<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The article presents the results of inclinometric measurements and numerical analyses of soldier-pile wall displacements. The excavation under investigation was made in cohesive soils. The measurements were conducted at points located at the edge of the cantilever excavation support system. The displacements of the excavation support observed over the period of three years demonstrated the pattern of steady growth over the first two months, followed by a gradual levelling out to a final plateau. The numerical analyses were conducted based on 3D FEM models. The numerical analysis of the problem comprise calculations of the global structural safety factor depending on the displacement of the chosen points in the lagging and conducted by means of the φ/c reduction procedure. The adopted graphical method of safety estimation is very conservative in the sense that it recognizes stability loss quite early, when one could further load the medium or weaken it by further strength reduction. The values of the M<sub>sf</sub> factor are relatively high. This is caused by the fact that the structure was designed for excavation twice as deep. Nevertheless, the structure is treated as a temporary one.</p></abstract>

The article presents the results of inclinometric measurements and numerical analyses of soldier-pile wall displacements. The excavation under investigation was made in cohesive soils. The measurements were conducted at points located at the edge of the cantilever excavation support system. The displacements of the excavation support observed over the period of three years demonstrated the pattern of steady growth over the first two months, followed by a gradual levelling out to a final plateau. The numerical analyses were conducted based on 3D FEM models. The numerical analysis of the problem comprise calculations of the global structural safety factor depending on the displacement of the chosen points in the lagging and conducted by means of the φ/c reduction procedure. The adopted graphical method of safety estimation is very conservative in the sense that it recognizes stability loss quite early, when one could further load the medium or weaken it by further strength reduction. The values of the Msf factor are relatively high. This is caused by the fact that the structure was designed for excavation twice as deep. Nevertheless, the structure is treated as a temporary one.

An Analysis of Excavation Support Safety Based on Experimental Studies

Wrocław University of Technology, Poland

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"An Analysis of Excavation Support Safety Based on Experimental Studies"}

The article presents the results of inclinometric measurements and numerical analyses of soldier-pile wall displacements. The excavation under investigation...

An Analysis of Excavation Support Safety Based on Experimental Studies

Publié en ligne: 17 nov. 2015

Pages: 19 - 29

DOI: https://doi.org/10.1515/sgem-2015-0029

Mots clés
soldier-pile wall, inclinometer measurements, φ/c reduction procedure

© by Karolina Gorska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An Analysis of Excavation Support Safety Based on Experimental Studies

Publié en ligne: 17 nov. 2015

Pages: 19 - 29

DOI: https://doi.org/10.1515/sgem-2015-0029

Mots cléssoldier-pile wall, inclinometer measurements, φ/c reduction procedure

© by Karolina Gorska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
soldier-pile wall, inclinometer measurements, φ/c reduction procedure