4 Foot Concrete Retaining Wall Design
In the past years people frequently used concrete for inexpensive retaining wall ideas since it functions well solid and dependable.
4 foot concrete retaining wall design. Tall walls create high potentially dangerous drop offs that may need a fence or other type of safety barrier. The typical installation procedure for a simple retaining wall less than 4 feet tall on good soil is described in this article. With forces like these in play you should limit your retaining wall efforts to walls under 4 feet tall 3 feet for mortarless stone. An 8 foot tall retaining wall must be eight times stronger than a 4 foot tall wall.
In most states retaining wall designs taller than about four feet must be designed by or approved by a qualified licensed professional engineer. Also as walls get taller they get exponentially more difficult to design and build. And secure one row to the next with pins. Of leveling sand and half the height of the first course of blocks.
Excavate the trench to about 3 feet wide and to the desired depth generally 12 inches. Particularly retaining walls can assist you on keeping the soil on one side of the structure enabling a lower floor level on the other side of the wall. Tall wall excavate a trench deep enough to accommodate 4 to 6 in. Additionally it is important to check with and adhere to local building codes prior to any construction even when walls are shorter than four feet.
Double the wall height to 8 feet and you would need a wall that s eight times stronger to do the same job. A 4 foot high 15 foot long wall could be holding back as much as 20 tons of saturated soil. Step succeeding courses back 3 4 in overlap vertical joints at least 4 in.