Reinforced Concrete Retaining Wall Section Detail

The material on the back face is called backfill.

Reinforced concrete retaining wall section detail.

Soil bearing and stability 8. Pier and pile foundations 11. Gabion walls 16. Typical backfill and drainage detail.

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. It has much thinner stem and utilize the weight of the backfill soil to provide most of the resistance to sliding and overturning. This is an extremely popular system offering benefits that include zero lot lines a vertical wall face and a range of possible finishes. Cantilever retaining wall are usually of reinforced concrete and work on the principles of leverage.

Heavy equipment shall maintain a distance away from the wall equal to the wall s height. The base is divided into two parts the heel and toe. Forces on retaining walls 6. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.

Functions and parts of these retaining walls are discussed. The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b preventing water penetration in below grade concrete masonry walls and ncma s basement manual for more detailed design and. Wall types 1 2 7 and 8 may be used if no traffic barrier is attached on top of the wall. 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.

Strength reduced from 136 7 to 114 9 in kips. Care shall be taken to avoid exerting large impact forces on the wall. Designing the cantilever wall stem 9. Curb or curb and gutter adjacent to roadway and or sidewalk across bridge standards roadway sections 6 1 1985.

Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used. The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows. Cantilever retaining wall is the most common type of earth retaining structure. This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate.

The heel is the part of the base under the backfill. Cantilevered tilt up walls 13. Counterfort retaining walls 12. Wood retaining walls 14.

Earthquake seismic design 7. Reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab. Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces. Reinforced concrete approach slab 30 ft.