
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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An unsymmetrical parabolic curve has a forward tangent of -8% and a back tangent of +5%. The length of the curve on the left side (PC) is 60m. What is the elevation of PC if the vertex is at elevation of 100m. ANS. 97m
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- A COMPOUND CURVE is composed of three simple curves (CURVE1, CURVE2 & CURVE3).Compute the stationing of PT if the stationing of PC is 6 + 623.56.CURVE1 Radius = 1,157.40 metersCURVE1 Long Chord = 470.80 metersCURVE2 Radius = 550 metersCURVE2 Long Chord = 185.50 metersCURVE3 Radius = 467.87 metersCURVE3 Long Chord = 153.75 metersarrow_forwardThe azimuths of the back and forward tangent of a spiral curve are 220° and 290° respectively. If the length of the spiral is 80m and the degree of the circular curve is 4°, determine: a. The distance between the vertex and the middle of the curve. b. The short tangent at the SC point. c. The long tangent at the SC point. d. The station of CS if the station of TS is at (7+028).arrow_forwardThe offset distance of the simple curve from PT to the tangent line passing through the PC is equal to 120.20m. The stationing of PC is at 2 + 540.26. The simple curve has an angle of intersection of 50° a. Compute the degree of curve. b. Compute the external distance. c. Compute the length of long chord.arrow_forward
- The azimuth of the tangents of the simple curve is 490 degrees and 764 degrees respectively. The radius of the curve is 211.2 meters. Station A is lying on the curve having a deflection angle of 9 degrees from PT. Determine the length of chord from PC to PT in meters.arrow_forward1. The tangents of a simple curve have bearings of N 20° E and N 80° E, respectively. The radius of the curve is 205m. a. Compute the external distance of the curve. b. Compute the middle ordinate of the curve. c. Compute the stationing of point A on the curve having a deflection angle of 6° from the P.C. which is 1 + 200.00arrow_forwardA simple curve connects two tangents AB and BC with bearings N 85°30'00" E and S 68°30'00"E, respectively. If the stationing of B is 4+360.2, and the stationing of PC is 4+288.4, determine the following: a. Radius Answer: R= b. External Distance Answer: E= c. Middle Ordinate Answer: M= d. Chord Distance Answer: Lc= e. Length of Curve Answer: L= m m m m Earrow_forward
- the two-centered compound curve has centers at 01, 02 with central angle equal to. A1, A2. Given R1 = 220 m and R2 = 290 m and A1 = 152°13' , A2 =47°12' and Pl station 1+000 Draw a neat drawing for compound curve Find Ta and Tb and station value BC1, EC1, BC2, and EC2 by using Traverse method and repeat the same calculation by using vertex methodsarrow_forwardK6arrow_forwardSITUATION 10: Two parallel tangents 12 m apart are connected by a reverse curve having equal radii. The long chord connecting the P.C to P.T is 140 m. 28. Determine the radius of the reverse curve. c. 200.41 m d. 512.41 m a. 408.33 m b. 813.64 m 29. Find the length of the curve. a. 175.75 m b. 131.29 m c. 279.30 m d. 140.17 marrow_forward
- QUESTION 7 Determine the common tangent of a reversed curve given the following properties: 11 = 38.90° D₁ = 5.75° 12 = 37.95⁰ D2 = 3.81° NOTE: Solution is not required.arrow_forward1. Find the area of the regions shaded by the following curves: 2cose andr = r = 2sinearrow_forwardFor a simple curve, the stationing of the vertex is 11+361.2 while the stationing of the PC is 11+309. If the degree of curve is 6⁰, find the deflection angle of point 3 on curve.arrow_forward
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