The DFI is an international network of heavy construction professionals dedicated to quality and economy in foundation design and construction. For over thirty years, DFI has gathered professionals in the deep foundations sector of the construction industry, to create a place for discussion, inquiry and debate. In so doing, DFI has brought the disciplines together where they have learned from each other, creating a better informed, more communicative foundations industry.
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Solexperts AG
Geotechnical instrumentation, in situ testing; hydrogeological testing, characterization, measuring systems; data acquisition and monitoring systems; data visualization, data management systems; Hidcon, high deformable concrete elements for tunneling. Visit Solexperts AG

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Deep Excavation LLC
Deep Excavation LLC services include deep-excavation and geotechnical software; virtual reality modeling software; 3D presentations for underground projects; geotechnical engineering services; retaining structure design, soil nailing excavation design. Visit Deep Excavation LLC