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      <title>Cronología by Jhean Paul Lavado Ramirez</title>
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      <description>Desplácese para ver</description>
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      <pubDate>2025-09-16 21:29:50 UTC</pubDate>
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         <title>Época Antigua</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>3000 a.C. – Egipto</strong>: Uso de mezclas de barro y yeso como mortero en las pirámides.</p>]]></description>
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         <pubDate>2025-09-16 21:34:25 UTC</pubDate>
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         <title>Época Antigua</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>2000 a.C. – Mesopotamia</strong>: Uso de cal y arcilla para unir ladrillos de barro.</p>]]></description>
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         <pubDate>2025-09-16 21:36:38 UTC</pubDate>
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         <title>Época Antigua</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<ul><li><p><strong>300 a.C. – Roma</strong>: Desarrollo del <em>opus caementicium</em> (concreto romano), mezcla de cal, agua, arena volcánica (puzolana) y piedras. Obras icónicas: el <strong>Panteón de Roma</strong> y los <strong>acueductos</strong>.</p></li></ul>]]></description>
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         <pubDate>2025-09-16 21:39:22 UTC</pubDate>
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         <title>Edad Media – Renacimiento</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>Siglos V – XV</strong>: Disminuye el uso del concreto tras la caída del Imperio Romano.</p>]]></description>
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         <pubDate>2025-09-16 21:41:51 UTC</pubDate>
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         <title>Edad Media – Renacimiento</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>Siglo XV – XVI</strong>: Vuelve a emplearse en Europa, pero más limitado, en combinación con piedra y ladrillo.</p>]]></description>
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         <pubDate>2025-09-16 21:42:11 UTC</pubDate>
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         <title>Revolución Industrial</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>1756</strong>: John Smeaton desarrolla un mortero hidráulico (con cal y puzolana) para construir el faro de Eddystone en Inglaterra.</p>]]></description>
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         <pubDate>2025-09-16 21:53:51 UTC</pubDate>
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         <title>Revolución Industrial</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>1824</strong>: Joseph Aspdin patenta el <strong>cemento Portland</strong>, base del concreto moderno.</p>]]></description>
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         <pubDate>2025-09-16 21:54:04 UTC</pubDate>
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         <title>Revolución Industrial</title>
         <author>jheanpauljp</author>
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         <description><![CDATA[<p><strong>1849</strong>: Joseph Monier introduce el <strong>concreto reforzado con hierro</strong> (antecesor del concreto armado).</p>]]></description>
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         <pubDate>2025-09-16 21:54:15 UTC</pubDate>
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