b) An open channel has the croOss-sectional shape as shown in Figure 2 below. The main and side channels are at a slope Se = 0.0004 and have n - 0.024. The side slopes are all 1:l. Calculate the maximum discharge which can be acoommodated in the main channel before flow spills onto the side channels. 3m Floodway Floodway -20 m- 5m- -25 m Figure 2- Question 2 (b)

b) An open channel has the croOss-sectional shape as shown in Figure 2 below. The main and side channels are at a slope Se = 0.0004 and have n - 0.024. The side slopes are all 1:l. Calculate the maximum discharge which can be acoommodated in the main channel before flow spills onto the side channels. 3m Floodway Floodway -20 m- 5m- -25 m Figure 2- Question 2 (b)

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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Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.

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2)
b) An open channel has the cross-sectional shape as shown in Figure 2 below. The main and
side channels are at a slope Se = 0.0004 and have n - 0.024. The side slopes are all 1:1.
Calculate the maximum discharge which can be accommodated in the main channel before
flow spills onto the side channels.
3m
Floodway
Floodway
-20 m-
5m
5m-
-25 m-
Figure 2- Question 2 (b)
e) During a high flow event, the water level rose to a depth of 3.0 m on the side channels.
Calculate :
i) The discharge for this flood event.
ii) The energy coefficient a for the flood flow.

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