L x 12 in.
Hollow concrete blocks for retaining walls.
Uses range from landscaping garden walls and terraces as well as civil engineering projects.
However hollow concrete block walls are not structurally very strong and will not resist the flexural stress that a wall is subjected to causing them to collapse easily.
For high density blocks portland cement and aggregate usually sand and fine gravel are used as a raw material.
Retaining wall structure is commonly constructed to retain earth mass or back fill materials.
The terra force l15 interlocking mortarless concrete hollow block retaining wall system provides the solution to projects requiring soil retaining walls erosion protection garden terracing and reinforced slopes.
The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.
W x 4 in.
They are the standard sized rectangular hollow blocks made of cast concrete of high or low density.
Interlocking retaining wall block uk for garden landscaping soil erosion control.
Ft pack model 3000180 19.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
H bluestone tumbled concrete garden wall block 20 pieces 6 5 sq.
For low density blocks industrial wastes such as fly ash or bottom ash are used as the primary raw materials and are often called cinder blocks breeze blocks in different parts of.