It should be at least 215mm thick and bonded or made of two separate brick skins tied together.
Brick retaining wall construction details.
Retaining walls can be tricky to build as they need to be strong enough to resist horizontal soil pressure where there are differing ground levels.
Mass retaining walls are not generally considered to be economic over a height of 1800mm when constructed of brick or concrete and 1000mm high in the case of natural stonework.
Harington srw harington rear lipped segmented retaining walls srws include a comprehensive assortment of block heights depths and face.
One of the things you must get right is the thickness of the wall.
This design is composed of two standard brick walls just inches apart that share the same foundation.
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When the space is filled with grout or concrete it becomes a solid structure.
Between them is a gap for steel that runs up from the foundation to the top of the wall.
Gravity walls solid 41 inch 1030mm hollow core and xl blocks.
Consider the cantilever retaining wall with the cross section shown in the above figure a 1 which retain a 2m depth of soil having the ground water table at rm om 5 68 2 0 hence safe in overturning moment.
A minimum wall thickness should be 215mm of bonded construction or two separate brick skins tied together see reinforcement this will suffice in most cases where the ground level difference does not exceed one metre and where ground and water pressures are minimal.
Design procedure overview 3.
Soil mechanics simplified 4.
Medium height brick retaining walls typical mass retaining wall details these walls rely mainly on their own mass to overcome the tendency to slide forwards.
Basics of retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
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