Poured Concrete Retaining Wall Design
Large walls and special situations require design by a professional engineer.
Poured concrete retaining wall design. Building codes and retaining walls 5. This simple retaining wall utilizes a beautiful travertine stone cap upgrade. Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry. Of compacted base 1 in.
Perhaps the finest examples of poured concrete walls can be seen every day along freeways where these structures are constructed on a massive scale. Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Poured concrete retaining walls can be colored textured accented with embedded objects and much more. Earthquake seismic design 7.
It is advisable to get local building department approval for the design however. 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. The typical installation procedure for a simple retaining wall less than 4 feet tall on good soil is described in this article. 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.
When installed properly concrete offers much more room for customization than any other retaining wall material. Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall. Design procedure overview 3. How to build a concrete wall figure a.
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. Of leveling sand and half the height of the first course of blocks. Soil bearing and stability 8. Once the forms are full of cement you can smooth out the top of the wall.
Refer to the directions on the cement mix bag and allow the cement to fully cure or dry before removing the forms. Many contractors shy away from poured concrete preferring to use cmu block with a plastered face. 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. Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever a beautiful deep relief stone wall is desired.
Line out the foundation trench on the ground. The risk of cracking in poured walls and the difficulty in repairing them makes block and plaster a more forgiving choice. Retaining walls are a specially engineered structures that hold back or retain lateral sections of soil water or other organic materials. 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. Forces on retaining walls 6. Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.