Get Drainage Pipe Retaining Wall PNG. Backfill refers to the dirt behind the wall. To accomplish this, vent the drain pipe to daylight or a lower elevation on the prior to constructing the wall, review drainage plans and details to identify all potential sources of concentrated water.
Without a proper retaining wall drainage system, 80% of all retaining walls will fail.
Backfill the area behind the retaining wall with gravel to cover the drainage pipe. A perforated or slotted drainage pipe, protected with a filter cloth to prevent it from being clogged by silt, must be installed behind the base of the wall to collect and remove water, which. Below is an overview of the different types of walls and these common components. Make sure it falls slightly in the desired direction.