deep foundation

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deep foundation

A continuous foundation which provides a footing by filling a deep trench with concrete.
References in periodicals archive ?
Virginia Center for Transportation Innovation and Research, in their paper, Evaluation of Drilled Shafts with Self-Consolidating Concrete.
Specific topics include causes of house subsidence in an area adjacent to Illinois' sinkhole plain, applying the electrical resistivity method in steeply dipping karst terrane, instrumentation and preliminary results from probing the plumbing of Wakulla Spring, water level variation and predicting the Pingshan Sinkhole in Guizhou in southwestern China, the numerical analysis of embankments supported by geosynthetics over drilled shafts in karst terrains, and gypsiferous soils as an engineering problem.
Also methods used for quality control of the drilled shafts were discussed.
We] ensured that the existing timber piles would not be overstressed under static or seismic loads through flexible design of new drilled shafts and the use of isolation bearings.
The bridge superstructure will be constructed on full height, cast-in-place concrete abutments founded on 30 diameter drilled shafts.
Skyline also manufactures drilled shafts, caissons, specialty steel products and sign poles.
Areas covered include reliability-based design, LRFD concepts, in situ soil testing, geotechnical design of combined spread footing, design of drilled shafts, and stability analysis and design of slopes.
Monk's geotechnical expertise helped resolve several complicated engineering issues associated with the bridge pilings and drilled shafts.
Gray Mullins, Associate Professor, University of South Florida, Tampa, FL, discussed the issues related to grouted drilled shafts and quality control; Dennis Boehm, senior project manager, Hayward Baker Company, discussed the basics of micropiles and some recent applications.
Drilled shafts often make superlative bridge foundations.
Installation of drilled shafts, mast arms and signal equipment.
The substructure is composed of steel pipe piles in monolithic end-wall-type abutments and single-column flared piers founded on drilled shafts.