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{"id":851,"date":"2016-07-08T22:19:39","date_gmt":"2016-07-08T22:19:39","guid":{"rendered":"http:\/\/fieldliningservices.com\/?p=851"},"modified":"2017-07-11T22:55:41","modified_gmt":"2017-07-11T22:55:41","slug":"barreras-de-sedimento","status":"publish","type":"post","link":"https:\/\/fieldliningservices.com\/2016\/07\/08\/barreras-de-sedimento\/","title":{"rendered":"BARRERAS DE SEDIMENTO"},"content":{"rendered":"

La erosi\u00f3n acelerada es el resultado de la\u00a0desnudez de las \u00e1reas durante la construcci\u00f3n, es\u00a0por esto que deben tomarse medidas para\u00a0prevenir que el suelo suelto sea transportado\u00a0hacia cuerpos de agua vecinos, calles o\u00a0propiedades cercanas. Para impedir el flujo de\u00a0agua con sedimentos y filtrar los sedimentos se\u00a0utilizan varias medidas de control.<\/p>\n

 <\/p>\n

Soluciones T\u00edpicas<\/strong><\/p>\n

Estructuras compuestas de material permeable, a veces combinado con un Geotextil No-Tejido se colocan para interceptar el flujo laminar y bajar niveles de flujo en canales provenientes de \u00e1reas desnudas.\u00a0 Estas barreras sirven (1) para disminuir la velocidad del agua (2) para atrapar sedimentos suspendidos.<\/p>\n

Las medidas tradicionales incluyen:\u00a0 barreras formadas con pacas de heno, grava, piedra triturada y bejucos<\/p>\n

El uso inadecuado de estas barreras o filtros ha sido siempre el problema.\u00a0 \u00a0Un ejemplo: \u00a0las pacas \u00a0de heno se han usado en lugares donde los flujos de agua corren a alta velocidad y los vol\u00famenes tan altos las destruyen o impiden que sean efectivas.\u00a0 Otro GRAN problema es la colocaci\u00f3n inadecuada<\/u> de las barreras, \u00a0que impide el flujo o lo cortan, \u00a0y en vez de remover el sedimento del agua acaban aportando m\u00e1s sedimento al flujo.\u00a0\u00a0 Finalmente, el mantenimiento inadecuado<\/u> o la limpieza en su momento tienden a desmejorar la efectividad de las barreras.<\/p>\n

Por estos problemas,\u00a0 las posibles soluciones terminan \u00a0dando mayor cantidad de sedimento o muestran poca eficiencia en atraparlos con altos niveles de falla.<\/p>\n

Soluciones Geosint\u00e9ticas <\/strong><\/p>\n

Existe un segundo tipo de barrera o \u00a0filtro, las barreras de sedimento sint\u00e9ticas (silt fences<\/strong>).\u00a0\u00a0 Est\u00e1n hechas de geotextiles \u00a0resistentes que se atan a postes que las soportan.\u00a0 Atrapan un porcentaje mucho mayor de sedimentos suspendidos que las pacas de heno \u2013 siempre que est\u00e9n bien instaladas.<\/strong><\/p>\n

Un silt fence<\/strong> bien dise\u00f1ado:<\/p>\n