PRIN.OF HIGHWAY ENGINEERING&TRAFFIC ANA.
7th Edition
ISBN: 9781119610526
Author: Mannering
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 3, Problem 49P
To determine
The radius of the curve, degree of curvature and the length of the curve to design a horizontal curve.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
An equal-tangent vertical curve
connects a +3.2 % and a -1.1 %
grade. The PVI is at station
100+20 and elevation 950 ft
and the PVT is at station
105+20. Answer the following
5 questions Question 3 to
Question 7.
The station of the PVC is at:
sta 93+20
sta 95+20
sta 97+20
sta 99+20
sta 105+20
A simple and horizontal curve road has a degree of curve of 3°. Determine the design speed on this curve in mph
if the superelevation is 0.06 and the coefficient of friction is 0.12.
Correct!
58.04
O 93.44
O 59.21
O 95.37
An existing vertical curve on a highway joins a +3.0% grade with a -3.0% grade. If the length of the curve is 250 ft, what is the maximum safe speed on this curve? What speed should be posted if 5 mph increments are used?
Assume a = 11.2 ft/sec2, perception-reaction time t = 2.5 sec, and that S>L. Use g = 32.2 ft/sec2
Chapter 3 Solutions
PRIN.OF HIGHWAY ENGINEERING&TRAFFIC ANA.
Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Prob. 9PCh. 3 - Prob. 10P
Ch. 3 - Prob. 11PCh. 3 - Prob. 12PCh. 3 - Prob. 13PCh. 3 - Prob. 14PCh. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - Prob. 17PCh. 3 - Prob. 18PCh. 3 - Prob. 19PCh. 3 - Prob. 20PCh. 3 - Prob. 21PCh. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Prob. 25PCh. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Prob. 29PCh. 3 - Prob. 30PCh. 3 - Prob. 31PCh. 3 - Prob. 32PCh. 3 - Prob. 33PCh. 3 - Prob. 34PCh. 3 - Prob. 35PCh. 3 - Prob. 36PCh. 3 - Prob. 37PCh. 3 - Prob. 38PCh. 3 - Prob. 39PCh. 3 - Prob. 40PCh. 3 - Prob. 41PCh. 3 - Prob. 42PCh. 3 - Prob. 43PCh. 3 - Prob. 44PCh. 3 - Prob. 45PCh. 3 - Prob. 46PCh. 3 - Prob. 47PCh. 3 - Prob. 48PCh. 3 - Prob. 49PCh. 3 - Prob. 50PCh. 3 - Prob. 51PCh. 3 - Prob. 52PCh. 3 - Prob. 53PCh. 3 - Prob. 54PCh. 3 - Prob. 55PCh. 3 - Prob. 56PCh. 3 - Prob. 57PCh. 3 - Prob. 58PCh. 3 - Prob. 59PCh. 3 - Prob. 60PCh. 3 - Prob. 61PCh. 3 - Prob. 62PCh. 3 - Prob. 63PCh. 3 - Prob. 64PCh. 3 - Prob. 65PCh. 3 - Prob. 66PCh. 3 - Prob. 67P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- Problem 2. A horizontal curve is being designed for a two-lane highway (12-ft lanes). The PC is at station 1200 + 50, the design speed is 70 mph, and a design superelevation of 0.08 ft/ft is to be used. Central angle of the curve is 40 degrees. (1) What is the min radius (measured to the centerline of the inside-most lane)? (2) Use the min value in your design, determine the station of PT. A = 40' e = 0.08 V = 70 mph PC = 1200150 1 +3 3131(6(vtoner) =951.88 -Simple Circular curves - reverse curtes- compound curves - spr e bus of Sogements Options curves fs=0.08 9=32.174H/S²arrow_forwardAn equal-tangent vertical curve connects a -2.1% and a +3.6% grade. The low point of the curve is at elevation 278.9 ft. If the PVI is at elevation 275 ft, what is the design speed of the curve? Provide your answer in units of mi/h with step 5 mi/h (e.g., 15, 20, etc.). Design conservatively.arrow_forwardA building is located 40 m from the centerline of the inside lane as shown. The SSD (Stopping Sight Distance) is 600 m with the length of the curve at 550 m. Determine the following: a.) The minimum radius of the curve b.) The radius of the curve L = 550 m SSD = 600 m 40 m R. Rmin Rminarrow_forward
- A section of a two-lane, two-way highway (2 @ 3.5 m) is to be designed with a circular curve. Sta. Pl at 200 + 100.000 Design speed = 60 kph Intersection angle = 40 degrees Rate of change of acceleration: 0.5 m/sec2arrow_forwardCalculate the radius of the curve given that the superelevation is 0.049, coefficient of friction equal to 0.15, design speed under flat topography, national primary road. O 250 O 260 O 250.1 O 245arrow_forwardIncorrect Question 14 A simple circular curve is specified vwith a 12° degree (arc basis) horizontal curve and e=0.08. A structure is proposed on land on the inside of the curve. Assume the road is on level grade. Determine the minimum distance allowable between the proposed structure and the centerline of the curve such that the current maximum safe speed of the curve would not be reduced. (assume radius = 5001 Use coefficient of side friction = 0.13 86arrow_forward
- The design speed for a two-lane highway (lane width=12 ft.) is 60 mph. The localjurisdiction governs 8% superelevation. The central angel of the curve is 40 degrees. The PI station is at 452+50.What is the curve radius to the travel path (R)? What is the curve radius (R)? What is the curve length (L)? What isthe station of PC? What is the station of PT? What is the SSD? How many feet must be cleared from the lane'sshoulder edge to provide adequate stopping sight distance?arrow_forwardA horizontal curve through level terrain is being designed for a six-lane road with lanes that are 3.4 m wide. The central angle (Δ) is 40 degrees, the tangent distance is 155 m, and the stationing of the tangent intersection (PI) is 7 + 270.000. Under specified conditions and vehicle speed, the roadway surface is determined to have a coefficient of side friction of 0.08, and the curve’s superelevation is 7.0%. What is the stationing of the PC and PT? What is the safe vehicle speed?arrow_forwardQ: A horizontal curve is being designed through mountainous terrain for a four- ane with lanes that are 3 m wide. The central angle is known to be 40 degrees, the tangent distance is 155m, and the stationing of the tangent intersection (PI) 'is 8 + 23. Under specified conditions and vehicle speed, the roadway surface is determined to have a coefficient of side friction of 0.08, and the curve's superelevation is 0.09. what is the stationing of the PC and PT and what is the safe vehicle speed?arrow_forward
- 227.8 m O bläi 5 A horizontal curve is to be designed for a section of an expressway having a design speed of 100 km/h. Determine:1. The radius of the curve if the superelevation is 5% and side friction is 0.12;2. The minimum superelevation if the speed is 120 km/h, using the same radius that you calculated before, use .side friction = 0.1 653.4 m, e = 7% O 463.2 m, e = 7% 653.4 m, e = 14% 463.2 m, e = 14% إرسال رجوع عدم إرسال كلمات المرور عبر نماذج Go ogle مطلقا. ESY.Mustansiriyah University Jils cli! p عن إساءة الاستخدامarrow_forwardCreate a circular curve using this data with a section of a two lane, two highway (2 @ 3.5 m) is to be designed with a circular curve.Sta. PI at 200 + 100.000Design speed = 60 kphIntersection angle = 40 degreesRate of change of acceleration: 0.5 m/sec3arrow_forwardThe degree of curve of a simple curve is 4^0. Compute the desired super-elevation required if the design speed of a car passing through the curve is 75kph and the skid resistance is equal to 0.12.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill Education
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning