Precipitation of 20cm was observed due to 24hr storm over a catchment area of 2 km. The initial infiltation capacity of the infiltration capacity curve was 0.5 cm/hr. After 15hrs, the infiltraion capacity attained a constant value of 0.1 cm/hr. Horton's constant k = 5hr'. The readings of the pan installed in the catchment showed a decrease of 0.5cm in the water level during 24hrs of its operation. Determine the runoff from the catchment Assume a pan coefficient of 0.7. All other losses were negligible.

Structural Analysis
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Chapter2: Loads On Structures
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Q.2 Precipi tation of 20cm was observed due to 24hr storm over a catchment area of 2 km. The
initial infiltration capacity of the infiltration capacity curve was 0.5 cm/hr. After 15hrs, the
infiltration capacity attained a constant value of 0.1 cm/hr. Horton's constant k = 5hr"'. The
readings of the pan installed in the catchment showed a decrease of 0.5cm in the water
level during 24hrs of its operation. Determine the runoff from the catchment Assume a pan
coefficient of 0.7. All other losses were negligible.
Transcribed Image Text:Q.2 Precipi tation of 20cm was observed due to 24hr storm over a catchment area of 2 km. The initial infiltration capacity of the infiltration capacity curve was 0.5 cm/hr. After 15hrs, the infiltration capacity attained a constant value of 0.1 cm/hr. Horton's constant k = 5hr"'. The readings of the pan installed in the catchment showed a decrease of 0.5cm in the water level during 24hrs of its operation. Determine the runoff from the catchment Assume a pan coefficient of 0.7. All other losses were negligible.
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