Retaining Wall Design Guide

Analysis and design of concrete retaining wall concrete retaining wall design.
Retaining wall design guide. In addition we need to check the bearing under the foundation. Retaining wall development is described in section 11 55 5 of the. Forces on retaining walls 6. A wall number is assigned as per criteria discussed in.
Gravity walls rely on their own weight and setback to hold up the soil behind them. Please note that the gravity wall chart provided has specific heights for specific site and soil conditions. For more details about above checks click here. Overturning and sliding shall be checked before proceeding with the design.
14 1 1 1of this chapter. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Earthquake seismic design 7. Soil bearing and stability 8.
Design procedure overview 3. 3 compressive strength is a historical minimum guide to what has been found to provide units that pass weight loss requirements when tested to astm c1262. Follow the block manufacturer s instructions for wall height limits. 1 10 retaining wall design calculations should follow good engineering judgment and or standard design methodologies such as allan block ncma aashto or fhwa.
Soil mechanics simplified 4. Learn more about gravity wall construction. If you are not sure of your site conditions we recommend being conservative with your retaining wall heights or use geogrid in your retaining wall. To mark a free form layout use a rope or hose to outline the shape.
Wisdot regional staff determines the need for permanent retaining walls on highway projects. Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding. Actual minimum compressive.