Mathematics · Structural Mechanics
A portal frame consisting of three members is pinned at both supports. All members have the same flexural rigidity (EI). The frame has a height of 3 m and a width of 4 m. It is subjected to a horizontal load P = 10 kN at the top beam level in the plane of the frame. Calculate the maximum bending moment in the frame using the portal method (approximate method):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 kNm✓
- 210 kNm
- 330 kNm
- 47.5 kNm
Correct answer
15 kNm
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