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.
Retaining wall design example.
Building codes and retaining walls 5.
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.
Take a look to see if you can make one of these styles work for your project.
Soil bearing and stability 8.
Two equations are developed.
The walls are used in a variety of applications se including right of way restrictions protection of existing structures that must remain in place.
3 gravity retaining wall gl1 gl2 retaining walls are usually built to hold back soil mass.
Cantilever concrete retaining walls are commonly used for residential purposes often as integral basement walls.
Design and detailing of retaining walls.
There are some great examples of block retaining walls in the photos below from basic cinderblocks to intricate masonry work.
In this example the structural design of the three retaining wall components is performed by hand.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
But if the wall deflects slightly stresses.
F c 3000 psi fy 60 ksi natural soil development of structural design equations.
The design of a retaining wall must account for all applied loads.
Ft ft ft lb sur a sur ft ft lb fill o o a ft fill a p k q h psf p pcf k p k h h out of page 1 0 31 400 16 67 1 2070 0 31 100 16 67 1 4310 2 1 0 31 1.
The stem is a vertical cantilever beam acted on by the horizontal earth pressure.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Earthquake seismic design 7.
Under normal conditions the lateral earth pressure is at rest condition.
Boulder retaining wall ideas.
Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
Design stem tstem asstem.
Assuming that the allowable bearing pressure of the soil is 120 knm 2 the.
However retaining wallscanalsobeconstructed for aesthetic landscaping purposes.
Design procedure overview 3.
Soil mechanics simplified 4.
Retaining walls built from boulders are practical and extremely effective.
Ce 537 spring 2011 retaining wall design example 3 8 3.
Chapter 14 retaining walls july 2020 14 7 14 1 introduction retaining walls are used to provide lateral resistancefor a mass of earth or other material to accommodate a transportation facility.
Worked example to accompany mbie guidance on the seismic design of retaining structures for residential sites in greater christchurch version 2 november 2014.