Keller Group constructed a 13 m deep underground parking lot. After many trials utilizing concrete diaphragm panels for ground support, this approach was found to be impractical. This was mainly due to the high aggregate-size variability of the morainic deposit (unconsolidated glacial debris) at the site. In such complex geotechnical situations jet grouting offers a valid alternative to traditional support systems.
The theme of RockEng22 is Canadian Strengths and Future Directions in Rock Mechanics.
Dr. Lemos is a research engineer in the Dams Department at Laboratorio Nacional de Engenharia Civil. He has been involved in the development and application of numerical models (finite element and distinct element) for analysis of various rock mechanics problems associated with dam foundations, mines and tunnels as well as for earthquake analysis of masonry structures.
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