Reinforced Concrete Retaining Wall Section Detail

Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces. The material on the back face is called backfill. It is constructed of reinforced portland cement concrete pcc was the predominant type of rigid retaining wall used from about the 1920s to 1970s.

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Pier and pile foundations 11.

Reinforced concrete retaining wall section detail.

Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. This detail replaces ga standard 9031w. Forces on retaining walls 6. Types of reinforced concrete retaining walls are cantilever retaining walls and counterfort retaining walls.

This is an extremely popular system offering benefits that include zero lot lines a vertical wall face and a range of possible finishes. Earth slopes and earth retaining structures are used to maintain two different ground surface elevations. Soil bearing and stability 8. Special details concrete sidewalk details curb cut wheelchair ramps.

Reinforced concrete cantilever types of retaining wall are recommended for heights up to 7 m. 2 5 clear to strength steel 5 12 rather than the designed 5 10 bending strength of the section has been reduced by about 16. Building codes and retaining walls 5. Counterfort retaining walls 12.

Precast reinforced concrete manhole. Download free high quality cad drawings blocks and details of retaining walls organized by masterformat. Cantilever retaining wall is the most common type of earth retaining structure. Designing the cantilever wall stem 9.

Retaining wall systems reinforced concrete masonry walls reinforced and core filled hollow concrete blocks are laid on a reinforced concrete footing to form a cantilever retaining wall figure 4. Care shall be taken to avoid exerting large impact forces on the wall. Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used. Earthquake seismic design 7.

Cantilevered tilt up walls 13. Gabion walls 16. The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows. Functions and parts of these retaining walls are discussed.

Strength reduced from 136 7 to 114 9 in kips. A slender section can be used in this retaining wall the tensile stresses within the stem and the base is resisted by steel reinforcement. Typical backfill and drainage detail. This type of walls has vertical stem monolithic with the base.

Wall types 1 2 7 and 8 may be used if no traffic barrier is attached on top of the wall. Wood retaining walls 14. Heavy equipment shall maintain a distance away from the wall equal to the wall s height.

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