Concrete Bag Retaining Wall With Rebar

The deformations in rebar bond to concrete and the strong bond enables loads to be transferred between the two materials.
Concrete bag retaining wall with rebar. Spread additional mortar and lay cap block to finish the wall. Stagger the second level bags over the bags on the first level. The concept is fairly straightforward. If your wall is over 20 feet long it will add the amount of overlap required.
Smooth the top with a trowel. Concrete and rebar reinforced steel is manufactured as bars rebar or welded wire mesh. Concrete bags for a retaining wall saw an article in this old house magazine. As each tier is laid backfill with tamped in dirt to assure a solid bank.
Dec 6 2016 explore greg carpenter s board cement bag retaining wall on pinterest. This calculator assumes that you are using 20 foot long lengths of rebar. Calculate the amount of rebar needed for reinforcing a wall. Once the concrete sets up you can either wait for the paper to biodegrade peel it off or burn it off.
Anchor the bags to the slope with 3 8 rebar. For best results drive steel reinforcing rods through each bag to anchor them. Retaining wall of unopened sacks of concrete i built a seawall using 80 sakrete bags many years ago. If your wall is over 40 feet long it will add 2x the amount of overlap required.
See more ideas about retaining wall concrete bags concrete retaining walls. Perforate and tamp bags as thoroughly as possible. Once the bags are laid you wet everything down thoroughly with a hose saturating all of the bags. When you reach the finished height of the concrete block retaining wall fill those cores containing rebar to the top with mortar.
Set bags in a running bond pattern with the ends butted together and corners interlocked. Prior to wetting the concrete you can easily drive rebar into the bags as reinforcement. Mix the fill mortar slightly wetter than what you d use for joints. Stack the bags alternate rows by half a bag just like laying brick or block and drive some 3 rebar down through every 3rd or 4th bag.
Lay the first level of concrete bags out where the wall will be built up.