Question
Download Solution PDFA three-hinged parabolic arch subjected to a load w at L/4 distance from left support. The rise of the crown is 4 m, span is 20 m and w is 80 kN, the horizontal thrust at the support is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFor the given condition:
From equilibrium equation:
∑V = 0,
Taking moment about point A,
VB × 20 – 80 × 5 = 0
Hence, VA = 60 kN and VB = 20 kN
Taking MC = 0 from left portion(AC),
VA × 10 - 80 × 5 – H × 4 = 0
∴ H = 50 kN
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