Given the following information for a simple spiraled curve: o Da = 4°30'00" • Ls = 800 feet o T.S. Sta 35+00 Assuming the instrument is setup over the T.S. and the back-sight is set to 0°00'00" at the Pl. What deflection angle, to the nearest second, is required to set a point on the spiral at Station 40+95? O None of the above O 01°27'46" O 00°03'29" O 03°19'08" 08°06'05"
Given the following information for a simple spiraled curve: o Da = 4°30'00" • Ls = 800 feet o T.S. Sta 35+00 Assuming the instrument is setup over the T.S. and the back-sight is set to 0°00'00" at the Pl. What deflection angle, to the nearest second, is required to set a point on the spiral at Station 40+95? O None of the above O 01°27'46" O 00°03'29" O 03°19'08" 08°06'05"
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:### Spiral Curve Deflection Angle Calculation
#### Given Information:
For a simple spiraled curve:
- **D\(_a\)** = 4°30′00″
- **L\(_s\)** = 800 feet
- **T.S.** = Sta 35+00
#### Problem Statement:
Assuming the instrument is set up over the T.S. and the back-sight is set to 0°00′00″ at the P.I., what deflection angle, to the nearest second, is required to set a point on the spiral at Station 40+95?
#### Options:
- None of the above
- 01°27′46″
- 00°03′29″
- 03°19′08″
- 08°06′05″
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