1 Introduction and Error Analysis

1 Introduction and Error Analysis - CE 111 Surveying Error...

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CE 111 Surveying Error Analysis
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Definition of “SURVEY” A term that has several multiple and possible ambiguous meanings. A noun (product) Survey plat…my survey A verb To conduct a survey… A process of researching and collecting evidence to define boundaries An adjective Survey map…survey control point
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Geodetic vs. Plane Geodetic Surveys measurements reflect the curved (ellipsoidal) shape of the earth Used for surveys of large geographic areas. Used for higher accuracy Plane surveys measurements reflect a horizontal surface Used for surveys of small geographic areas. (less than 300 sq. miles)
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Surveyor’s Work – 5 Main Areas Data acquisition (field work) Data processing (computing) Data representation (mapping) Stake out
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Measurements Distances Horizontal Vertical Slope Angles Horizontal Vertical Coordinates Northing (Y) Easting (X) Elevation (Z) Stationing X Y Z a c b
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1 Introduction and Error Analysis - CE 111 Surveying Error...

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