4. Surveying Geotechnical Investigation

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Presentation #4

Surveying and 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

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Abney level and Clinometer

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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

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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.

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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