Gravity Retaining Wall Design Example Pdf

Semi gravity retaining wall reduce the dimensions of the gravity retaining wall by using some reinforcement.

Gravity retaining wall design example pdf.

3 gravity retaining wall gl1 gl2 retaining walls are usually built to hold back soil mass. 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. However retaining wallscanalsobeconstructed for aesthetic landscaping purposes. Walls formed from interlocking concrete blocks are designed as gravity walls defined in bs 8002 2015 as follows.

Flexural and shear stresses are checked in the second design example and it is seen that the magnitudes are very low. 14 1 1 wall development process. How retaining walls fail. Gravity wall design considerations all retaining walls need to be designed to withstand various imposing forces.

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. Soldier pile walls 22. Gravity walls generally are trapezoidal in shape but also may be built with broken backs. Naturally the biggest concern is the force imposed by the retained soil.

As you can see the weight of the soil or soil pressure. This is a cross section of a gravity wall composed of srw facing units and drainage aggregate. Segmental retaining walls 17. Design and detailing of retaining walls.

The top width of the stem should be not less. Design example cantilever retaining wall. Cantilever concrete retaining walls are commonly used for residential purposes often as integral basement walls. 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. Construction topics and caveats 24. Sheet pile walls 21. Flexural and shear stresses in gravity retaining walls will almost always be of minor importance.

8 3 2 1 gravity retaining walls gravity wall dimensions may be taken as shown in fig 8 3 a. Swimming pool walls 18. Cantilever retaining wall reinforced concrete wall with small dimensions and it is the most economical type and the most common note. 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.

Structural design of cantilever retaining wall is depend on separating each. 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. Cantilevered tilt up walls 13.