Problem 1: Textbook Problem 5.7W The following data was obtained from a survey. Apply the license plate matching method to estimate the average travel time. Plate No. 361 197 818 262 968 388 194 231 212 856 714 732 174 89A ACJ 588 271 Observer A Time (mm:ss) 0:18 0:56 1:28 3:20 3:48 4:18 4:37 5:26 5:34 5:58 6:20 7:10 7:37 8:01 8:26 9:24 9:35 Plate No. 13Q 361 818 954 868 262 388 170 231 212 856 216 732 204 174 616 ACJ Observer B Time (mm:ss) 0:43 1:20 2:10 2:36 3:24 4:09 4:59 5:36 6:09 6:33 6:40 7:53 8:03 8:14 8:31 8:56 9:16

Problem 1: Textbook Problem 5.7W The following data was obtained from a survey. Apply the license plate matching method to estimate the average travel time. Plate No. 361 197 818 262 968 388 194 231 212 856 714 732 174 89A ACJ 588 271 Observer A Time (mm:ss) 0:18 0:56 1:28 3:20 3:48 4:18 4:37 5:26 5:34 5:58 6:20 7:10 7:37 8:01 8:26 9:24 9:35 Plate No. 13Q 361 818 954 868 262 388 170 231 212 856 216 732 204 174 616 ACJ Observer B Time (mm:ss) 0:43 1:20 2:10 2:36 3:24 4:09 4:59 5:36 6:09 6:33 6:40 7:53 8:03 8:14 8:31 8:56 9:16

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes. 69 58 62 | 61 58 54 67 69 57 63 60 60 58 54 57 60 71 65 57 63 69 69 59 54 60 67 58 46 53 59 62 54 58 68 66 59 57 64 58 52 61 65 61 53 58 57 65 47 64 54 68 59 59 62 57 66 67 58 64 60 59 59 63 56 62 64 59 57 61 61 58 57 64 70 65 55 63 45 65 57 73 61 67 62 48 62 57 60 71 53 58 60 65 61 67 62 76 71 49 58
The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes. 69 54 67 69 58 62| 57 61 63 58 60 60 58 54 57 60 71 65 57 63 69 69 59 54 60 67 58 46 53 59 62 54 58 68 66 59 57 64 58 52 61 65 61 53 58 57 65 47 64 54 68 59 59 62 57 66 67 58 64 60 59 59 63 56 62 64 59 57 61 61 58 57 64 70 65 55 63 45 65 57 73 61 67 62 48 62 57 60 71 53 58 60 65 61 67 62 76 71 49 58 Calculate the following traffic stream parameters 1) Time Mean Speed 2) Space Mean Speed (assume that all vehicles were traveling at a constant speed) 3) Hourly Flow Rate 4) Density 5) Sketch the speed-flow curve for these traffic conditions, assuming that the roadway capacity and free-flow speed have previously been determined to be 1800 veh/hr/ln and 62 mi/h, respectively. You can use Excel to plot the data, but should submit an original excel file to the blackboard.
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The following count was observed on a way, compute the following rate: Time 2:00-2:05 2:05-2:10 2:10-2:15 2:15-2:20 2:20-2:25 2:25-2:30 2:30-2:35 2:35-2:40 2:40-2:45 2:45-2:50 2:50-2:55 2:55-2:60 Volume (veh) 201 208 217 232 219 220 205 201 195 210 190 195 الم خلال ساعة 1.Hourly volume. peak rate of flow for 5 minute period. 3. peak rate of flow for 15 minute period. 4.(PHF) upon 5 minute period.
The pace factor of a random man was recorded to be 0.76 meters per step. If there is 2.7% margin of error with the use of his pace factor, what is the value of the probable error of the distance of a line measured using the man's pace factor if the recorded number of steps is 143.
Determine: 1. Arithmetic Mean Speed 2. Histogram 3. Frequency Distribution
Consider the following plot of cumulative arriving and departing vehicles at a freeway bottleneck location: Vehicles 20,000 15,000 10,000 5,000 0 0 30 60 90 120 150 180 210 240 270 300 330 360 Time (mins) Arrivals (vehs) Departures (vehs) From this plot, determine the following: A. What is the capacity of the bottleneck location? 9000 whole number, i.e. X000.) B. What is the maximum size of the queue that develops? 3250 whole number, i.e. X000.) C. What is the longest wait time that any vehicle experiences during the breakdown? to the nearest whole number, i.e. XX.) (Hint: Provide the answer as a numerical number only in units of vehicles per hour and rounded to the nearest thousand (Hint: Provide the answer as a numerical number only in units of vehicles and rounded to the nearest thousand (Hint: Provide the answer as a numerical number only in units of minutes and rounded
5. In the volume study of KAAF University street, the following data was collected. Because of a shortage in manpower, data was collected for 12 minute periods in each 30 minutes as shown in the table below. Time No. of vehicles 3:30 - 3:42 3:45 - 3:57 100 4:00 - 4:12 106 4:15 - 4:27 4:30 - 4:42 115 4:45 - 4:57 5:00 - 5:12 120 5:15 - 5:27 5:30 - 5:42 142 5:45 - 5:57 6:00 - 6:12 135 6:15 - 6:27 |6:30 - 6:42 120 6:45 - 6:57 7:00 - 7:12 105 (a) Complete the table of the data collection (b) Find the peak hour (c) Determine the peak hour volume (d) Calculate the peak hour factor (PHF)
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From the following data of a freeway surveillance, there are 7 vehicles counted for a length of 300 meters and the following positions are observed on the two photographs taken 2 seconds apart, the distance "S" that each vehicle travel is the difference in position 1 and 2. Compute the flow of traffic in vehicles per hour. Position 1 Position 2 S (m) Vehicle 1 268.3 292.70 24.4 2 215.4 234.20 18.8 3 175.0 199.70 24.7 4 143.20 170.10 26.9 5 95.20 118.10 22.9 6 63.40 86.50 23.1 23.60 42.50 18.9 7
The results of a speed study is given in the form of a frequency distribution table. Find the time mean speed and space mean speed. Speed range, kph Frequency 20-50 10 60-90 40 100-130 140-170 70 150-180 55 43