This seventh manual in our GEO5 engineering series focuses on the design and verification of multi-anchored retaining walls. Using the GEO5 Sheeting Check program, this guide provides a detailed walkthrough of the process involved in analyzing the stability and performance of a complex multi-anchored wall, with real-world application in the Prosek metro station project in Prague. Available for download, this manual is a must-have resource for geotechnical engineers tackling advanced retaining wall designs.
Learning Objective:
The objective of this manual is to guide users through the verification process of a multi-anchored retaining wall using the EN 1997-1 (EC 7-1, DA3) standard. Users will learn how to model complex wall systems, analyze internal forces and displacements, and ensure that the wall structure meets all safety and stability requirements throughout multiple construction stages.
Assignment Description:
In this assignment, users are tasked with verifying a multi-anchored wall made from steel soldier piles I 400, considering various soil layers and groundwater conditions. The manual provides step-by-step instructions on how to input data, set up construction stages, and perform analyses to determine the stability, internal forces, and displacements of the wall. The assignment also covers the verification of the wall’s cross-section and the evaluation of both internal and external stability.
Outcome:
Upon completing the assignment, users will be able to accurately verify the design of a multi-anchored retaining wall, ensuring it meets all necessary criteria for safety and stability. The manual equips users with the skills to model complex geotechnical conditions and evaluate the wall’s performance under realistic loading scenarios, including the effects of anchor forces and soil-structure interaction.
Conclusions:
The manual concludes that the designed multi-anchored wall, after thorough verification, meets all stability and safety requirements. The analysis confirms that the wall is stable across all construction stages, with satisfactory results in bearing capacity, internal stability, and overall stability. The final design, featuring optimal anchor placement and minimal deformation, is validated as fit for purpose.
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