1 resultado para 114-704

em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States


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As noted in Part 1 of this report, the objective of the investigation was to apply principles of first-arrival seismic refraction to the problem of more quickly determining in-place dry density in highway materials. Part 2 of the report, contained herein, presents the results of both additional laboratory development of test techniques, plus extensive field test data.