Design procedure overview 3.
Poured concrete retaining wall design.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
In this photo increte contractors installed a poured in place decorative concrete wall system called stone crete that creates deep relief stone walls with a variety of available textures and colors.
Many contractors shy away from poured concrete preferring to use cmu block with a plastered face.
It is advisable to get local building department approval for the design however.
The typical installation procedure for a simple retaining wall less than 4 feet tall on good soil is described in this article.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Roll the wheelbarrow of cement over to your wooden forms and pour the cement into the footing and form area.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.
Refer to the directions on the cement mix bag and allow the cement to fully cure or dry before removing the forms.
Earthquake seismic design 7.
The risk of cracking in poured walls and the difficulty in repairing them makes block and plaster a more forgiving choice.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
Perhaps the finest examples of poured concrete walls can be seen every day along freeways where these structures are constructed on a massive scale.
Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi.
Soil bearing and stability 8.
Forces on retaining walls 6.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more.
When installed properly concrete offers much more room for customization than any other retaining wall material.
Soil mechanics simplified 4.
Pour the retaining wall.
Of leveling sand and half the height of the first course of blocks.
Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever a beautiful deep relief stone wall is desired.
Once the forms are full of cement you can smooth out the top of the wall.
Building codes and retaining walls 5.
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.
Retaining walls are very helpful in the prevention of erosion as well as preventing the collapse of higher level ground onto a part of your building driveway patio or landscaping area.
Retaining walls are a specially engineered structures that hold back or retain lateral sections of soil water or other organic materials.
Line out the foundation trench on the ground.
Large walls and special situations require design by a professional engineer.
How to build a concrete wall figure a.