Concrete Block Concrete Retaining Wall Footing Design

Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found.

Concrete block concrete retaining wall footing design.

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. This article shows you how to install one in a weekend. These systems are easy to install durable reasonably priced and available in a variety of colors and textures. Numerous textbooks and technical papers on soil mechanics foundation engineering concrete design masonry design and in all sorts of related topics.

Concrete strengths less than this will reduce the design life of the blocks. Before you begin you ll need to design the layout and pour the footing. There is no need for a heavy foundation. A poured concrete footing for concrete block or brick walls should be at least twice as wide as the planned wall.

Concrete blocks are a common building material for a variety of outdoor projects such as retaining walls and out buildings like garages and tool sheds. Expect to spend 20 36 hours building a 3x10 foot concrete block retaining wall. Retaining walls must be stronger than freestanding walls. The concrete design mix is normally 35 to 50kn mm2 in strength and there is no steel reinforcement in the blocks.

Determine the planned wall s height and width. See more ideas about concrete block retaining wall retaining wall building a retaining wall. The blocks need to be laid on firm ground on 100mm of concrete to give the wall a level and flat foundation. The footing should be at least as thick vertically as the wall s planned width.

A concrete block retaining wall is the perfect solution to control erosion to eliminate a hard to mow slope to add a planting bed or to level an ideal patio area. It should be compacted to at least 95 standard proctor compaction test. Aug 17 2019 explore donald cawood pope s board concrete block retaining wall on pinterest. Foundation soil preparation for concrete block retaining walls foundation soil under the basement should be excavated in accordance with drawings of the concrete block retaining wall design.

Foundation all concrete block walls must rest on a sturdy foundation of poured concrete. Insert rebar in the footing when you pour it.