Reinforced Concrete Retaining Wall Section Detail

Cantilevered tilt up walls 13.

Reinforced concrete retaining wall section detail.

This is an extremely popular system offering benefits that include zero lot lines a vertical wall face and a range of possible finishes. Wall types 1 2 7 and 8 may be used if no traffic barrier is attached on top of the wall. Cantilever retaining wall are usually of reinforced concrete and work on the principles of leverage. Reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.

Wood retaining walls 14. Cantilever retaining wall is the most common type of earth retaining structure. Building codes and retaining walls 5. Strength reduced from 136 7 to 114 9 in kips.

Curb or curb and gutter adjacent to roadway and or sidewalk across bridge standards roadway sections 6 1 1985. Soil bearing and stability 8. Care shall be taken to avoid exerting large impact forces on the wall. Designing the cantilever wall stem 9.

This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate. Gabion walls 16. Earthquake seismic design 7. Reinforced concrete approach slab 30 ft.

Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces. The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows. The base is divided into two parts the heel and toe. 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.

Forces on retaining walls 6. Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used. It has much thinner stem and utilize the weight of the backfill soil to provide most of the resistance to sliding and overturning. Types of reinforced concrete retaining walls are cantilever retaining walls and counterfort retaining walls.

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. Heavy equipment shall maintain a distance away from the wall equal to the wall s height. Counterfort retaining walls 12. Pier and pile foundations 11.

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. Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength. Functions and parts of these retaining walls are discussed. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.