Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Concept explainers

Unit Hydrograph
Hydrology is the science which deals with the study of water on the earth’s surface. The word Hydrograph is derived from the word hydro which means water. Hydrograph is basically a graph in which the discharge is plotted against the time interval at a sp…
Question
The following is the hydrograph resulted from a rainfall intensity of 2 cm/hr for a duration of 2 hours. If the index for the catchment is 0.5 cm/hr, use this information to develop the 2h.UH The Hydrograph Time (hours) Q (m³/s) 0 10 1 40 2 28 3 22 4 16 5 10
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Transcribed Image Text:The following is the hydrograph resulted from a rainfall intensity of 2 cm/hr for a duration of 2 hours. If the index for the catchment is 0.5 cm/hr, use this information to develop the 2h.UH The Hydrograph Time (hours) Q (m³/s) 0 10 1 40 2 28 3 22 4 16 5 10
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Step 1: Introduce the problem statement
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Step 2: Determine the excess rainfall
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Step 3: Determine the runoff due to excess rainfall
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Step 4: Develop the 2-hour unit hydrograph
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