Learn more about gravity wall construction.
Retaining wall design example canada.
Forces on retaining walls 6.
The objective of this guideline is to provide information on retaining wall design in accordance with the city of nanaimo the city and the british columbia building code bcbc requirements.
Earthquake seismic design 7.
Retaining wall design guidelines v1 1 covers indd lmf c m y k client bleed ad pic info enggeobc th write r prod docket live pr fonts.
Because a retaining wall is going to be in contact with the ground make sure you use lumber that s rated for ground contact.
If you want to move the earth build a retaining wall by the time you re done you ll feel as though you ve moved half the planet.
Gravity walls rely on their own weight and setback to hold up the soil behind them.
Ce 537 spring 2011 retaining wall design example 6 8 2 80 5 0 allowablebearingcapacity ok 1 11 75 6 1 29 9 1 11 75 17 69 2 ksf ksf ft ft k ft ft k v 7.
Ddb canada 1600 777 hornby street vancouver bc canada v6z 2t3 t 604 687 7911 f 604 640 4344.
However some regulatory and structural issues are discussed.
Cantilever concrete retaining walls are commonly used for residential purposes often as integral basement walls.
Your best choice is a pressure treated wood that has a rating of 40 or higher.
Ce 437 537 spring 2011 retaining wall design example 1 8 design a reinforced concrete retaining wall for the following conditions.
In this example the structural design of the three retaining wall components is performed by hand.
Please note that the gravity wall chart provided has specific heights for specific site and soil conditions.
If you are not sure of your site conditions we recommend being conservative with your retaining wall heights or use geogrid in your retaining wall.
Design and analysis of retaining walls 8 1 introduction retaining walls are structures used to provide stability for earth or other materials at their natural slopes.
In general they are used to hold back or support soil banks and water or to maintain difference in the elevation of the ground surface on each of wall sides.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
F c 3000 psi fy 60 ksi natural soil development of structural design equations.
The focus of the guideline is the geotechnical aspects of retaining wall design.
Two equations are developed.
Professional practice guidelines retaining wall design version 1 1 i preface.
Design procedure overview 3.
Soil mechanics simplified 4.
W wheel wfill wsur k ft klf ft u u klf ft ft ft w l m w plf.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
These professional practice.
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.
Soil bearing and stability 8.