VPI = STA 70+00, EL = 90'VPI = STA 180+00, EL = 86'VPC: StartCurve 1VPT: EndCurve 1VPT: EndCurve 3VPC: StartCurve 3-2.9% -2.9%-3.2%L = 1250'+3.8%L = 1500'L = 1100'+4.3%,+4.3%VPC: StartCurve 2VPT: End iCurve 2VPI = STA 120+00, EL = 18'A. Find the Elevation @ STA 72+00 for Curve 1.B. Find the station and elevation of the lowest point for Curve 2.C. Find the Elevation @ STA 176+00 for Curve 3.

[Note x is the distance from VPC of each curve] For Curve 1:- l = 1100 feet; g1 = 3.8% =…

VPI = STA 70+00, EL = 90' VPI = STA 180+00, EL = 86' VPC: Start VPT: End VPT: End Curve 3 Curve 1 VPC: Start Curve 1 Curve 3 L = 1250' -2.9% -2.9% -3.2% +3.8% L = 1500' L = 1100' +4.3% +4.3% VPC: Start VPT: End i Curve 2 Curve 2 VPI = STA 120+00, EL = 18' A. Find the Elevation @ STA 72+00 for Curve 1. B. Find the station and elevation of the lowest point for Curve 2. C. Find the Elevation @ STA 176+00 for Curve 3.

VPI = STA 70+00, EL = 90' VPI = STA 180+00, EL = 86' VPC: Start VPT: End VPT: End Curve 3 Curve 1 VPC: Start Curve 1 Curve 3 L = 1250' -2.9% -2.9% -3.2% +3.8% L = 1500' L = 1100' +4.3% +4.3% VPC: Start VPT: End i Curve 2 Curve 2 VPI = STA 120+00, EL = 18' A. Find the Elevation @ STA 72+00 for Curve 1. B. Find the station and elevation of the lowest point for Curve 2. C. Find the Elevation @ STA 176+00 for Curve 3.

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

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

VPI = STA 70+00, EL = 90'
VPI = STA 180+00, EL = 86'
VPC: Start
Curve 1
VPT: End
Curve 1
VPT: End
Curve 3
VPC: Start
Curve 3
-2.9% -2.9%
-3.2%
L = 1250'
+3.8%
L = 1500'
L = 1100'
+4.3%,+4.3%
VPC: Start
Curve 2
VPT: End i
Curve 2
VPI = STA 120+00, EL = 18'
A. Find the Elevation @ STA 72+00 for Curve 1.
B. Find the station and elevation of the lowest point for Curve 2.
C. Find the Elevation @ STA 176+00 for Curve 3.

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