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How To Add Drainage To Existing Retaining Wall
Typically drain lines are installed at the base of new walls before the soil is backfilled.
How to add drainage to existing retaining wall. An existing concrete wall has visible drain holes but the wood retaining walls dont or maybe I need to go back to the field and look for the drain holes. Therefore it is recommended to prevent accumulating water at the back face of the wall by re-grading backfill material surface or constructing small concrete culvert to divert water and direct it away from the backfill. This is so that when water gets into the space it does not become bogged down in soil but instead can flow down the wall to the drains.
Behind that youd have filter cloth and then behind that youd have soil. The way to build this is dig down around the retaining wall probably about 2 feet behind it. Its been 3 days since the last rain and the upper level is still practically a swamp.
Try a few and see how it works. Replacing backfill materials or reaching to the drainage system at retaining wall base is uneconomical. A stone retaining wall can add a dramatic look to your overall landscaping.
Avoid retaining wall failure by ensuring soil stabilization and proper wall drainage. The wall is made from brieze block a cavity then concrete blocks made to look like reconstituted stone. It doesnt help that were on the north.
No drainage at all and the bottom of the cavity is pure concrete. Ive got a 6 tall retaining wall in the back yard running most of the length of the yard maybe 30-40. Drainage problems with existing retaining wall.
This video shows how a Retaining wall should be back-filled to allow for maximum drainage. Depending on the design on your retaining wall drainage pipes may be a better solution. Here are the top 3 ways to prevent drainage disasters when building your retaining wall.
Source : pinterest.com