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WorksheetsThermal stresses & composite bars_pn.mas
Total questions: 10
Worksheet time: 26mins
The temperature of 200 mm long steel bar with 30 mm diameter was raised from 300 C to 800 C. Calculate the stress and force of this steel bar.Given E = 200 G N/m2 , α = 12 x 10 -6/ oC.
The stress is;
130 MPa
110 MPa
90 MPa
120 MPa
The temperature of 200 mm long steel bar with 30 mm diameter was raised from 300 C to 800 C. Calculate the stress and force of this steel bar.Given E = 200 G N/m2 , α = 12 x 10 -6/ oC.
The cross sectional area (A) of the long steel bar is;
2.089 x 10 -4 m2
7.069 x 10 -4 m2
2.089 x 10 -5 m2
7.069 x 10 -6 m2
The temperature of 200 mm long steel bar with 30 mm diameter was raised from 300 C to 800 C. Calculate the stress and force of this steel bar.Given E = 200 G N/m2 , α = 12 x 10 -6/ oC.
The force is;
84.823 kN
84.823 MN
44.823 kN
100.823 kN
Figure 4.1 : Series connection bar
From Figure 4.1,In equilibrium phase, the forces for Bar A, and Bar B are;
9 kN, 11 kN.
11 kN, 11 kN.
9 kN, 5 kN.
9 kN, 11 kN.
Figure 4.1 : Series connection bar
From Figure 4.1,In equilibrium phase, the forces for Bar B is ;
4 kN
6 kN
10 kN
5 kN
Figure 4.1 : Series connection bar
From Figure 4.1,the cross sectional area (A) for Bar A, Bar B and Bar C in m2 are;
7.069x10-4 , 9.621x10-4, 7.069x10-4
7.069x10-4 , 9.621x10-4, 9.069x10-4
7.069x10-4 , 7.069x10-4, 7.069x10-4
7.069x10-5 , 7.069x10-5, 7.069x10-5
Figure 4.1 : Series connection bar
From Figure 4.1,the elongation for bar A is;
Given E= 210G N/m2
5.351 x 10-5
5.351 x 10-4
1.485 x 10-4
3.075 x 10-5
From the Figure 4.1 , the elongation for Bar B is;
Given E= 210G N/m2
1.485 x 10-4
1.485 x 10-6
1.485 x 10-5
1.485 x 10-7
From the Figure 4.1, the elongation for Bar C is;
Given E= 210G N/m2
1.485 x 10-5
3.705 x 10-4
1.485 x 10-4
3.705 x 10-5
From the Figure 4.1, calculate the total elongation of the bar;
Given E= 210G N/m2
3.705 x 10-5
2.391 x 10-6
2.391 x 10-5
2.391 x 10-4
