Answered: t = 3 mm h = 146 mm (2) h, = 140 mm lt=…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A sandwich beam having steel faces enclosing
a plastic core is subjected to a bending moment
M = 5 kN . m. The thickness of each steel face is
t = 3 mm with modulus of elasticity E_s = 200 GPa.
The height of the plastic core is h_p =140 mm, and
its modulus of elasticity is E_p = 800 MPa. The overall
dimensions of the beam are h =146 mm and
b =175 mm.
Using the transformed-section method, determine
the maximum tensile and compressive stresses
in the faces and the core.

t = 3 mm
h = 146 mm
(2)
h,
= 140 mm
lt= 3 mm
-b = 175 mm -

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