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Central Utah Regional Seismotectonic Study, U.S. Deparment Of The Interior, Bureau Of Reclamation
Central Utah Regional Seismotectonic Study, U.S. Deparment Of The Interior, Bureau Of Reclamation
Elusive Documents
This report presents the results of a Bureau of Reclamation seismotectonic
evaluation for dams in the Wasatch Mountains in north-central Utah. The
major objectives of this study were to identify potential earthquake sources
in the region and to estimate MCEs (maximum credible earthquakes) for these
sources. The conclusions presented in this report are based on geologic
mapping, trenching, study of aerial photography, mapping and correlation of
Quaternary deposits, soil profile descriptions and sampling, and analysis of
historic seismicity. The Regional Study area includes an area on the eastern
margin of the Basin and Range province that extends east from the …
Laboratory Tests On Gravelly Material For Use In The Pervious Zones Of Newton Dam, Newton Project, Utah, W.G. Holtz
Laboratory Tests On Gravelly Material For Use In The Pervious Zones Of Newton Dam, Newton Project, Utah, W.G. Holtz
Elusive Documents
A compaction test was performed on the soil (-1/2") material, and mechanical analysis, specific gravity, and percolation-consolidation test was made in a large (19&1/2" diameter) percolator, cylinder and the material was well compacted into the cylinder. A consolidating load equivalent to a 20-foot fill was applied. Because it was believed that some of the fine sand might be transported through the gravel and rock by the percolating water, a 14-mesh screen and a 2-inch later of clear fine gravel (3/16" - 3/8") was placed over the gravelly material being tested. After the percolation-consolidation test was completed, the screen and fine …