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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 16, Problem 4P
To determine
The three properties of rainfall that primarily concern highway engineers.
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Chapter 16 Solutions
MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
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- Develop the equation relating rainfall intensity-duration for the following 10-year frequency rainfall data using Talbot's formula. Duration (min) 10 20 40 60 120 180 Intensity (mm/h) 47 55 35 15 25 18 6. [CLO-2] (04)arrow_forwardPrecipitation over a large area is not uniform, due to a climatic change as a result of pollution and other external factors. This has made it impossible to have an accurate e measurement for rainfall intensity. Suggest a more suitable approach for the measurement precipitation to convince a civil engineer to adopt your approach for the measurement of flow deptharrow_forwardshows The figure below (Figure 1-15 in the book) Intensity-Duration-Frequency (IDF) curves for Houston, Texas. What is the rainfall intensity (in./hr) for the storm with a 2 hr duration and return period of 10 years? Rainfall intensity (in./hr) 20.0 15.0 10.0 8.0 6.0 4.0 2.0 1.0 0.8 0.6 0.4 0.2 0.1 0.08 0.06 0.04 0.02 5 Houston, Texas, 1910-1951 Note: Frequency analysis by method of extreme values, - after Gumbel (1958) Period return (yr) 100- 10 15 20 30 40 60 (min) 2 Duration 3 4 5 6 8 10 12 18 24. (hr)arrow_forward
- Question- a) Describe the various fates of rain when it reaches the ground and the changes that urban development can have on the balance of these processesarrow_forwardHow will you ensure an accurate measurement of rainfall is vital to investigate the spatial and temporal patterns of rainfall at various scale for rainfall-runoff modelingarrow_forwardCIVIL ENGINEERING (Drainage): Calculate the average exceedance probability for the 51-year/7-hour design storm:arrow_forward
- One UOW student monitored 12 mm of rainfall in one-hour duration, he noticed the initial loss of rainfall from a car park is 1 mm. How much runoff was generated from the 2km² campus in this storm, if the continuous loss is 1mm/hour? m³ V=arrow_forwardWhat is the probability of an equal to or greater than 25 years flood occurring twice in the next three years? (a) 24/625 (c) 72/15625 (b) 72/3125 (d) 24/15625arrow_forwardA catchment area is estimated to have a curve number of 80. Determine the fraction of the catchment area that yields runoff for a storm in which the total rainfall is 14 cm.arrow_forward
- : Determine the direct runoff resulting from the rainfall given in the following figure if 0-index is 4 mm/hr. 600 10 Intensity (mm/hri 20 15 5 15 Time hours 20arrow_forwardPlot the hyetograph of 20 min for this storm event over a specified watershed using the rainfall data given in the Table Q1. Indicate what is the storm duration and the total quantity of rainfall over this catchment area. 12:00 11:40 11:20 11:00 10:40 10:20 10:00 Time (hr) 107 107 82 57 32 16 0 Rainfall in successive intervals (mm)arrow_forwardWhat is the probability that 90-yr flood will occur at least once during 40 yr? 0.26 0.36 0.14 O 0.52 0.64 0.86arrow_forward
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