Cantilever Retaining Wall Picture
Cantilever rc retaining wall 10 kn m2 m 500 mm h 400 0 6h 240 2h 800 h 400 b 0 6h to 0 7h 3200 h 4900 2000 2 71 kn m2 27 9 kn m2 25 9 kn m2 active soil pressure p.
Cantilever retaining wall picture. It is constructed of reinforced portland cement. Soil bearing capacity q all. Cantilever retaining wall are usually of reinforced concrete and work on the principles of leverage. Suggest suitable dimensions for the rc retaining wall example 1.
A cantilever wall is constructed from reinforced concrete and is built with a stem and base slab that is. These webs are known as counterforts. This design example focuses on the analysis and design of a tapered cantilever retaining wall including a comparison with model results. 20100527 retaining wall p1010082b jpg.
Cantilever retaining wall is the most common type of earth retaining structure. شرح تصميم النوع الثاني من انواع الحوائط السانده وهو الـ cantilever wall او الحوائط الكابولية تحميل ملف الشرح. It has much thinner stem and utilize the weight of the backfill soil to provide most of the resistance to sliding and overturning. Cantilever retaining walls can be precast in a factory or formed on site and considered economical up to about 25 ft in height.
Engineers evaluate a specific area to see which kind of retaining wall is the best choice for keeping earth loads in place. Counterfort retaining walls are similar to cantilever walls except they have thin vertical concrete webs at regular intervals along the backside of the wall. Example the cantilever retaining wall shown below is backfilled with tropical lateritic earthfill having a unit weight ρ of 18 kn m 3 a cohesion of 8 kn m 3 and an internal angle of friction φ of 26. The counterforts tie the slab and base together and the purpose of them is to reduce the shear forces and bending moments imposed on the wall by the soil.
This soil called backfill is retained in positions that it would not normally be in and would collapse under the influence of gravity without the retaining wall or if the structure failed. A cantilever retaining wall is a form of masonry installation that holds a large amount of earth in place. Consider the cantilever retaining wall with the cross section shown in the above figure a 1 which retains a 2m depth of soil having the groundwater table at 1 0m level. The allowable bearing pressure of the soil is 150 knm 2 the coefficient of friction is 0 5 and the unit weight of reinforced concrete is 24 kn m 3.
The cantilever design is just one of several variations on a retaining wall design using various principles to manage earth loads. 20100527 retaining wall p1010080b jpg.