The forces acting on a 1-ft length of a dam are shown. The upward ground reaction varies uniformly from an intensity of pA (lb/ft) at A to pB (lb/ft) at B. Determine pA and pB and also the horizontal resistance to sliding H.
The forces acting on a 1-ft length of a dam are shown. The upward ground reaction varies uniformly from an intensity of pA (lb/ft) at A to pB (lb/ft) at B. Determine pA and pB and also the horizontal resistance to sliding H.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The forces acting on a 1-ft length of a dam are shown. The upward ground reaction varies uniformly from an intensity of pA (lb/ft) at A to pB (lb/ft) at B. Determine pA and pB and also the horizontal resistance to sliding H.
Transcribed Image Text:P=10000lb-
6'
PA
-7¹
A
W=24000lb
18'
ps
F=6000lb
H
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Step 1: Write the given data of the question:
VIEWStep 2: Draw the free body diagram of the dam
VIEWStep 3: Find the horizontal resistance to sliding H and the resultant upward ground reaction
VIEWStep 4: Find the eccentricity of the resultant vertical ground reaction
VIEWStep 5: Calculating the pressure intensity at A and B:
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