The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of 770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and then determine: 1- The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours. 2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours 3-The value of the vertical coordinate of 6 hours of standard hydrograph at the time of 66 hours.

The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of 770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and then determine: 1- The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours. 2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours 3-The value of the vertical coordinate of 6 hours of standard hydrograph at the time of 66 hours.

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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Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.

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Q2:
The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of
770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and
then determine: 1-
The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours.
2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours
3-The value of the vertical coordinate of 6 hours of st and ard hydrograph at the time of 66 hours
the time
72 66 60 54 48 42 36 30 24 18 12
60
(hour)
discharge
42 50 70 100 145 205 270 350
400
360 215
65 40 (m3/s)
flow
42 42 42 42 41
baseband
41
41 40
40 40 40
40 40 40
(m3/s)

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