Your retaining wall.
Retaining wall foundation depth.
Retaining walls can be constructed using a variety of materials from poured concrete and large timbers to natural stones even bricks.
Pier and pile foundations 11.
Counterfort retaining walls 12.
One key aspect of retaining wall construction is preparing a solid footing or foundation.
600 mm wide the length of the wall the depth of the trench will be 6 in.
25 mm for each 1 ft 300 mm of wall height for the amount or buried block that is needed.
Cantilevered tilt up walls 13.
The foundations need to be at least 3 times the width of a half brick wall i e.
Building codes and retaining walls 5.
Earthquake seismic design 7.
Over 1m up to 2m.
Type of wall wall height depth of concrete width of trench.
The footing is usually made of poured concrete but in some situations homeowners may instead opt to simply use tamped earth or a gravel base.
34 cm 13 5 inch or at least twice the width of a one brick wall i e.
Do start with a good foundation.
Designing the cantilever wall stem 9.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Follow the block manufacturer s instructions for wall height limits.
The most important part of any wall is its foundation and if these are out of true you will have a hard job producing a good wall.
Forces on retaining walls 6.
Thoroughly planned and ably performed wall construction will help to ensure the retaining wall s stability.
For this you ll need to be careful on following the instructions on this video so you.
Retaining wall base trench dig a base trench 24 in.
Wood retaining walls 14.
The third step for your diy retaining wall is to prepare for footing.
150 mm plus an additional 1 in.