Q1. (a) An open channel is a flow system in which the water surface is exposed to the atmosphere. Open channels | can be divided into two types, namely natural and man-made channels. Provide TWO (2) examples for each type of the open channels. (b) A rectangular concrete-lined monsoon drain was constructed with a longitudinal slope of 0.1% and a conveyance factor, KK of 600 m³/s. (i) Calculate the water depth of the existing rectangular channel if the width is 3.5 m. Take the Manning's nn value as 0.015. (ii) Due to the proposed new development project, discharge is expected to increase by 20%, and the monsoon drain requires a new design. However, the client requested that the design should be optimised. Therefore, you need to determine a new trapezoidal channel designed based on the Best Hydraulic Section (BHS). The longitudinal slope and the Manning's nn of channel remain the same.

Q1. (a) An open channel is a flow system in which the water surface is exposed to the atmosphere. Open channels | can be divided into two types, namely natural and man-made channels. Provide TWO (2) examples for each type of the open channels. (b) A rectangular concrete-lined monsoon drain was constructed with a longitudinal slope of 0.1% and a conveyance factor, KK of 600 m³/s. (i) Calculate the water depth of the existing rectangular channel if the width is 3.5 m. Take the Manning's nn value as 0.015. (ii) Due to the proposed new development project, discharge is expected to increase by 20%, and the monsoon drain requires a new design. However, the client requested that the design should be optimised. Therefore, you need to determine a new trapezoidal channel designed based on the Best Hydraulic Section (BHS). The longitudinal slope and the Manning's nn of channel remain the same.

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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