Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Traverse Survey
Traverse surveying is a popular method of surveying. Traversing is that type of survey where several connected survey lines form a framework and the directions and lengths of the survey lines are measured with the help of a tool to measure angles and tap…
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1. A portion of a proposed highway extension project in the form of a compound circular curve is to be laid out in such a way that it will be tangent to three reference lines AB, BC and CD. The length of the circular curve which starts at the PC is twice the length of the curve passing through the PT. Stationing of B is 9 + 980. Given the following data: POINT ABCD C D NORTHING 130.35 175.78 106.14 12.53 EASTING 40.50 260.86 437.64 472.82 a. Determine the value of I for the compound curve. b. Calculate for the radius of the simple curve that starts at the PC. c. Calculate for the radius of the simple curve that ends at the PT. d. What will be the stationing of the PT of the compound curve? 2. It is desired to add a third simple curve in the compound curve (in problem 1), forming a reverse curve with parallel tangents and unequal radii. The curve will begin at the PT of the compound curve. If the perpendicular distance between the parallel tangents is 136.5 m, solve for the following: a. Radius of the 3rd simple curve. b. Stationing of the PT (for the reversed curve).
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Transcribed Image Text:1. A portion of a proposed highway extension project in the form of a compound circular curve is to be laid out in such a way that it will be tangent to three reference lines AB, BC and CD. The length of the circular curve which starts at the PC is twice the length of the curve passing through the PT. Stationing of B is 9 + 980. Given the following data: POINT ABCD C D NORTHING 130.35 175.78 106.14 12.53 EASTING 40.50 260.86 437.64 472.82 a. Determine the value of I for the compound curve. b. Calculate for the radius of the simple curve that starts at the PC. c. Calculate for the radius of the simple curve that ends at the PT. d. What will be the stationing of the PT of the compound curve? 2. It is desired to add a third simple curve in the compound curve (in problem 1), forming a reverse curve with parallel tangents and unequal radii. The curve will begin at the PT of the compound curve. If the perpendicular distance between the parallel tangents is 136.5 m, solve for the following: a. Radius of the 3rd simple curve. b. Stationing of the PT (for the reversed curve).
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