{"id":453,"date":"2025-08-14T08:53:22","date_gmt":"2025-08-14T08:53:22","guid":{"rendered":"https:\/\/www.bridgebearings.net\/?p=453"},"modified":"2025-08-19T04:10:58","modified_gmt":"2025-08-19T04:10:58","slug":"bridge-jacking-and-bearing-replacement","status":"publish","type":"post","link":"https:\/\/www.bridgebearings.net\/es\/bridge-jacking-and-bearing-replacement\/","title":{"rendered":"Procedimiento y normas para el levantamiento de puentes y la sustituci\u00f3n de cojinetes"},"content":{"rendered":"

El levantamiento de puentes y la sustituci\u00f3n de apoyos son procesos esenciales de mantenimiento y rehabilitaci\u00f3n que restauran la funcionalidad de los sistemas de apoyo de los puentes. Con el paso del tiempo, los apoyos pueden deteriorarse debido al desgaste, la corrosi\u00f3n o la deformaci\u00f3n, afectando a la transferencia de cargas y a la acomodaci\u00f3n de los movimientos. El levantamiento controlado y la sustituci\u00f3n adecuada garantizan la seguridad estructural y prolongan la vida \u00fatil.<\/p>\n\n\n\n

Proceso de puenteado<\/h4>\n\n\n\n
    \n
  1. Inspecci\u00f3n previa:<\/strong> Los ingenieros estructurales realizan inspecciones visuales, evaluaciones de carga y mediciones de la deformaci\u00f3n de los cojinetes.<\/li>\n\n\n\n
  2. C\u00e1lculo de la carga:<\/strong> Determine la fuerza de elevaci\u00f3n necesaria en funci\u00f3n del peso del puente, la longitud del vano y las cargas vivas.<\/li>\n\n\n\n
  3. Configuraci\u00f3n del equipo de elevaci\u00f3n:<\/strong> Colocar gatos hidr\u00e1ulicos y soportes provisionales para levantar el puente con seguridad.<\/li>\n\n\n\n
  4. Elevaci\u00f3n controlada:<\/strong> Eleve gradualmente el puente hasta la altura requerida, garantizando una distribuci\u00f3n uniforme de la carga.<\/li>\n\n\n\n
  5. Control de seguridad:<\/strong> Utilice sensores de desplazamiento y medidores de carga para evitar sobrecargas o elevaciones desiguales.<\/li>\n<\/ol>\n\n\n\n

    Procedimiento de sustituci\u00f3n de rodamientos<\/h4>\n\n\n\n
      \n
    1. Retirada de rodamientos da\u00f1ados:<\/strong> Retire con cuidado los rodamientos antiguos sin da\u00f1ar las estructuras colindantes.<\/li>\n\n\n\n
    2. Preparaci\u00f3n de la superficie:<\/strong> Limpie y nivele el asiento del cojinete para cumplir las tolerancias de dise\u00f1o.<\/li>\n\n\n\n
    3. Instalaci\u00f3n de nuevos rodamientos:<\/strong> Coloque y fije los nuevos cojinetes elastom\u00e9ricos, de olla, esf\u00e9ricos o de aislamiento s\u00edsmico seg\u00fan los planos de ingenier\u00eda.<\/li>\n\n\n\n
    4. Alineaci\u00f3n y transferencia de cargas:<\/strong> Baje gradualmente el puente para transferir la carga a los nuevos cojinetes.<\/li>\n\n\n\n
    5. Inspecci\u00f3n final:<\/strong> Verifique la alineaci\u00f3n, la capacidad de rotaci\u00f3n y el rango de movimiento para garantizar un funcionamiento correcto.<\/li>\n<\/ol>\n\n\n\n

      Par\u00e1metros de los rodamientos de recambio<\/h4>\n\n\n\n
        \n
      • Tipo:<\/strong> Apoyos elastom\u00e9ricos, Pot, esf\u00e9ricos o de aislamiento s\u00edsmico<\/li>\n\n\n\n
      • Capacidad de carga:<\/strong> 50 kN - 10.000 kN<\/li>\n\n\n\n
      • Rango de Movimiento:<\/strong> \u00b120 mm - \u00b1600 mm (seg\u00fan el tipo)<\/li>\n\n\n\n
      • Capacidad de rotaci\u00f3n:<\/strong> Hasta \u00b10,02 radianes<\/li>\n\n\n\n
      • Material:<\/strong> Caucho natural, neopreno, PTFE, acero inoxidable, acero de alta resistencia<\/li>\n\n\n\n
      • Normas:<\/strong> AASHTO, EN 1337, BS 5400, ISO 22762<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

        Bridge jacking and bearing replacement are essential maintenance and rehabilitation processes that restore the functionality of bridge support systems. Over time, bearings can deteriorate due to wear, corrosion, or deformation, affecting load transfer and movement accommodation. Controlled jacking and proper replacement ensure structural safety and extend service life. Bridge Jacking Process Bearing Replacement Procedure Product […]<\/p>\n","protected":false},"author":1,"featured_media":522,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\nBridge Jacking and Bearing Replacement \u2013 Procedure & Standards<\/title>\n<meta name=\"description\" content=\"Step-by-step guide to bridge jacking and bearing replacement. 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