Reinforced Concrete Retaining Wall Design Pdf

The stem may have constant thickness along the length or may be tapered based on economic and construction criteria. F c 3000 psi fy 60 ksi o development of structural design equations. Earthquake seismic design 7.

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Strength reduced from 136 7 to 114 9 in kips.

Reinforced concrete retaining wall design pdf.

Ce 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions. 8 1 3 general design considerations the design of semi gravity reinforced concrete cantilever retaining walls shall be in accordance with the. Two equations are developed in this. However retaining wallscanalsobeconstructed for aesthetic landscaping purposes.

The wall can be either cast insitu figure 6 or precast figure 7. 2 5 clear to strength steel 5 12 rather than the designed 5 10 bending strength of the section has been reduced by about 16. Calculate ground bearing pressures. Determine the factors of safety against sliding and overturning.

Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used. The base is divided into two parts the heel and toe. Design and detailing of retaining walls. The design of reinforced concrete cantilever retaining walls shall be as stated herein.

Types of retaining walls tieback wall tieback is a horizontal wire or rod or a helical anchor use to reinforce retaining wall for stability one end of the tieback is secured to the wall while the other end is anchored to a stable structure i e. Reinforced concrete walls cantilever retaining walls can be constructed entirely from reinforced concrete. Design procedure overview 3. Coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1.

In 1990 the concrete masonry association of australia cmaa published masonry walling guide no 4. Forces on retaining walls 6. Soil bearing and stability 8. Design for earth loads retaining walls which set out a design.

In this example the structural design of the three retaining wall components is performed by hand. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. 3 gravity retaining wall gl1 gl2 retaining walls are usually built to hold back soil mass. Concrete deadman driven into the ground or anchored into the earth with sufficient resistance.

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. These revisions are presented in final bdm format for simplicity. Soil mechanics simplified 4. Constructed using a reinforced concrete masonry stem steel reinforcement grouted into hollow concrete blockwork which is built on a reinforced concrete footing.

Gravity wall masonry or plain concrete cantilever retaining wall rcc. Building codes and retaining walls 5. Masonry cantilever retaining walls design and construction guide ma51 available from the concrete masonry association of australia. 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.

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