Once the first row is installed pack native soil to grade level on both sides of this course to anchor the wall in place.
How to build a concrete block retaining wall on a slope.
Install the first course of blocks using a taut string line to establish a straight row.
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.
Sometimes retaining walls must be built on a slope and therefore special features must be built in to keep the wall sturdy and long lasting.
Here are the basic steps on how to build a retaining wall on a slope.
Step up retaining wall into slope compact the wall rock directly behind the block and the next step up area a minimum of two passes with a plate compactor.
The steps are described below.
Repeat these steps to the top of the grade.
Keep in mind the block at each step up must be completely buried to maintain the proper base depth and to prevent wall failure due to erosion.
Build the footing and insert rebar into the wet concrete at intervals corresponding to the cores in the blocks.
Bore in stakes and tie strings firmly across to establish the desired wall height.
Prepare the footing spread mortar and build leads sliding the block over the rebar as needed.
Lay out the wall and excavate the slope and the footing trench.
The process to build a retaining wall on slope can be divided into 10 steps to understand easily.
The exact depth of the.
Build a retaining wall on slope.
Layout the concrete stones that.
For a stacked block retaining wall that s no higher than four feet a trench filled with three inches of crushed rock will help keep the wall from shifting and settling.
Level to level blocks lengthwise and a torpedo level to level the front to back.
Dig into the earth to span about 2 feet back from the front side of your planned wall.
To mark a free form layout use a rope or hose to outline the shape.