This nineteenth manual in the GEO5 engineering series focuses on the use of anti-slide piles to stabilize slopes and prevent landslides. Utilizing the GEO5 Slope Stability and Anti-Slide Pile programs, this guide provides a comprehensive approach to designing and analyzing the effectiveness of anti-slide piles in enhancing slope stability. Available for download, this manual is an essential resource for geotechnical engineers tasked with addressing slope stability issues.

Learning Objective:

The goal of this manual is to teach users how to design and analyze the effectiveness of anti-slide piles for slope stabilization using GEO5 software. Users will learn how to model slopes, identify critical slip surfaces, and design anti-slide piles that intersect these surfaces to prevent landslides, ensuring the slope meets the required safety factors.

Assignment Description:

In this assignment, users are tasked with stabilizing a slope by designing anti-slide piles using GEO5 software. The assignment involves modeling the slope in the Slope Stability program, identifying critical slip surfaces, and designing anti-slide piles to meet a safety factor of SF=2.0. The manual guides users through each step, including the analysis of internal forces, horizontal displacements, and the dimensioning of the piles.

Outcome:

Upon completing this assignment, users will be able to design and verify the effectiveness of anti-slide piles in stabilizing slopes using GEO5 software. They will gain practical experience in using both the Slope Stability and Anti-Slide Pile programs to ensure that their designs meet the necessary safety and performance criteria.

Conclusions:

The manual concludes that the designed anti-slide piles successfully increased the slope’s safety factor from SF=1.8 to SF=2.27. The analysis also shows that the pile design is satisfactory in terms of shear and bending, with the maximum displacement of the piles being 15.8 mm, which is within acceptable limits.

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