Reinforcement Rcc Retaining Wall Design

Design the wall and base reinforcement assuming fcu 35 knm 2 f y 500 knm 2 and the cover to reinforcement in the wall and base are respectively 35.

Reinforcement rcc retaining wall design.

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. Retaining wall can be built with masonry along with reinforced concrete. Calculate ground bearing pressures. Retaining wall retains earth when level difference exists between two surfaces.

Coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1. Building codes and retaining walls 5. Provide enough development length. Also check for shear at the junction.

This session is not intended to teach concrete design but more of an awareness of why things are the way they are american concrete institute building code requirements for structural concrete aci 318 which is referenced in nrcs. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria. There are three different forms of this type of wall all of which are designed to resist overturning and sliding failure. Although retaining wall was the subject of the last post their design was not covered.

As a result it is also known as gravity retaining wall. Design procedure overview 3. Soil bearing and stability 8. This post will focus on the design of reinforced concrete cantilever walls.

Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider. Determine the factors of safety against sliding and overturning. Cantilever retaining wall rcc inverted t and l. Soil mechanics simplified 4.

Design example cantilever retaining wall. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Provide the distribution steel. Reinforced concrete wall design basics mike o shea p e.

The primary difference between them is their height. The base is divided into two parts the heel and toe. Earthquake seismic design 7. Reinforced concrete cantilever retaining wall analysis and design aci 318 14 reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.