Concrete Block Retaining Wall Design Example

Soil mechanics simplified 4.

Concrete block retaining wall design example.

The coefficient of friction between the footing and foundation soil k 1 is 0 25 and the allowable soil bearing pressure is 2 000 psf 95 8. Soil bearing and stability 8. Two equations are developed. It is commonly used to separate.

Concrete masonry units concrete blocks manufactured to provide an attractive durable stable face to a retaining wall. Assume level backfill no surcharge or seismic loading active earth pressure and masonry laid in running bond. Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider. F c 3000 psi fy 60 ksi natural soil development of structural design equations.

Design procedure overview 3. 6 foot 1 8 m high gravity retaining wall equivalent fluid pressure of soil 40 pcf 7 1 kn m soil weight 100 pcf 15 7 kn. Building codes and retaining walls 5. F c 3000 psi fy 60 ksi o development of structural design equations.

Flexural and shear stresses in gravity retaining walls will almost always be of minor importance. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi. Movement of the retaining wall.

Traditional retaining wall solutions can be expensive and restrictive for example cast in situ construction is slow and expensive to build and precast retaining wall panels are restricted in height. In this example the structural design of the three retaining wall components is performed by hand. Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. In this example the structural design of the three retaining wall components is performed by hand.

Let s take a fresh look and see how concrete interlocking blocks or more commonly known as concrete lego blocks can be used as the solution. Chapter 14 retaining walls july 2020 14 7 14 1 introduction retaining walls are used to provide lateral resistancefor a mass of earth or other material to accommodate a transportation facility. The walls are used in a variety of applications se including right of way restrictions protection of existing structures that must remain in place. Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall.

Geotextile a permeable polymeric material which may be woven non woven or knitted. Ce 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. Earthquake seismic design 7. Design the reinforced concrete masonry cantilever retaining wall shown in figure 2.

Forces on retaining walls 6.