Investigation of Soil-Structure Interaction in Tied-Back Walls

Abstract

In this study, behavior of diaphragm walls with prestressed anchors during construction is investigated with numerical analysis and model testing, taking into consideration soil-structure interaction at anchor/soil and wall/soil interfaces. In the first phase of investigations, the load-deformation behavior of an anchor in soil during prestressing is studied with the help of pull-out tests, and the finite element analysis. Based on the evaluation of experimental results and analytical solutions for pull-out tests, conclusions are presented. In the second phase of investigations, the behavior of anchored diaphragm walls, as the excavations in front of the wall proceeds, is studied with model testing and numerical analysis. Based on the evaluation of experimental observations and analytical solutions, conclusions are reached for the behavior of anchored diagphram walls. (A) For the covering abstract see IRRD 898458.