Q2- The observed stream flow and rainfall data are tabulated below. The catchment area is 282.6 km2. Using the straight line method for base flow separation. Time from 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12pm start of rainfall (hr) Observed 150 150 350 800 1200 900 750 550 350 225 150 150 Hydrograph (m3/s) Time (hr) Observed Rainfall (cm/hr) 1am-2am 2am-3am 3am-4am 4am-5am 0.25 2.75 2.75 0.25 i. Estimate the volume of direct runoff. Determine the excess rainfall (Effective Rainfall). Determine Ø-index. Determine lag time. ii. iii. iv.

Q2- The observed stream flow and rainfall data are tabulated below. The catchment area is 282.6 km2. Using the straight line method for base flow separation. Time from 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12pm start of rainfall (hr) Observed 150 150 350 800 1200 900 750 550 350 225 150 150 Hydrograph (m3/s) Time (hr) Observed Rainfall (cm/hr) 1am-2am 2am-3am 3am-4am 4am-5am 0.25 2.75 2.75 0.25 i. Estimate the volume of direct runoff. Determine the excess rainfall (Effective Rainfall). Determine Ø-index. Determine lag time. ii. iii. iv.

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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