7/23/2019 Torsion of Bar_for Rigidity

1/5

375

750

1125

1500

1875

2250

2625

0 0.05 0.1 0.15 0.2 0.250

500

1000

1500

2000

2500

3000

f(x) = 13480.0870984329x + 21.1480362538

Chart Title

7/23/2019 Torsion of Bar_for Rigidity

2/5

0.017453

1.5 0.02618

3 0.05236

5 0.087266

6 0.10472

8 0.139626

9.5 0.165806

11 0.191986

7/23/2019 Torsion of Bar_for Rigidity

3/5

Torsio

Given Data Sr.No

1

Specimen Mild Steel Bar 2

Dia of Specimen 5 mm 3

Radius of Shaft #mm 4

Length of Specimen #mm 5

Polar moment of nertia # 6

7

mm

7/23/2019 Torsion of Bar_for Rigidity

4/5

n Test on Solid Circular Cross Secti

Degree Radians

5 375 1.5 0.02618 18.40

10 750 3 0.05236 36.79

15 1125 5 0.08727 55.19

20 1500 6 0.10472 73.58

25 1875 8 0.13963 91.98

30 2250 9.5 0.16581 110.37

35 2625 11 0.19199 128.77

Load! N "

Tor#ure

! Nmm "

$ngle of T%ist Shear Stress

! =/"

7/23/2019 Torsion of Bar_for Rigidity

5/5

on Bar

0.00015 119,600 119,600

112,553

0.00031 119,600 119,600

0.00051 107,640 107,640

0.00062 119,600 119,600

0.00082 112,125 112,125

0.00097 113,305 113,305

0.00113 114,164 114,164

Shear Strain

Modulus of Rigidit&' G '! Nmm("

G

)'*'+','

! ' )'("+ "

G

) +

G

) +