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[[Category:Geotechnical Exploration]] | |||
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< | "A preliminary investigation consists of a field study and a review of available literature and maps relating to regional geology and physiography. The general physical feasibility of the site is assessed and specific questions to be answered during the design process posed. Field studies should include a thorough inspection of outcrops, cut banks, and other surface exposures and an examination of erosion conditions, landslides, seeps, springs, and other conditions on and adjacent to the project site."<ref name="NEH_CH2">[[National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS, 2012]]</ref> | ||
"The geologist and the designer should discuss geologic conditions that may influence the design, [[construction]], cost, and functioning of the proposed structure. If these conditions appear adverse, a more intensive investigation may be required to assess site feasibility."<ref name="NEH_CH2" /> | |||
= | "In areas where the [[soils]] and geologic conditions are well known, a detailed investigation may not be necessary for small, low-hazard structures. For such structures, the preliminary investigation needs to be sufficiently detailed to provide relevant information on site materials, conditions, and [[engineering]] characteristics for planning, design, and cost estimates."<ref name="NEH_CH2" /> | ||
See also: [[Geotechnical and Geology]] > [[Geologic History]] | |||
== | ==<noautolinks>Best Practices Resources</noautolinks>== | ||
{{Document Icon}} [[National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS]] | |||
{{Document Icon}} [[National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations | National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS]] | |||
{{Document Icon}} [[Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802) | Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802), USACE]] | |||
{{Document Icon}} [[Design of Small Dams | Design of Small Dams, USBR]] | |||
==[[ | ==<noautolinks>Trainings</noautolinks>== | ||
{{Video Icon}} [[On-Demand Webinar: Field Investigations for New and Existing Dams]] | |||
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Latest revision as of 22:21, 28 July 2023
"A preliminary investigation consists of a field study and a review of available literature and maps relating to regional geology and physiography. The general physical feasibility of the site is assessed and specific questions to be answered during the design process posed. Field studies should include a thorough inspection of outcrops, cut banks, and other surface exposures and an examination of erosion conditions, landslides, seeps, springs, and other conditions on and adjacent to the project site."[1]
"The geologist and the designer should discuss geologic conditions that may influence the design, construction, cost, and functioning of the proposed structure. If these conditions appear adverse, a more intensive investigation may be required to assess site feasibility."[1]
"In areas where the soils and geologic conditions are well known, a detailed investigation may not be necessary for small, low-hazard structures. For such structures, the preliminary investigation needs to be sufficiently detailed to provide relevant information on site materials, conditions, and engineering characteristics for planning, design, and cost estimates."[1]
See also: Geotechnical and Geology > Geologic History
Best Practices Resources
National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS
National Engineering Handbook: Chapter 2 - Engineering Geologic Investigations, NRCS
Geophysical Exploration for Engineering and Environmental Investigations (EM 1110-1-1802), USACE
Trainings
On-Demand Webinar: Field Investigations for New and Existing Dams
Citations:
Revision ID: 7481
Revision Date: 07/28/2023