Evaluation of cone penetration testing (CPT) for use with transportation projects : executive summary report.
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2011-04-01
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Edition:Executive summary report.
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Soils and Geology;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:The ODOT Office of Geotechnical
Engineering (OGE) currently uses
conventional drilling methods (e.g., hollow
stem auger, solid stem auger) to perform
subsurface investigations in soil. These
techniques have been used for decades and
have the advantage of a long track record of
experience and success within the state.
These methods are, however, timeconsuming
and expensive to perform, do not
provide continuous data with depth, and are
not well suited to some types of geologic and
environmental conditions. Over the last 20
years, cone penetration testing (CPT) has
been gaining acceptance in the U.S. and is
now often used as an alternative or
complementary procedure to conventional
drilling in the performance of subsurface
investigations. ODOT funded this project to
investigate how CPT technology might be
utilized to improve the quality and efficiency
of ODOT’s subsurface investigation
program.
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