Traffic And Highway Engineering
5th Edition
ISBN: 9781133605157
Author: Garber, Nicholas J., Hoel, Lester A.
Publisher: Cengage Learning,
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Chapter 15, Problem 5P
To determine
Using the minimum length based on SSD criteria find the minimum length of a crest vertical curve and assumptions used.
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Q1: Determine the duration of project for the activities shown below, and find the
critical path by using (A-0- Diagram)
ABC
DEFOHIJKMN
R
4 5 6 8 3 7 8 11 3
8 3 7 8 11 3 8 489 4
Activity
Duration
(Weeks)
Followed C,D
D,F
JJHOK MIK NMR-
by
E
1
I dont understand how to do the hand calculations help pls
A multi-cell box beam, 1800 mm long, is subject to a vertical shear load of 6 kN applied in a vertical plane. Points 1-8 mark the boom elements on the beam. Calculate the shear flow in each web and locate the shear centre using hand calculations. The results, including mesh convergence, shear flow, stress distribution, deformation, and shear centre location, will then be compared with findings from Abaqus FEA. The material properties are: Young's modulus (E) is 72 GPa, and Poisson's ratio (ν) is 0.3.
2. Vertical highway curve: Given PVI at 65 + 00, L = 800 ft, g1 = +4%, g2 = -3%, and PVI elevation =
264.2 ft, compute the elevations of the curve high point and for all of the full stations until
reaching the end of the curve as well as for the beginning and end of the curve.
Chapter 15 Solutions
Traffic And Highway Engineering
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- 1. Horizontal highway curve: Given Pl at 65 + 78.20, A = 22°00', and D = 6°00', compute the deflections to the nearest second for the full stations (means stations 65+00, 66+00, etc.) as well as for the beginning and end of the curve.arrow_forwardWater flows uniformly in a channel with a bottom slope of 0.002 and a compound cross-section: Section 1 has concrete sides and bottom. Section 2 is vegetated with light brush. Manning coefficients and dimensions (in meters) are shown below: Calculate: a. The composite Manning roughness coefficient for the channel b. The flow rate in cubic meters per second (cms) for the water levels shownarrow_forwardQ2: For the activities shown in the table below, it is required to reduce the total duration of the project four days by using crash program and network diagram, If you knew that indirect costs is 150 S/day and the delay fine is 100 S/day after the 14th day. Find new cost after crashing the project four days? Activity Preceding Normal Program Crash Program activity Duration (days) Direct Cost (S) Duration (days) Direct Cost (S) A 5 600 3 950 B 4 200 3 500 C A 5 300 4 500 D A 2 600 1 615 E B 6 900 5 1025 800 F C 4 700 3 450 400 G D 4 700 700 3 1400 H E 600 I F,G,H 5000 Σ (40 p (good luck)arrow_forward
- The Figure below shows a frame subjected to a uniform load 1kN/m.EI is constant.Compute horizontal displacement and rotation at C. (15Marks) A 3m 5-83m 4m 5m 1kN/m Barrow_forwardI need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forwardI need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forward
- I need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forwardI need solution by handarrow_forwardI need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forward
- I need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forwardI need detailed help solving this exercise from homework of Engineering Mathematics II.I do not really understand how to do, please do it step by step, not that long but clear. Thank you!P.S.: Please do not use AI, thanks!arrow_forwardQ1: By using the PERT technique, the durations of the activities were calculated as shown in the table below, Draw an activity network for project by using Activity On Node (AON) method and find: 1. The project's total duration and date of completion and CP (assume the project start date is the 1st of June 2025)? 2. The overall variance of the project? 3. The probability of completing the project in 30 days? 4. The probability of completing the project in 22th of June 2025? 5. With a probability of 75%, what is the expected duration and date for completing the project? Activity Preceding activity K Optimistic duration (day) 4 Most likely duration (day) Pessimistic duration (day) 5 12 L 5 M K 5 11 8 17 11 N K 3 4 11 0 L 2 3 10 P M,N 4 7 10 Q N 3 7 17 R N,O 6 9 18 S P,Q,R 1 3 5arrow_forward
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