The vertical deviation is measured along (if first point is A and seco...
Answer: b
Explanation: This makes the integration much easier during calculation of deflection.
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The vertical deviation is measured along (if first point is A and seco...
Vertical Deviation Measurement
Introduction:
In civil engineering, the vertical deviation is a measurement used to determine the difference in elevation between two points. It helps in understanding the vertical displacement between two specific locations, which is crucial in various engineering applications such as road construction, pipeline installation, and surveying.
Measurement of Vertical Deviation:
The vertical deviation is measured along a vertical line passing through the points A and B. This line is known as the vertical line of the two points. The correct option for measuring the vertical deviation is a vertical line passing through point A.
Explanation of Correct Option:
a) A vertical line passing through the center of A and B:
If we consider a vertical line passing through the center of points A and B, it will not provide an accurate measurement of the vertical deviation. This is because the center point may not necessarily lie on the vertical line connecting the two points. Therefore, this option is incorrect.
b) A vertical line passing through A:
This option is correct because it provides an accurate measurement of the vertical deviation. By considering a vertical line passing through point A, we can determine the change in elevation between points A and B. This measurement is crucial in understanding the slope or gradient between the two points.
c) A vertical line passing through B:
Similar to option a, considering a vertical line passing through point B will not provide an accurate measurement of the vertical deviation. This is because the line may not pass through the vertical plane defined by points A and B.
d) A vertical line passing through either of the end points:
Considering a vertical line passing through either of the end points does not specify which point to choose for the measurement. It is essential to have a consistent reference point for accurate measurements. Therefore, this option is incorrect.
Conclusion:
To measure the vertical deviation accurately between points A and B, it is necessary to consider a vertical line passing through point A. This method ensures that the measurement is consistent and provides a reliable understanding of the vertical displacement between the two points.
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