Abstract
The objective of the present paper represents the optimization of the excavation dimensions within underpinning works. Stress variations within the structural walls of an existing masonry church have been observed and interpreted for different lengths of the excavation section, in order to optimize the section length and to not exceed the allowable deformation limits. In this respect, nonlinear static analyzes using finite element program ANSYS Workbench have been performed, considering soil-structure interaction, for limited excavations that take place underneath the existing stone masonry foundation, laying on a multi-layered soil.
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