Best Drainage For Retaining Wall
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Best drainage for retaining wall. Second a retaining wall must have properly compacted backfill. Don t forget to allow for drainage. 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 or weep holes.
Jul 22 2018 explore irene king s board retaining wall drainage on pinterest. In order to provide proper drainage at least 12 inches of granular backfill gravel or a similar aggregate should be installed directly behind the wall. Backfill refers to the dirt behind the wall.
With proper retaining wall drainage and construction it can bring a lot of character and function to your landscaping. When it saturates clay type soils they swell and put excessive pressure on the backside of the wall. Jul 28 2019 explore janie silinger s board retaining wall drainage on pinterest.
This video shows how a retaining wall should be back filled to allow for maximum drainage. These are called weeping holes. However nearly 80 of all residential retaining walls fail at one point or another because of poor drainage.
In all cases wall rock is located within the cores of the block and a minimum of 12 in. This will keep loose soil from clogging the drainage and also from seeping through the front of the retaining wall. See more ideas about backyard landscaping garden design backyard.
Retaining walls are a seemingly simple enhancement to any landscaping project. The toe drain and the wall rock is designed to remove incidental water from behind the wall and is not meant as primary drainage path for above or below grade water management. Backfill simply refers to the soil directly behind the wall.
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