Cantilever Concrete Retaining Wall Detail
Reinforcement details of retaining wall.
Cantilever concrete retaining wall detail. The base is divided into two parts the heel and toe. The cantilever retaining wall cantilever wall constructed of reinforced portland cement concrete pcc was the predominant type of rigid retaining wall used from about the 1920s to the 1970s earth slopes and earth retaining structures are used to maintain two different ground surface elevations. Counterfort retaining walls 12. Segmental retaining walls 17.
Forces on retaining walls 6. Concrete masonry cantilever retaining walls if unrestrained a soil embankment will slump to its angle of repose. Reinforced concrete cantilever types of retaining wall are recommended for heights up to 7 m. Soil bearing and stability 8.
This type of walls has vertical stem monolithic with the base. Recommended stem designs for reinforced cantilever retaining walls with no surcharge are contained in tables 1 and 2 for allowable stress design and strength design respectively. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria. Reinforced concrete walls cantilever retaining walls can be constructed entirely from reinforced concrete.
It is constructed of reinforced portland cement hellip. Unit weight of concrete. A slender section can be used in this retaining wall the tensile stresses within the stem and the base is resisted by steel reinforcement. Full details of masonry wall construction are provided in reinforced concrete masonry cantilever retaining walls design and construction guide ma51 available from the concrete masonry association of australia.
Cantilever retaining wall are usually of reinforced concrete and work on the principles of leverage. Cantilever retaining wall is the most common type of earth retaining structure. Consider the cantilever retaining wall with the cross section shown in the above figure a 1 which retain a 2m depth of soil having the ground water table at. Wood retaining walls 14.
These design methods are discussed in detail in allowable stress design of concrete masonry tek 14 7a and strength design of concrete masonry tek 14 4a refs. Designing the cantilever wall stem 9. It has much thinner stem and utilize the weight of the backfill soil to provide most of the resistance to sliding and overturning. Earthquake seismic design 7.
Cantilevered tilt up walls 13. The wall can be either.