1. A proposed road bend along a highway construction project is to be laid out such that it will be a circular simple curve tangent to the three reference lines DA, AB, and BC. From the given data below, calculate for the following. a. radius of the simple curve b. stationing of PC if V is at 12+ 340 c. stationing of PT POINT Bearing DA S65°01′50″E Bearing CB = N54°24′10″E LATITUDE - 29.34 - 177.97 DEPARTURE - 128.76 - 58.39
1. A proposed road bend along a highway construction project is to be laid out such that it will be a circular simple curve tangent to the three reference lines DA, AB, and BC. From the given data below, calculate for the following. a. radius of the simple curve b. stationing of PC if V is at 12+ 340 c. stationing of PT POINT Bearing DA S65°01′50″E Bearing CB = N54°24′10″E LATITUDE - 29.34 - 177.97 DEPARTURE - 128.76 - 58.39
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1. A proposed road bend along a highway construction project is to be laid out such that it will be a
circular simple curve tangent to the three reference lines DA, AB, and BC. From the given data below,
calculate for the following.
a. radius of the simple curve
b. stationing of PC if V is at 12+ 340
c. stationing of PT
POINT
Bearing DA S65°01′50″E
Bearing CB = N54°24′10″E
LATITUDE
- 29.34
- 177.97
DEPARTURE
- 128.76
- 58.39
2. The tangent lines of a simple curve have azimuths 300° and bearing N 04° E, respectively. A third
tangent line AB intersects the two tangent lines at bearing S 34° E. Stationing of the PI of the curve is
16 + 464.35 and the distance from point B to the Pl of the curve is 277.6 m (ie BV = 277.6 m).
Determine the following:
a. Radius of the simple curve that shall be tangent to these three lines.
b.
Stationing of the PC
c.
Stationing of the PT
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Step 1: We have to determine radius of simple curve, stationing of PC and stationing of PT
VIEWStep 2: The diagram for latitude and departure
VIEWStep 3: The simple curve is shown below
VIEWStep 4: The calculation for station PC is given below
VIEWStep 5: The calculation for the station PT is given below
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