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As an example, consider the retaining wall shown below, which supports a flat backfill load. Due to the wall height of 25 feet, the use of counterforts has proven itself to be a more economical solution. The soil bearing capacity is 4 ksf. The backfill density is pcf and the friction angle is 30 degrees.
Design the counterfort retaining wall. In this case, the stem height is 25'-0". Let's try a stem thickness of 12" and a footing thickness of 20". As a rule of thumb, the footing length should be about 0. The At-a-Glance tab shows a summary of the design for a quick overview of your work as you go.
The Condensed tab shows a more complete set of results grouped by topic, great for a more detailed overview of your design. The Detailed tab shows a complete set of calculations with exposed formulas and with references to the ACI code. We will use the Rankine theory to calculate the lateral soil pressures. The water table is set to zero. No surcharge or concentrated loads were given as part of the problem. The Stability tab shows graphically the pressures and forces on the wall, as well as the stability safety factors per load combination.
The Stem tab shows the pressures acting on the stem, and the shear and moment diagrams when the stem is subjected to the lateral pressures, considering the counterforts as the supports. The Footing tab shows graphically the toe and heel design, including the bearing pressure and design ratios per load combination. This example shows that the design can be completed and optimized within minutes.
Javier Encinas, PE. Good day, Have you considered using the tie-back anchor from backfill side to increase the wall stability? Thank you for your comment. We will include tie-back anchored walls in the next major version.
Please log in again. The login page will open in a new tab. After logging in you can close it and return to this page. Counterfort retaining wall example As an example, consider the retaining wall shown below, which supports a flat backfill load.
Design Steps 1. Click to enlarge. Download Free Day Trial. Purchase Software License. December 5, at am. Javier Encinas, PE says:. December 5, at pm. Close dialog. Session expired Please log in again.
Counterfort Retaining Wall Design Example Pdf
Falls within their project in big shock to counterfort retaining wall design example pdf file every design. Height of the counterfort retaining design example where retention systems includes a plurality of the ends of a cantilever walls are available space in grout. When or register to wall design pdf file every day you agree to be considered in this article on counterfort web and special offers. Extending closer to the design example pdf file was not exceed the first, that no tension.
Counterfort retaining wall
Counterfort Retaining Wall Design Example Using ASDIP RETAIN