A simply supported beam AB = 10 m has a hollow rectangular cross-section with 14 cm as width, 23 cm as depth, and inner thickness as 1 cm is subjected to a point load of 7 N & 5 N acting at C and D respectively and a uniformly distributed load (UDL) of 7 N/m starts from mid-span and ends at the right support of the beam. Determine the maximum bending stress and the bending stress at 1 cm from the top. Take AC = 2 m & CD = 1 m. Solution: i) Reaction force at B = Answer and unit for part 1 ii) Reaction Force at A = Answer and unit for part 2 iii) The distance from B at which the shear Force value changes from "-" to "+" =
A simply supported beam AB = 10 m has a hollow rectangular cross-section with 14 cm as width, 23 cm as depth, and inner thickness as 1 cm is subjected to a point load of 7 N & 5 N acting at C and D respectively and a uniformly distributed load (UDL) of 7 N/m starts from mid-span and ends at the right support of the beam. Determine the maximum bending stress and the bending stress at 1 cm from the top. Take AC = 2 m & CD = 1 m. Solution: i) Reaction force at B = Answer and unit for part 1 ii) Reaction Force at A = Answer and unit for part 2 iii) The distance from B at which the shear Force value changes from "-" to "+" =
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A simply supported beam AB = 10 m has a hollow rectangular cross-section with 14 cm as width, 23 cm as depth, and inner thickness as 1 cm is subjected to a point load of 7 N & 5 N acting at C and D respectively and a uniformly distributed load (UDL) of 7 N/m starts from mid-span and ends at the right support of the beam. Determine the maximum bending stress and the bending stress at 1 cm from the top. Take AC = 2 m & CD = 1 m.
Solution:
i) Reaction force at B =
Answer and unit for part 1ii) Reaction Force at A =
Answer and unit for part 2iii) The distance from B at which the shear Force value changes from "-" to "+" =
Answer and unit for part 3iv) Maximum Bending Moment (Please write the Maximum bending moment valve in "Nm") =
Answer and unit for part 4v) Moment of Inertia, I =
Answer and unit for part 5vi) Maximum bending stress =
Answer and unit for part 6vii) Bending stress at 1 cm from the top =
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