Counterfort retaining wall comprises of a stem toe slab and heel.
Rcc retaining wall design reinforcement details.
When depth is large it is called rc wall.
M c c 400 mm.
Two equations are developed.
M h1 7 m h 8 25 m.
Reinforced concrete wall when reinforcement 0 4.
Design and detailing of retaining walls learning outcomes.
Design example cantilever retaining wall.
Coefþcient of friction is 0 4 and the unit weight of reinforced concrete is 24 knm 3 1.
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.
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.
Reinforced concrete wall design basics mike o shea p e.
Design procedure overview 3.
Types of reinforced concrete retaining walls are cantilever retaining walls and counterfort retaining walls.
Functions and parts of these retaining walls are discussed.
F c 3000 psi fy 60 ksi natural soil development of structural design equations.
Counterfort retaining wall rcc buttress wall rcc 3.
Building codes and retaining walls 5.
Plain concrete wall when reinforcement 0 4.
Reinforced concrete wall is classified as.
Forces on retaining walls 6.
In this example the structural design of the three retaining wall components is performed by hand.
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.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Calculate ground bearing pressures.
Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
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.
Provide enough development length.
Determine the factors of safety against sliding and overturning.
Load from slab is transferred as axial load to wall.
Classification of retaining walls backfill backfill gravity rw t shaped rw l shaped rw tile.
Rcc wall is.
Also check for shear at the junction.
Provide the distribution steel.
Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces.
Soil mechanics simplified 4.
The base is divided into two parts the heel and toe.
This session is not intended to teach concrete design but more of an awareness of why things are the way they are.
Details of wall mm cf 3 h 7 8.