The square wood beam ABEF is reinforced at the bottom by a steel plate with a rectangular cross-section EFCD. a = 150mm, b = 150mm, h = 20mm, ?= 2m. The simply supported beam is subject to a uniformly distributed load with intensity ?. (1) Verify that the maximum bending moment in the beam is ?= ??2/8 ; (2) If the ratio of elastic moduli is ?steel/E wood= 8, determine the largest allowable intensity ? of the uniformly distributed load that can be applied. The working stresses are 2MPa for wood and 10MPa for steel.
The square wood beam ABEF is reinforced at the bottom by a steel plate with a rectangular cross-section EFCD. a = 150mm, b = 150mm, h = 20mm, ?= 2m. The simply supported beam is subject to a uniformly distributed load with intensity ?. (1) Verify that the maximum bending moment in the beam is ?= ??2/8 ; (2) If the ratio of elastic moduli is ?steel/E wood= 8, determine the largest allowable intensity ? of the uniformly distributed load that can be applied. The working stresses are 2MPa for wood and 10MPa for steel.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The square wood beam ABEF is reinforced at the bottom by a steel plate with a rectangular
cross-section EFCD. a = 150mm, b = 150mm, h = 20mm, ?= 2m. The simply supported beam
is subject to a uniformly distributed load with intensity ?.
(1) Verify that the maximum bending moment in the beam is ?= ??2/8 ;
(2) If the ratio of elastic moduli is ?steel/E wood= 8, determine the largest allowable intensity ?
of the uniformly distributed load that can be applied. The working stresses are 2MPa for wood
and 10MPa for steel.
Transcribed Image Text:Cross-Section
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