A water reservoir is overflowing onto it's spillway. The water flowing out is doing so at critical depth at the peak of the spillway (see figure 7). The canal it's bringing water to is rectangular, with a base width of 12m. you must calculate (1) the depth of the flow at the base of the spillway, (2) identify the backwater curve at that point and determine if there will be a hydraulic jump. (3) Calculate the conjugate depth of the hydraulic jump and the head-loss associated to it. Neglect local head-loss on the spillway

A water reservoir is overflowing onto it's spillway. The water flowing out is doing so at critical depth at the peak of the spillway (see figure 7). The canal it's bringing water to is rectangular, with a base width of 12m. you must calculate (1) the depth of the flow at the base of the spillway, (2) identify the backwater curve at that point and determine if there will be a hydraulic jump. (3) Calculate the conjugate depth of the hydraulic jump and the head-loss associated to it. Neglect local head-loss on the spillway

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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Concept explainers

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

A water reservoir is overflowing onto it's spillway. The water flowing out is doing so at critical depth at the peak
of the spillway (see figure 7). The canal it's bringing water to is rectangular, with a base width of 12m. you must
calculate (1) the depth of the flow at the base of the spillway, (2) identify the backwater curve at that point and
determine if there will be a hydraulic jump. (3) Calculate the conjugate depth of the hydraulic jump and the
head-loss associated to it.
Neglect local head-loss on the spillway
depth:
10m
Ycr=0.65m
slope after spillway: 0.0001 m/m
V
Manning coefficient: 0.014
Figure 7 Spillway

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Step 1: Data given

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Step 2: (a) Depth of flow at the base of spillway

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Step 3: (b) Identify the backwater curve and check whether jump is there

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Step 4: (c) Conjugate depth and head loss

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