Gravity Retaining Wall Design Example Pdf
3 gravity retaining wall gl1 gl2 retaining walls are usually built to hold back soil mass.
Gravity retaining wall design example pdf. Cantilevered tilt up walls 13. Restrained non yielding walls 20. Gravity wall design considerations all retaining walls need to be designed to withstand various imposing forces. Cantilever retaining wall reinforced concrete wall with small dimensions and it is the most economical type and the most common note.
Naturally the biggest concern is the force imposed by the retained soil. This is a cross section of a gravity wall composed of srw facing units and drainage aggregate. 6 foot 1 8 m high gravity retaining wall equivalent fluid pressure of soil 40 pcf 7 1 kn m soil weight 100 pcf 15 7 kn. Sheet pile walls 21.
Segmental retaining walls 17. Design and detailing of retaining walls. However retaining wallscanalsobeconstructed for aesthetic landscaping purposes. Construction topics and caveats 24.
Wood retaining walls 14. Worked example to accompany mbie guidance on the seismic design of retaining structures for residential sites in greater christchurch version 2 november 2014. Flexural and shear stresses are checked in the second design example and it is seen that the magnitudes are very low. Cantilever concrete retaining walls are commonly used for residential purposes often as integral basement walls.
Retaining walls such as mse walls with precast concrete panel facing that are susceptible to damage from vehicular impact shall be protected by a roadway barrier. Walls formed from interlocking concrete blocks are designed as gravity walls defined in bs 8002 2015 as follows. Flexural and shear stresses in gravity retaining walls will almost always be of minor importance. Types of retaining walls gravity wall depends entirely on its own weight to provide necessary stability usually constructed of plain concrete or stone masonry plain concrete gravity wall height 3 m in designing this wall must keep the thrust line within the middle third of the base width no tensile stress to be developed.
As you can see the weight of the soil or soil pressure. How retaining walls fail. 8 3 2 1 gravity retaining walls gravity wall dimensions may be taken as shown in fig 8 3 a. Design example cantilever retaining wall.
Gravity retaining walls are earth retaining structures that depend primarily on their own self weight and that of any enclosed material to support the retained ground and any structures or loads placed upon it. Pilaster masonry walls 19. 14 1 1 wall development process. Structural design of cantilever retaining wall is depend on separating each.
The top width of the stem should be not less. Semi gravity retaining wall reduce the dimensions of the gravity retaining wall by using some reinforcement. Swimming pool walls 18.