25. The tangents of a spiral curve intersect at an angle of 25 at 5ta A4072. The radius of the central curve is 900m and the length of the spiral curve is $2.71 m... Determine the stationing of the point where the sparstarts.a. 3+911.36b. 3+962.28€ 3+937.04d. 3+979.0526. The tangents of a spiral curve intersect at an angle of 25 at Sta. 44072. The radius of the central curve is 300m and the length of the spiral curve is 52.71 m... Determine the total length of the curve.a. 174.92 mb.c.d.183.61 m197.16 m190.88 m

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25. The tangents of a spiral curve intersect at an angle of 25 at 5ta A4072. The radios of the carr m and the length of the spiral curve is 52.71 m... Determine the stationing of the point where the spar starts. a. 3+911.36 b. 3+962.28 C. 3+937.04 d. 3+979.05 26. The tangents of a spiral curve intersect at an angle of 25 at Sta. 440572. The radius of the central curve is 300 m and the length of the spiral curve is 52.71 m... Determine the total length of the curve. a. 174.92 m b. 183.61 m C. 197.16 m d. 190.88 m

25. The tangents of a spiral curve intersect at an angle of 25 at 5ta A4072. The radios of the carr m and the length of the spiral curve is 52.71 m... Determine the stationing of the point where the spar starts. a. 3+911.36 b. 3+962.28 C. 3+937.04 d. 3+979.05 26. The tangents of a spiral curve intersect at an angle of 25 at Sta. 440572. The radius of the central curve is 300 m and the length of the spiral curve is 52.71 m... Determine the total length of the curve. a. 174.92 m b. 183.61 m C. 197.16 m d. 190.88 m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The tangents of a simple curve have bearings of N 65°12' E and S39 56' E, respectively.|| is the central angle.
P1
A simple curve connects two tangents AB and BC with bearings N 36°12' E and N 58°53' E respectively. The PC is a A which is at Sta. 5+234.65 and the B is at Sta. 5+265.09. * Find the radius of the curve. a. 169. 09 m c. 201.12 m b. 137.85 m d. 151.76 m * Using chord basis, compute the degree of the curve. c. 6.78° a. 5.70° b. 7.56° d. 8.31° * Find the external distance. c. 3.36 m a. 2.75 m b. 3.02 m d. 4.01 m * Find the middle ordinate. c. 2.69 m a. 2.96 m b. 3.93 m d. 3.30
1. From a known point V (vertex), the tangent lines of a compound curve are drawn - having azimuths 300 (forward tangent) and bearing N 04 E (back tangent), respectively. A common tangent line CD intersects the two tangent lines at bearing S 34° E. Stationing of the vertex of the compound curve is 16+ 464.35 and the distance from point D to the vertex of the compound curve is 137.6 m. If the external distance of the curve passing through the PC is 1.42 times the external distance of the simple curve that passes through the PT, solve for the following. a. Radius of the curve that passes through the PC b. Radius of the curve that passes through the PT c. Stationing of the PT
4. A parallel reversed curve has an equal radius of 360m and a central angle of 8º. a. Compute the distance between parallel tangents b. Compute the length of the Chord from PC to PT If Sta PC = 3 +960.40, what is Sta PT? C.
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SITUATION 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 m
Answer letter c.
The long chord of a compound is equal to 250 m. The PC this curve is at STA 10+000 and P.C.C. is at 10+139.393. The angle that the chord connecting the P.C. and P.C.C. makes with the tangent passing through P.C. is equal to 4⁰. Assuming that the common tangent is parallel to the long chord. A. Compute R1 ans. 998.329m B. Compute R2 ans. 639.516m C. Determine the station of P.I. of the compound curve. ans 10+140.484
The common tangent AB of the compound curve is 76 42m, with an azimuth of 268030¹. The vertex V being inaccessible. The azimuth of the tangent AV and VB was measured to be 247050' and 282050 respectively. The stationing at A 10+010.46 and the degree of the first curve is 40 based on 20m chord basis What is the raduis of the second curve? a. 104.56 mb. 200.15 mc. 188.45 m d. 192.22