Transcription of SOIL PARAMETERS - Virginia Tech
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SOIL PARAMETERS - Virginia Tech
R. L. MokwaCHAPTER 5107 CHAPTER 5 soil INTRODUCTIONThe focus of the laboratory testing program was to develop soil PARAMETERS thatwill be used to perform analyses of the full-scale lateral load tests. The laboratory testsincluded soil classification, unit weight, strength (UU, CU, and CD triaxial tests), were performed on soil samples obtained from the field test facility (naturalsoils) and on samples of imported materials that were used as backfill around the piles,pile caps, and bulkhead. Section describes the results of tests on the natural soils,which consist of clayey and silty sands. Test results for the two backfill soils, crusher rungravel and New castle sand, are described in Section NATURAL soil DescriptionTest results for samples obtained at different depths are described according to theproject benchmark, which was established at an arbitrary elevation of feet. Theactual elevation of the benchmark is unknown, but judging from the USGS RadfordNorth quadrangle map, it is approximately 1700 feet above mean sea level.
The gravel is produced to meet the requirements of VDOT Road and Bridge Specification Section 205, Crusher Run Aggregate. The material obtained for this project also meets the more stringent gradation requirements of VDOT Road and Bridge Specification Section 208, 21B-Subbase and Base Material.
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