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MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
5th Edition
ISBN: 9781305581159
Author: Nicholas J. Garber; Lester A. Hoel
Publisher: Cengage Learning US
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Chapter 14, Problem 17P
The following table shows the stations and ordinates for a mass diagram. The free-haul distance is 600 ft. Overhaul cost is $12 per station yard.
(a) Use the method of moments to compute the additional cost that must be paid to the contractor.
(b) Sketch the ground profile if the finished grade of this roadway section is level (0 percent).
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A-1.10% grade meets a +0.60% grade at station 36+00 and elevation 800.00 ft. The
+0.60 grade then joins a +2.40 grade at station 39+00.
Part A
Determine the elevation at the low point of the curve.
Express your answer in feet to six significant figures.
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Part B
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Determine the station at the low point of the curve.
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O 38+42.763
O 35+40.763
O 36+42.763
O 36+44.763
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Determine the cross sectional area for a 10m wide roadway at Sta 12+198 using the given cross section notes:
Round your answer to 3 decimal places.
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.
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- Determine the cross sectional area for a 9m wide roadway at Sta 12+198 using the given cross section notes in the image:arrow_forwardHomework Q1: A driver of a vehicle traveling at 90 kph up-grade requires 96m to sto after he applied the brakes, less than another driver traveling at the same speed down the ame grade, if the coefficient of longitudinal friction is 0.3. What is the percent grade of thatsection and what is the total stopping sight distance on the down grade? Q2: In the figure shown below, its required to calculate the minimum distane (D) for placing the right turn sign to enable a driver on the major road (A) to turn his vehicl into minor road (B)?arrow_forwardO 1::0Y O Home Work No 2.. Home Work No. 2 A vehicle initially traveling at (75 mile/hr.), skids to a stop taking (170) m to do so. the coefficient of skidding resistance (0.36). What should the grade be for this roadway. (Use t = 2.5 sec.). II >arrow_forward
- c) Table 2 presents the geometric and traffic characteristics of three road sections. As a Highway Engineer will you recommend the provision of climbing lane for each section? and why? Table 2: Geometric and Traffic Characteristics Road Gradient Grade Section (%) Design speed (km/h) Section A 100 Section B 80 Section C 60 5 6 7 Heavy Length (m) Truck (% 550 600 450 of AADT) 10 25 20.5arrow_forwardAnswer the given problem ASAParrow_forwardQ1- Find the required area of cut/fill (m2) and Calculate the net volumes(m3) hetween each two stations. The road width is 13 and the total road length is 330m filling shrinkage ratio 15% The road elevation at the C.L of station(0+00)is 10.00m.with 4% uphill gradient RL = Road level, GL = Ground level %3D !! Station 0+00 Station 1+00 (10.00 m) RL 2% 2% RL 4:1 6:1 0.9m 1.1m GL GLarrow_forward
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