Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 16, Problem 3P
To determine
The two main disadvantages of using turf cover on unpaved shoulders.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
An area of planned construction is underlain by sandy soil where the angle of internal friction is 35°.(a) What is the maximum safe slope angle for this soil if there is no groundwater flow?(b) If it is assumed that groundwater flow could occur through the slope, approximately what slope angle should be considered as the allowable maximum?
A major collector has three 12 foot lanes including one shared-left turn lane and 1 thru lane in each direction. A maximum super elevation rate of 6.0% has been determined for a design speed of 45 mph.
What is the value of n?
What is the max relative gradient?
What is most nearly the runoff length?
Show the illustration/diagram. Show complete and detailed solution.
From station 0 + 040 whose center height is 1.2 m. fill, the ground line has a uniform sclope of 6.5% going to station 0 + 100 with a center height of 3.5m. Solve for the grade of the finished roadway.
Chapter 16 Solutions
Traffic and Highway Engineering
Knowledge Booster
Similar questions
- An earth canal(smoothest) is in good condition with side slope of 1 ½ horizontal to 1 vertical carries 600cfs at a velocity of 2.5ft/sec. if the bottom width is twice the depth, determine the grade of the channel.arrow_forwardA new road is to be constructed with formation width of 20 m, side slopes of 1 vertical to 2.5 horizontal The heights of fill at the center line of three successive cross sections, 50 m apart, are 3.3 m. 4.1 m, and 4.9 m, respectively. The existing ground has a crossfall of 1 in 10. Calculate the volume of the fillarrow_forwardA car is traveling at 30 mph in the country at night on a wet road through a 273 ft. long crest vertical curve. The entering grade is 4 percent and the exiting grade is -3 percent. A tree has fallen across the road at approximately the PVT. What is the available Rate of Vertical Curvature? show solvig steps pleasearrow_forward
- Draw cross-section of two-lane highway and label its various drainage related components.arrow_forwardThe road alignment for the construction of a highway passes through a mountainous area. There is therefore the need to cut through the mountain for safe design of the road. You have been contracted to embark on a slope stability analysis for safe and economical design of the slope. Outline the procedure you will go through to achieve this purpose. 2. Explain why most slope failures do occur during the raining season, especially after heavy rain.arrow_forwardCompute the minimum length in meters of guardrail required to shield a hazard located 8 m from the edge of a one-way facility. The guardrail is to be located 3.5 m beyond the pavement edge. The encroachment angle is 15°.arrow_forward
- If cross slope of a pavement is up to 10% the area is classified as Plain Steep Rolling Mountainous choise correctarrow_forwardHow does the presence of vegetation influence slope failure?arrow_forwardWhat are the corrective or preventative measures to reduce sliding and improving stability of slopes?arrow_forward
- 2. Bushes grow near a two-lane highway circular curve with R = 160 m (measuredfrom centreline of the highway). Minimum stopping sight distance is 150 m. Totalwidth of pavement is 7.0 m. How near from the edge of the pavement can you allowthe bushes to grow? (ans M=15.69m and Minimum SSD= 150m)arrow_forwardA proposed highway is to be designed with adequate shoulder and clearance in a level terrain with the following: AADT = 40,000 pcu/day D% = 70% K = 7% Solve for: the volume to capacity ratio of four-lane two-way highway with lane width of 4 meters.arrow_forwardA proposed highway is to be designed with adequate shoulder and clearance in a level terrain with the following: AADT = 25,000 pcu/day D% = 65% K = 9%. Estimate the number of lanes that will provide LOS C.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning