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2. Retaining wall - Wikipedia

   en.wikipedia.org/wiki/Retaining_wall

   A basement wall is thus one kind of retaining wall; however, the term usually refers to a cantilever retaining wall, which is a freestanding structure without lateral support at its top. [2] These are cantilevered from a footing and rise above the grade on one side to retain a higher level grade on the opposite side.

3. Drainage - Wikipedia

   en.wikipedia.org/wiki/Drainage

   If the water pressure is not drained appropriately, retaining walls can bow, move, and fracture, causing seams to separate. The water pressure can also erode soil particles, leading to voids behind the wall and sinkholes in the above soil. Traditional retaining wall drainage systems can include French drains, drain pipes or weep holes. To ...

4. Revetment - Wikipedia

   en.wikipedia.org/wiki/Revetment

   Asphalt and sandbag revetment with a geotextile filter. A revetment in stream restoration, river engineering or coastal engineering is a facing of impact-resistant material (such as stone, concrete, sandbags, or wooden piles) applied to a bank or wall in order to absorb the energy of incoming water and protect it from erosion.

5. The 35 Best Raised Garden Bed Ideas to Transform Your Outdoor ...

   www.aol.com/35-best-raised-garden-bed-122000463.html

   The ground of this garden was layered with pea gravel to manage drainage and weed control." 4. Cityscape ... "You can use retaining wall stones as seen in this image or use boulders, rocks and ...

6. Land drains - Wikipedia

   en.wikipedia.org/wiki/Land_drains

   This was very labour-intensive but could often be done using free materials at hand. Typically they were two to three feet (600mm-900mm) below the surface. Agricultural land drains have to be installed sufficiently deep to avoid plough damage. In 1843 in England short earthenware pipes were first used laid edge to edge. The earliest type ...

7. Geocomposite - Wikipedia

   en.wikipedia.org/wiki/Geocomposite

   The second type is in the form of drainage panels, the rigid polymer core being nubbed, columned, dimpled or a three-dimensional net. With a geotextile on one side it makes an effective drain on the backfilled side of retaining walls, basement walls and plaza decks. The cores are sometimes vacuum formed dimples or stiff 3-D meshes.