The length of the spiral curve is 82m and the radius of the central curve of the spiral curve is 260 m. Compute the length of throw. a. 1.12 b. 1.08 C. d. 1.21 1.32 A spiral 80m long connects a tangent with 6.5° circular curve. Determine the spiral angle at the first quarter point. a. 0.27⁰ 0.54⁰ b. 0.81⁰ 0.91⁰ C. d

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The length of the spiral curve is 82m and the radius of the central curve of the spiral curve is 260 m. Compute the
length of throw.
a. 1.12
b. 1.08
C.
d.
A spiral 80m long connects a tangent with 6.5° circular curve. Determine the spiral angle at the first quarter point.
0.27⁰
a.
0.54⁰
b. 0.81⁰
0.91⁰
Given: 1 = 44°, R = 400 ft. Compute for the deflection angle per foot.
a. 0.0716
b.
0.0671
C.
d
The common tangent AB of a compound curve is 82.32 m. The angles the common tangent make with the tangents
through PC and PT of the compound curve are 21° 10' and 15°20', respectively. If the degree of the first curve is 30
30, what is the degree of the second curve?
a. 5.34⁰
b. 6.32⁰
1.21
1.32
C.
d.
C.
d
7.29⁰
8.21⁰
0.0617
0.0761
Transcribed Image Text:The length of the spiral curve is 82m and the radius of the central curve of the spiral curve is 260 m. Compute the length of throw. a. 1.12 b. 1.08 C. d. A spiral 80m long connects a tangent with 6.5° circular curve. Determine the spiral angle at the first quarter point. 0.27⁰ a. 0.54⁰ b. 0.81⁰ 0.91⁰ Given: 1 = 44°, R = 400 ft. Compute for the deflection angle per foot. a. 0.0716 b. 0.0671 C. d The common tangent AB of a compound curve is 82.32 m. The angles the common tangent make with the tangents through PC and PT of the compound curve are 21° 10' and 15°20', respectively. If the degree of the first curve is 30 30, what is the degree of the second curve? a. 5.34⁰ b. 6.32⁰ 1.21 1.32 C. d. C. d 7.29⁰ 8.21⁰ 0.0617 0.0761
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