At room temperature, a 0.6-mm gap exists between the ends of the rods as shown in Figure Q2 (a). At a later time when the temperature has increased by 120 degree Celsius, determine the followings: 0.6 mm 350 mm- ks A Im B Figure Q2 (b) 300 mm A Aluminum A = 2000 mm² Stainless steel A = 800 mm² E = 190 GPa E = 75 CPa a = 23 x 16-6/°C a = 17.3 x 10-6/°C Figure Q2 (a) a.) Calculate the support reaction R due to the increase in temperature b.) Calculate the stress and change in length of the stainless steel rod c.) If the rods are connected through the gap with a spring having spring constant ks = 10x10 N/m as shown in Figure Q2 (b), recalculate the reaction R when the increase in temperature is 60 degress Celsius. B

Structural Analysis
6th Edition
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Chapter2: Loads On Structures
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At room temperature, a 0.6-mm gap exists between the ends of the rods as shown in Figure
Q2 (a). At a later time when the temperature has increased by 120 degree Celsius, determine
the followings:
0.6 mm
350 mm-
ks
A
w
B
Figure Q2 (b)
- 300 mm
A
Aluminum
A = 2000 mm²
E = 75 CPa
Stainless steel
A = 800 mm²
E = 190 GPa
a = 17.3 x 10-6/°C
a = 23 x 16-6/°C
Figure Q2 (a)
a.) Calculate the support reaction R due to the increase in temperature
b.) Calculate the stress and change in length of the stainless steel rod
c.) If the rods are connected through the gap with a spring having spring constant ks =
10x10⁹ N/m as shown in Figure Q2 (b), recalculate the reaction R when the increase
in temperature is 60 degress Ce is.
B
Transcribed Image Text:At room temperature, a 0.6-mm gap exists between the ends of the rods as shown in Figure Q2 (a). At a later time when the temperature has increased by 120 degree Celsius, determine the followings: 0.6 mm 350 mm- ks A w B Figure Q2 (b) - 300 mm A Aluminum A = 2000 mm² E = 75 CPa Stainless steel A = 800 mm² E = 190 GPa a = 17.3 x 10-6/°C a = 23 x 16-6/°C Figure Q2 (a) a.) Calculate the support reaction R due to the increase in temperature b.) Calculate the stress and change in length of the stainless steel rod c.) If the rods are connected through the gap with a spring having spring constant ks = 10x10⁹ N/m as shown in Figure Q2 (b), recalculate the reaction R when the increase in temperature is 60 degress Ce is. B
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