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Visual Slope
A Geotechnical Design Resource
One of the common approaches to remediate an instable slope is installing a row of retaining piles near the toe of
the slope to buttress the upper slope. When designing a resisting pile, the engineer must know how much resisting
force is required to support the upper slope. With this retaining force, the embedment and section of the pile can
then be determined. However, the retaining force varies with the location of the pile. Most slopestabilityanalyzing
program will only provide a factor of safety for an entire sliding body by averaging the factor of safety of each slice;
however, if a slope is divided into upslope and downslope at the location where the resisting piles are installed, the
factor of safety of the upslope usually is much lower than that of the downslope. In many cases, even though the
factor of safety of the entire sliding body is lower than the required factor of safety, the factor of safety of the
downslope could still be above the required factor of safety and provide supporting force to the upslope. The
design process is complicated if all of the factors mentioned above are considered.
Visual Slope greatly simplifies the resisting pile design process. The user only needs to identify where the pile is
located (by drawing the pile into the slope model), the factor of safety required for the upper slope, and the factor
of safety desired for the lower slope. Visual Slope will automatically adjust the pile embedment and provide the
internal forces of the pile for the section design to meet the required factor of safety of the upslope, based on the
provided conditions.
Features of Retaining Pile Design
 Clear and simple
 Automatic search of most critical failure surface
 Automatic adjustment of embedment of resisting pile
 Consideration of downslope supporting fact
 Resisting pile with tiebacks
 Internal forces calculation for section design
Slope Stability Analysis with Retaining Pile

Internal Forces in Retaining Pile

Retaining Pile with Tieback
