S10Oct28a

S10Oct28a - Traverse Closed traverse Closed traverse can be...

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CIVL1009 Survey (2010-2011 Semester 1) Chapter 5 (Misc) Numerical Example 1 Chapter 5 Traverse Miscellaneous – Numerical Example CIVL1009 Survey (2010-2011 Semester 1) Chapter 5 (Misc) Numerical Example 2 Traverse Closed traverse • Closed traverse can be one that begins and ends at the same point (a loop) • For a loop traverse, the loop distances and angles can be obtained by proceeding consecutively around the loop in a clockwise or anticlockwise manner Control Station Traverse Station CIVL1009 Survey (2010-2011 Semester 1) Chapter 5 (Misc) Numerical Example 3 Traverse Procedure • Step 1: Balance the angles • Step 2: Calculate the directions • Step 3: Calculate the latitude and departure • Step 4: Calculate the linear error of closure and precision • Step 5: Adjust the latitude and departure • Step 6: Calculate the coordinates CIVL1009 Survey (2010-2011 Semester 1) Chapter 5 (Misc) Numerical Example 4 Traverse Numerical example • Given coordinates of control stations O and P O (177.8 mN, 354.0 mE), P (240.4 mN, 360.0 mE) Measured angle, θ POA = 48 o 51’5” • Measured angles and distances of traverse stations O A B C D P 65.175
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S10Oct28a - Traverse Closed traverse Closed traverse can be...

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