Rcc Retaining Wall Design Reinforcement Details

F c 3000 psi fy 60 ksi natural soil development of structural design equations.

Rcc retaining wall design reinforcement details.

Design and detailing of retaining walls learning outcomes. Counterfort retaining wall comprises of a stem toe slab and heel. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Let s take a look at these in a little more detail and see what happens if the parameters for a particular design are not met 牜.

Types of reinforced concrete retaining walls are cantilever retaining walls and counterfort retaining walls. Coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1. Design example cantilever retaining wall. Reinforced concrete wall is classified as.

In this example the structural design of the three retaining wall components is performed by hand. Classification of retaining walls backfill backfill gravity rw t shaped rw l shaped rw tile. Earthquake seismic design 7. Provide the distribution steel.

Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces. Design is similar to a rc column breadth equal to thickness of wall and depth equal to 1m. Design procedure overview 3. This session is not intended to teach concrete design but more of an awareness of why things are the way they are.

Cantilever retaining wall rcc inverted t and l. M c c 400 mm. Also check for shear at the junction. Forces on retaining walls 6.

Soil bearing and stability 8. Meanwhile the height of earth to be retaining go beyond 5 meter the bending moment started in the stem heel and toe slabs are very large which gives rise to large thickness of structural elements and turns out to be pricy therefore counterfort type retaining wall is selected for larger heights. Building codes and retaining walls 5. M h1 7 m h 8 25 m.

Rcc wall is. Provide enough development length. Details of wall mm cf 3 h 7 8. Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.

Functions and parts of these retaining walls are discussed. Two equations are developed. Reinforced concrete wall when reinforcement 0 4. Counterfort retaining wall rcc buttress wall rcc 3.

The base is divided into two parts the heel and toe. Determine the factors of safety against sliding and overturning. Load from slab is transferred as axial load to wall. When depth is large it is called rc wall.

The stem may have constant thickness along the length or may be tapered based on economic and construction criteria. Calculate ground bearing pressures. Soil mechanics simplified 4. 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.