A rising grade of 1.5 percent meets a falling grade of 4.0 percent at station 2+400 of elevation 15.0 m. Design the vertical curve connecting the two tangent grades to conform with the following safe stopping sight distance specifications. Design velocity = 40 mph • Height of an object over the pavement ahead = 0.11 m • Height of driver's eye from the road pavement = 1375 mm • Response-initiation time = 1.5 sec • Coefficient of friction between the road pavement and the tires = 0.10

Q: An SVC connects a -4% grade to a +4% grade. The curve goes under a pedestrian bridge at PVI. The…

A: Given:Vertical clearanceSight distanceHeight of drivers eyeHeight of objectTo find: Length of curve.

Q: A sag vertical curve is to be designed to join a -5% grade to a 2% grade. If the design speed is…

A: Given:- GradesN1=-5%N2=2%Speed, V=70 km/ha=3.414 m/s2Reaction time, t=2.5 secG=-5% for SSD=0.05 To…

Q: A 1400-ft-long sag vertical curve (equal tangent) has a PVC at station 115 + 00 and elevation 750…

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Q: A 500-ft curve, grades of g₁-3.50% and 92-1.75%, VPI at station 38+00, and elevation 560.00 ft,…

A: A sag valley curve is given with Grade, g1 =-3.50% and g2 = -1.75%  VPI = 38+00  Elevation = 560 ft…

Q: What is the elevation of the low point?

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Q: Given a vertical alignment connecting a -4% grade with a +2% grade with the PVC station at 34+64…

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Q: A vertical curve is required for a 1st class 3x3 highway section with entering and exiting grades of…

A: Given Data:Design speed Perception-reaction time Friction factor Entering grade: Exiting grade:…

Q: If a vertical curve's incoming grade (g₁) is -5%, the outgoing grade (g₂) is 5%, the station at the…

A: Given,  g1 = -5% g2 = 5% L = 3000 ft PVI = 25+00 PVI (El) = 450 ft

Q: ical curve is going to be designed to join a 0% grade with a +5% grade at a section of a highway.…

A: as g1<g2curve is sag curve…

Q: An equal-tangent vertical curve connects a +1.5% initial grade and a -3% final grade. The PVT is at…

A: Following are the given information.Initial grade, Final grade, Station of PVT Elevation of PVT…

Q: A crest vertical curve (equal tangent) has PVI at station 210+00 and elevation 420.75 ft. The…

A: SPVI = Stationing of PVI = 210+00EPVI = Elevation of PVI = 420.75 ftg1 = Initial grade = 2.5% =…

Q: A simple circular curve is specified with a 12° degree (arc basis) horizontal curve and e=0.08. A…

A: Degree of horizontal curve = 120 Super elevation (e) = 0.08 Radius of curve (R) = 500 ft Coefficient…

Q: What is the minimum required length of curve assuming a design speed of 40 mph?

A: Given Data: The grades of the curve are g1=-3.50% and g2=-1.50%. The design speed for the curve is…

Q: A +2% grade intersects with a -1% grade at station (535-24.25) at an elevation of 300 ft. If the…

A: Solution:-Given,Elevation=300ftDesign speed=60 mi/hg1=2%g2=-1%

Q: 3.16 A 1400-ft-long sag vertical curve (equal tangent) has a PVC at station 115 + 00 and elevation…

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Q: An equal tangent vertical curve connects a 1% and 3% initial and final grade. Design speed is…

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Q: A vertical curve is going to be designed to join a 0% grade with a +5% grade at a section of a…

A: G1 = 0% = 0 G2 = 5% = 0.05

Q: 1. An equal-tangent crest vertical curve is being designed connects grades of 1.3% and -2.4% in the…

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Q: 2. A vertical parbolic curve was design in order to have a clear sight distance of 120 m. The grade…

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