivonne]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Cabrera]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Javeriana Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Pontificia Universidad Javeriana Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>14</volume>
<numero>27</numero>
<fpage>117</fpage>
<lpage>151</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-91652018000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-91652018000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-91652018000100117&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los retrasos y sobrecostos en proyectos de construcción son objeto de constante preocupación por parte de los desarrolladores de proyectos, ya que incluso pueden afectar la viabilidad de estos. Por esto, es necesario estudiar las causas, especialmente en Colombia donde las causas generadoras de este tipo de desviaciones no han sido analizadas a profundidad. Esta investigación, realizó inicialmente una revisión de la literatura para identificar causas generadoras de desviaciones en tiempos y costos a nivel mundial. Posteriormente, se realizó una encuesta dirigida a profesionales dedicados al desarrollo de proyectos de construcción en Colombia, para poder conocer en su concepto los factores significativos en la generación de desviaciones en tiempos y costos. Finalmente, se ejecutó un análisis de significancia basado en los factores influyentes, estableciendo las correlaciones entre estos y aspectos como magnitud, tipo de proyecto, tamaño de las empresas, entre otros, implementando herramientas estadísticas y computacionales. El estudio arrojó la inadecuada planeación y falta de integración entre profesionales como uno de los factores más influyentes en la fluctuación de costos y tiempos en el país.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Construction project delays and cost overruns represent a source of concern for project developers, potentially affecting project feasibility. Thus, it is important to determine the causes of these issues, especially in Colombia where such causes are not well understood. In this research, a literature review was performed to identify causes of time delays and cost overruns around the globe. Subsequently, a survey of project-development professionals in Colombia was carried out in order to ascertain, in their opinion, the significant factors leading to time and cost deviations. Lastly, a statistical significance analysis was reported using the influential factors deter- mined in the previous two steps, in order to establish correlations among these and other aspects, including scale and project type, business size, among others, implementing statistical and computational tools. This paper demonstrates that inadequate planning and lack of integration among professionals are the most significant factors contributing to construction delays and cost overruns in Colombia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Proyectos de construcción en Colombia]]></kwd>
<kwd lng="es"><![CDATA[retrasos en la construcción]]></kwd>
<kwd lng="es"><![CDATA[sobrecostos en la construcción]]></kwd>
<kwd lng="es"><![CDATA[análisis estadístico]]></kwd>
<kwd lng="en"><![CDATA[Construction projects in Colombia]]></kwd>
<kwd lng="en"><![CDATA[construction delays]]></kwd>
<kwd lng="en"><![CDATA[construction cost overruns]]></kwd>
<kwd lng="en"><![CDATA[statistical analysis]]></kwd>
</kwd-group>
</article-meta>
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