Concrete Block Retaining Wall Design Guide

Concrete block design table you can use the concrete lego block retaining wall design table above as a guide.

Concrete block retaining wall design guide.

The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block. Soil mechanics simplified 4. Concrete masonry unitsconcrete blocks manufactured to provide an attractive durable stable face to a retaining wall. Excavation work for concrete block retaining walls.

Design procedure overview 3. 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. Soil bearing and stability 8. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.

Follow the block manufacturer s instructions for wall height limits. It is commonly used to separate drainage material from other soil. Forces on retaining walls 6. The walls are designed and constructed as either gravity retaining walls conventional or reinforced soil retaining walls.

They are commonly h or double u configuration. The system consists. Foundation all concrete block walls must rest on a sturdy foundation of poured concrete. Geotextilea permeable polymeric material which may be woven non woven or knitted.

How to build a concrete wall figure a. Concrete block retaining wall construction consists of number of phases including excavation foundation soil preparation retaining wall base construction concrete block unit placement grouting and drainage system installation. Tall wall excavate a trench deep enough to accommodate 4 to 6 in. The geo mat is attached to the blocks with galvanized steel fixing.

Of compacted base 1 in. Building codes and retaining walls 5. Earthquake seismic design 7. The concrete block act as a protective facing to the wall and allow the reinforced earth wall be built safely.

An information series from the national authority on concrete masonry technology ncma tek 15 8a 1 guide to segmental retaining walls introduction segmental retaining walls are modular block retaining walls used for vertical grade change applications. Of leveling sand and half the height of the first course of blocks. Planning the retaining wall a locking flange on the blocks for this project makes your retaining wall ideas easier to accomplish. These phases are explained briefly.