Blog de Raíz Cimentaciones

 

29 Nov

¿Qué son los micropilotes?

Seguramente nos hayáis escuchado hablar sobre micropilotes en más de una ocasión. Basta con echar un vistazo a nuestra web para ver que forma parte de nuestro vocabulario más habitual; sin embargo, muy a menudo nos habéis comentado que no sabéis muy a qué nos referimos cuando hablamos de ellos. En este post os lo explicamos.

Los micropilotes son elementos empleados para las cimentaciones profundas ya que son resistentes a los esfuerzos de tracción y compresión. Se tratan de unas perforaciones cilíndricas de hasta 350 mm de diámetro reforzadas mediante la introducción de una armadura metálica formada por barras de acero corrugado o tuberías cilíndricas. El conjunto queda soldado al terreno mediante una inyección a presión de una lechada de cemento o mortero.

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Los micropilotes transfieren las cargas al terreno en profundidad. Son utilizados en aquellas situaciones en las que las capas o estratos superficiales del terreno no tienen la capacidad portante suficiente para absorber las cargas transmitidas por la estructura del edificio, tras haber realizado un estudio geotécnico o geofísico. También se usan para contener tierras en excavaciones  en forma de pantallas como, por ejemplo, cuando se quieren hacer sótanos o como paraguas de túneles tanto en las bocas como para el paso de terrenos muy difíciles o para la recuperación de tramos con hundimientos.

Por último queremos recalcar que los micropilotes presentan varias ventajas frente a los pilotes convencionales gracias a su tamaño y al proceso de ejecución que requieren, ya que los equipos necesarios son mucho más ligeros y permiten llegar a lugares de difícil acceso.

Para este tipo de trabajos, en Raíz Cimentaciones empleamos máquinas perforadoras que taladran el terreno en diversos diámetros, ya sea mediante rotación, rotopercusión o barrena helicoidal. Si tienes cualquier duda, no dudes en ponerte en contacto con Raíz Cimentaciones sin ningún tipo de compromiso. 

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