4. Surveying Geotechnical Investigation
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Transcript of 4. Surveying Geotechnical Investigation
7/23/2019 4. Surveying Geotechnical Investigation
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Presentation #4
Surveying and Geotechnical Investigation
7/23/2019 4. Surveying Geotechnical Investigation
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Survey Equipment
• Several options are available – Clinometer, compass and tape (preferred)
– Abney Level, compass and tape
– Barometric Leveling
– Total Station
– GS
7/23/2019 4. Surveying Geotechnical Investigation
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Abney level and Clinometer
7/23/2019 4. Surveying Geotechnical Investigation
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Using aClinometeror Abneyevel
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Stream Pro!le Survey
• lan view
300’ Downstream
100’ Downstream
25’ Downstream
Bridge Cross Section
25’ Upstream
100’ Upstream
500’ Upstream
1000’ Upstream
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Surveyor Using Clinometer
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Cross Section Survey
• !nsert page "#
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S$rveying %or&s'eet
7/23/2019 4. Surveying Geotechnical Investigation
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Surveying E"ercise
• . S$rvey a profile of t'e terrain o$tside t'e b$ilding
• ". S$rvey cross sections wit' members of t'e Team
ta&ing t$rns $sing t'e instr$ment and 'olding t'e
rod.
7/23/2019 4. Surveying Geotechnical Investigation
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Geotechnical Investigation
• *cavate a 'ole "m deep at t'e appro*imate
location of t'e anc'or
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Soil Classi!cation
• +ar Test
• t'er -ield tests