This volume contains 94 papers and 3 keynote lectures presented at the 15th African Regional Conference on Soil Mechanics and Geotechnical Engineering, held in Maputo, Mozambique on 18-21 July 2011. The general theme of the conference was Resource and Infrastructure Geotechnics in Africa: Putting Theory into Practice. The papers are divided into the following sections: Dams, Environmental Engineering, Foundations, Lateral Support and Retaining Structures, Materials Testing, Roads, Site Characterisation and Slopes. This publication is of interest to academics and practitioners in the field of soil mechanics, geotechnical and ground engineering. IOS Press is an international science, technical and medical publisher of high-quality books for academics, scientists, and professionals in all fields. Some of the areas we publish in: • Biomedicine • Oncology • Artificial intelligence • Databases and information systems • Maritime engineering • Nanotechnology • Geoengineering • All aspects of physics • E-governance • E-commerce • The knowledge economy • Urban studies • Arms control • Understanding and responding to terrorism • Medical informatics • Computer Sciences