Calculate the minimum radius of horizontal curve if the minimum design speed is 80 kph, and the super elevation provided is 0.07, with skid resistance equal to 0.15.

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A: Given data: h1 =h2 =1.05m n1 = + 0.5 % n2 = - 1.2 %  N = n1 - n2 = 0.5 +1.2 = 1.7 % = 0.017 Sight…

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A: Radius (R) = 550 ft = 167.64 mMaximum supervision (emx) = 6% = 0.06Firction factor (f) = 0.17

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Q: You are designing a vertical sag curve joining a -3% grade to a + 2% grade. The design speed is 60…

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Q: What is the minimum stopping sight distance on a -3.5% grade for a design speed of 110 kmph ?…

A: Given:- slope grade=-3.5% design speed=110kph Coefficient of friction between tires and pavement =…

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: An equal-tangent crest vertical curve is designed for 45 mi/h. The high point is at elevation 380.10…

A: Solution  Given That G1=+1.90%G2=-3.10%

Q: A vertical curve starts at PVC at STA(200+00), ends at PVT at STA(216+00), with PVI at STA(208+00).…

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Q: The center-line of the inside lane of a roadway is on a horizontal curve with a 6o​​​​​​​54'29"…

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Q: Please explain the question.

A: Sag Vertical Curve

Q: Rv is 800 ft. SSD is 360 ft. Central angle of the curve is 50 degrees. Find side clearance distance…

A: Minimum radius, Rv=800 ft Sight stopping distance, SSD=360 ft Central angle of the curve, ∆=50°

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Q: 15. Calculate the minimum length (ft) of curve to sat the appearance criterion.

A: Given: G=0 (for SSD) Vertical sag curve with Design speedV=60 mph g1=-3%g2=+2%

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Q: 92 STA(96+00), STA(100+00), STA(104+00 elevation at 5280.00 ft above mean sea leve the curve.

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Q: Rv is 500 ft. SSD is 250 ft. Central angle of the curve is 50 degrees. Find side clearance distance…

A: Given,  Rv = 500 ft  SSD = 250 ft

Q: In this solution, may I know where they got the 0.01 slope?

A: Given data in question  Slopes = 2.5% and 1.5% Length= 1200 m Velocity = 90 km/h To find out  In the…

Q: Given a design speed of 80 kph, grades G₁ = +2%; G₂ = -2%, determine the required length of the…

A: Given : Design speed = 80 kmph.  , G1 = +2% , G2 = -2%. DETERMINE the length of curve    1. if…

Q: A vertical curve is needed to join to tangents; G₁=1% and G2=4%. Assuming a level grade (0%) for…

A: G1 = 1% and G2 = 4% Design speed = 60 m/hr  As per AASHTO,  Reaction time = 2.5 sec Deceleration…

Q: Compute the ruling minimum radius of horizontal curve for a design speed of 80 kph, f=0.18 and e =…

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Q: The radius of a horizontal curve is 110m. The design speed is 55kmph and the design coefficient of…

A: This problem is related to Horizontal curve from Highway Engineering . In this question , given…

Q: SIGHT DISTANCE 3. A -2.5% grade intersects a 4% grade at sta. 5 + 100 at elev. 50 meters. Compute…

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Q: The radius of a horizontal curve is 140 m. The design speed is 60 km/hr. Assume coefficient of…

A: Radius of the horizontal curve: R = 140mDesign speed: V = 60 kmph Coefficient of lateral friction:…

Q: What is the coefficient of side friction for a horizontal curve with a design speed of 70 mph?

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Q: Q3: What is the minimum radius of horizontal curve for a design speed of 90 kph ?

A: Solution  Given Data V=90 kph