In this example the structural design of the three retaining wall components is performed by hand.
Concrete retaining wall design example.
Design and analysis of retaining walls 3 f crib walls or coffer dams are cells or units to be filled with soil or built up members of pieces of precast concrete or metal and are supported by anchor pieces embedded in the soil for.
Retaining wall design example.
Unit weight of concrete ɣ c.
Figure a 1 retaining wall cross section.
Shear strength reduced from 7654 lbs to 6589 lbs.
Design a reinforced concrete retaining wall for the following conditions.
Ce 537 spring 2011 retaining wall design example1 8.
The retaining wall is fixed to the reinforced concrete slab.
Dowels reinforcing steel placed in the footing and bent up into the stem a distance at least equal to the required development length.
Soil bearing capacity q all.
The coefficient of friction between the footing and foundation soil k 1 is 0 25 and the allowable soil bearing pressure is 2 000 psf 95 8 kpa ref.
This design example focuses on the analysis and design of a tapered cantilever retaining wall including a comparison with model results from the engineering software programs spwall and spmats.
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.
3 clear rather than the designed 2 clear.
Development of structural design equations.
Coefficient of soil friction ф.
Wall thickness 12 in.
The slope is usually expressed as a ratio of horizontal to vertical e g.
F c 3000 psi fy 60 ksi.
Assume level backfill no surcharge or seismic loading active earth pressure and masonry laid in running bond.
Reinforced concrete masonry gravity retaining walls relying on gravity loads to resist the overturning.
Unit weight of water ɣ w.
In this example the structural design of the three retaining wall components is performed by hand.
F c 3000 psi fy 60 ksi.
Design the reinforced concrete masonry cantilever retaining wall shown in figure 2.
Development of structural design equations.
Precast in a factory or formed on site and considered economical up to about 25 ft in height.
Conditions and wall geometry n a design example which demonstrates the use of the australian standard and.
Ce 437 537 spring 2011 retaining wall design example1 8.
30 unit weight of soil ɣ s.
Foundation engineering chapter 8.
Design a reinforced concrete retaining wall for the following conditions.
Retaining walls design and construction guide edition e3 may 2013 supersedes all previous editions.
Strength reduced from 136 7 to 116 8 in kips.
Assuming that the allowable bearing pressure of the soil is 120 knm 2 the coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1.
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.
305 mm f m 1 500 psi 10 3 mpa assumed weights.
3500 psi concrete 5 10.