The table below represents the vertical coordinates for 12 hours standard hydrograph, find the vertical coordinates for 6 hours standard hydrograph and then specify: 1-The value of the vertical coordinates for 6 hours standard hydrograph at the time of 12 hours 2-The value of the vertical coordinates for 6 hours standard hydrograph at the time 30 hours. 3-The value of the vertical coordinate of 6 hours standard hydrograph at 48 hours time time 42 36 30 24 18 12 6 0 (hour) Coordinates 153 150 12 UH 136 111 76 37 10 0 (m3/s) 48 146

The table below represents the vertical coordinates for 12 hours standard hydrograph, find the vertical coordinates for 6 hours standard hydrograph and then specify: 1-The value of the vertical coordinates for 6 hours standard hydrograph at the time of 12 hours 2-The value of the vertical coordinates for 6 hours standard hydrograph at the time 30 hours. 3-The value of the vertical coordinate of 6 hours standard hydrograph at 48 hours time time 42 36 30 24 18 12 6 0 (hour) Coordinates 153 150 12 UH 136 111 76 37 10 0 (m3/s) 48 146

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

Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.

Question

Q1:
The table below represents the vertical coordinates for 12 hours standard hydrograph, find the vertical
coordinates for 6 hours standard hydrograph and then specify:
1-The value of the vertical coordinates for 6 hours standard hydrograph at the time of 12
hours 2-The value of the vertical coordinates for 6 hours standard hydrograph at the time 30
hours. 3- The value of the vertical coordinate of 6 hours standard hydrograph at 48 hours time
time
42 36 30 24 18 12
6
0
(hour)
Coordinates
12 UH
153
150
136
111 76
37
10
0
(m3/s)
48
146

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