A contour map of the lake was prepared as shown below. The area bounded between contours are given below. If the late is filled up with water up to 100 m AMSL, determine the volume of water available in the lake using: a) trapezoidal formula b) prismoidal formula

A contour map of the lake was prepared as shown below. The area bounded between contours are given below. If the late is filled up with water up to 100 m AMSL, determine the volume of water available in the lake using: a) trapezoidal formula b) prismoidal formula

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

Unit Hydrograph

Hydrology is the science which deals with the study of water on the earth’s surface. The word Hydrograph is derived from the word hydro which means water. Hydrograph is basically a graph in which the discharge is plotted against the time interval at a specific point in a river or other channel. In a hydrograph, the discharge is plotted along the y-axis and time interval is plotted along the x-axis. Hydrograph is used to estimate the runoff. The variations in discharges with the change in time is shown by a hydrograph. It was revealed that the total discharge at an outlet increases with time by a kinematic wave model.

Question

Contour-area method
A contour map of the lake was prepared as shown below. The area bounded between
contours are given below. If the late is filled up with water up to 100 m AMSL, determine
the volume of water available in the lake using:
a) trapezoidal formula
b) prismoidal formula
A₁ = 1000 m²
A₁ = 750 m²
A₂ = 200 m²
100 m²
A3
A₁
A₂
Ao
70 ma
A3
80 m,
90 m
100m

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