Earthquake seismic design 7.
Cantilever retaining wall reinforcement details.
Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall.
Assuming that the allowable bearing pressure of the soil is 120 knm 2 the.
Cantilever retaining wall with shear key.
M h1 7 m h 8 25 m.
The base is divided into two parts the heel and toe.
Walls in excess of this height have been economically constructed using prestressing techniques.
M c c 400 mm.
Building codes and retaining walls 5.
Details of wall mm cf 3 h 7 8.
Wood retaining walls 14.
Counterfort retaining walls 12.
Retaining wall masonry cantilever.
The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
Forces on retaining walls 6.
Pier and pile foundations 11.
Photos of retaining walls 5.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
This type of walls has vertical stem monolithic with the base.
Cantilever retaining wall with shear keywith shear key batter drainage hole toe 2.
Provide enough development length.
Designing the cantilever wall stem 9.
Retaining walls example 3 16 design of a cantilever retaining wall bs 8 110 the cantilever retaining wall shown below is backþlled with granular material having a unit weight of 19 knm 3 and an internal angle of friction of 30.
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.
Retaining wall reinforced concrete cantilever sd 7 01.
Soil bearing and stability 8.
Gabion walls 16.
Reinforced concrete cantilever types of retaining wall are recommended for heights up to 7 m.
Also check for shear at the junction.
Reinforced concrete cantilever retaining wall analysis and design aci 318 14 reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.
Bid item number description sd drawing method of measurement.
A slender section can be used in this retaining wall the tensile stresses within the stem and the base is resisted by steel reinforcement.
Reinforcement of cantilever retaining wall advantages and details about cantilever wall reinforced cantilever walls have an economic height range of 1 200 to 6 000 m.
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.