2300 ft equal tangent crest vertical curve is currently designed for 60 mph.this curve connects an initial grade of +3.5% and a negative grade, final grade what is the min k-value under 60 mph design speed use the min-k value

Q: An old equal-tangent crest vertical curve was designed with a PVI at station 117+45 and elevation of…

A: An equal tangent crest vertical curve is as below The point PVC is called as the initial tangent…

Q: 1.    Consider a vertical curve with a +3/2% initial grade and -1.1% final grade. The point of…

A:

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: An equal tangent vertical curve is to be constructed between grades of -6.75% (initial) and 4.75%…

A:

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

A:

Q: 3. What is AASHTO's recommended perception reaction time (s)?

A: Reference : AASHTO, American Association of State Highway and Transportation To determine : AASHTO…

Q: A sag vertical curve will connect a -1% grade to a 3% grade with a design speed of 50 mph. Using the…

A:

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

A:

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: nly answer question 6

A: Stopping Sight Distance is the minimum distance that must be available in front of driver so that he…

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: 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: You have designed a vertical crest curve which joins a +3% grade and a -4% grade. The design speed…

A:

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: 600-ft crest vertical curve is to be developed from a +1.80% grade intersecting with a -3.4% grade…

A: Given Initial grade = 1.8% Final grade = -3.4% Station PVI= 15+50= 1550ft Elevation of PVI= 315.76ft…

Q: 5. A vertical sag curve consists of an initial grade of -3.5% with a final grade of +0.5%. The…

A: Given:- An initial grade of the sag curve = -3.5% A final grade of the sag curve = +0.5% The…

Q: Determine the elevation of the middle point of the curve.

A:

Q: A 600 ft equal tangent vertical The initial grade is -3.5% and the final grade is +0.5%. Determine…

A: L=600ft

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: you have determined the curve to be 1100 ft long. Now, you need to when the BVC is located at…

A:

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

A: Given: g1=-3%g2=+2% Design speedV=60 mph.

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: Step by step solutionProblem 1. An existing equal-tangent sag vertical curve is designed for 60 mph.…

A: Step 1:Step 2: Step 3: Step 4:

Q: Determine the minimum lenght of a crest vertical curve if the grades are +4% and -2%. Design speed…

A: Question is based on the vertical crest curve . Grades of curve and design speed are given in the…

Q: Just do question 2

A: The "A" is the algebraic difference of the grades. As shown below.

Q: 4. What is AASHTO's recommended deceleration rate (ft/s)?

A: Following factors affect the stopping sight distance 1. Speed of vehicle  2. break reaction time. 3.…