Problem 2 For the simply supported beam shown below, determine whether the beam is cracked or un-cracked under the applied loads, use f'e = 25 MPa, if the beam is cracked calculate the bending stresses in the beam using the transformed area method. 20 kN 300 mm 4 kN/m D 3 m 3025 3 m 500 mm 450 mm

Problem 2 For the simply supported beam shown below, determine whether the beam is cracked or un-cracked under the applied loads, use f'e = 25 MPa, if the beam is cracked calculate the bending stresses in the beam using the transformed area method. 20 kN 300 mm 4 kN/m D 3 m 3025 3 m 500 mm 450 mm

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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Properties of materials

A property of a material describes its characteristics and distinguishes it from the others. The material properties are described it in terms of its hardness, color, appearances, and so on. The material properties generally depend on the type of material, or whether it is a metal or an alloy. There are different kinds of material properties such as mechanical properties, thermal properties, physical properties, and chemical properties. Chemical properties describe the material in terms of a chemical change. The mechanical properties come into existence when the material is acted upon by an external load. Thermal properties are associated with the temperature of the material and specific heat.

Question

Problem 2
For the simply supported beam shown below, determine whether the beam is cracked or un-cracked
under the applied loads, use f'e = 25 MPa, if the beam is cracked calculate the bending stresses in the
beam using the transformed area method.
20 KN
300 mm
4 kN/m
A↓
D
3025
k
3 m
3 m
500 mm
- աա St

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