Abstract
An accurate assessment of the suitability of foundation types, their reliability as foundation members, and the bearing quality of the supporting materials in areas of karst terrain is generally difficult and ususally requires expensive exploration and testing programs. Rock penetration rates, obtained from percussive type probes, when used in conjunction with correlative rock quality data obtained from test borings and test pits may be used to develop foundation design parameters. These parameters can effectively serve as an economical tool in predicting feasible foundation types and probable bearing levels in areas underlain by cavernous limestones and possibly other solution-prone rocks. This paper discusses the development of a “Foundation Quality Index” based on percussion drilling rates useful in the selection of foundations in cavernous limestone sites.
Published Version
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