Chapter 2 Stress and Strain—Axial Loading

Eng. Mahmoud AlQazzaz

NORMAL STRAIN UNDER AXIAL LOADING

normal strain:

deformation per unit

length

DEFORMATIONS OF MEMBERS UNDER AXIAL LOADING

𝑝

𝐴= 𝐸

δ

𝐿

δ=𝑝𝐿

𝐴𝐸

if the rod is homogeneous

(constant E), has a uniform

cross section of area A, and is

loaded at its ends.

If the rod is loaded at

other points, or if it

consists of several

portions of various cross

sections and possibly of

different materials

Example

HW :

2.1 , 2.14 , 2.16 , 2.19 , 2.21 , 2.33 , 2.44 ,

2.53 , 2.59 , 2.60 , 2.62 , 2.64 , 2.75 , 2.76 .