Ca H: E C. L1 FIGURE M
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Each of the portal frame shown in figure M has a tributary span of 6 meters. It is subjected to wind whose pressure p is 1.44 kPa. H₁=4m, H₂ =2m, L₁=6m, L₂ =6m, C₁ = 0.8, C₂ = -0.1, C₃ = -0.5, and C₄ = -0.4. If the wind pressure acting normal to the roof is computed by the formula: W=Cp
Where:
C = Surface coefficient given above
p = wind pressure
V = wind velocity
W = wind pressure normal to the roof
If support B is changed into a hinge, and at D will be an interior pin,
Where:
C = Surface coefficient given above
p = wind pressure
V = wind velocity
W = wind pressure normal to the roof
If support B is changed into a hinge, and at D will be an interior pin,
1. Find the vertical reaction at support A
a. 5.16 kN
b. 3.96 kN
c. 3.36 kN
d. 6.68 kN
2. Find the horizontal reaction at support A
a. 5.95 kN
b. 4.58 kN
c. 2.45 kN
d. 7.98 kN
3. Find the Horizontal reaction at support B
a. 4.65 kN
b. 3.78 kN
c. 2.11 kN
d. 5.89 kN
Transcribed Image Text:Ca
H:
E
H
C4
B
L1
L:
FIGURE M
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