So that the retaining wall does not suffer from the effects of underground and rainwater, it is necessary to correctly equip the drainage, the role of which is played by a pillow made in the base. In addition, along the inside of the wall it is necessary to pour a layer of crushed stone, gravel or broken brick. If necessary, from the inside, organize a drainage.
Another drainage option is a transverse, providing water flow from one terrace to another. For the removal of moisture in the lower part of the structure, every 1.5-2 ms make holes or mount pipes with a diameter of 5-10 cm. Plan such drainage at the landscape design stage.Almost all retaining walls need these two types of drainage. And you can equip them yourself.
However, on heavy clay soils or in the presence of a strip foundation in the structure, experts can decide on the installation of closed underground drainage. To do this, placed in the base of the wall or along the inside of a perforated pipe wrapped in geotextiles.
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Matterii about those yak worships of an alarm clock with impaired hands
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