An infiltration capacity curve prepared for a catchment indicated an initial infiltration capacity of 2.5 cm/hr and attains a constant value of 0.5 cm/hr in 10hrs of rainfall with a Horton's constant k=6/day. Determine the following: 1. Draw  the infiltration curve and provide labels 2. Calculate the infiltration rate at 3.5hrs. 3. Calculate the infiltration loss at t1=3.5 hrs t2=5.0hrs.

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.6P
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An infiltration capacity curve prepared for a catchment indicated an initial infiltration capacity of 2.5 cm/hr and attains a constant value of 0.5 cm/hr in 10hrs of rainfall with a Horton's constant k=6/day. Determine the following:

1. Draw  the infiltration curve and provide labels

2. Calculate the infiltration rate at 3.5hrs.

3. Calculate the infiltration loss at t1=3.5 hrs t2=5.0hrs.

4. Draw the infiltration curve and shade the area bounded by the infiltration loss. Refer from the previous question

5. Calculate the infiltration loss at t1=3.5hrs t2=5.0hrs (exponential function) and t1=4.5hrs t2=7.30hrs (linear function)

6. Draw the infiltration curve and shade the area bounded by the infiltration loss. Refer from the previous question

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