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