Wall types 1 2 7 and 8 may be used if no traffic barrier is attached on top of the wall.
Reinforced concrete retaining wall section detail.
Heavy equipment shall maintain a distance away from the wall equal to the wall s height.
Building codes and retaining walls 5.
Typical backfill and drainage detail.
Forces on retaining walls 6.
The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows.
Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces.
Earthquake seismic design 7.
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.
Functions and parts of these retaining walls are discussed.
Reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.
Strength reduced from 136 7 to 114 9 in kips.
This is an extremely popular system offering benefits that include zero lot lines a vertical wall face and a range of possible finishes.
Wood retaining walls 14.
Curb or curb and gutter adjacent to roadway and or sidewalk across bridge standards roadway sections 6 1 1985.
Counterfort retaining walls 12.
Reinforced concrete approach slab 30 ft.
It has much thinner stem and utilize the weight of the backfill soil to provide most of the resistance to sliding and overturning.
Pier and pile foundations 11.
Cantilevered tilt up walls 13.
Soil bearing and stability 8.
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.
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.
The heel is the part of the base under the backfill.
The material on the back face is called backfill.
The base is divided into two parts the heel and toe.
The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
Backfilling against reinforced concrete retaining walls shall not be permitted until the concrete has reached its 28 day strength.
This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate.
Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used.
Designing the cantilever wall stem 9.