2021-03-16 Q13. A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (E, 200 GPa, as = 11.7 x 10/°C) and portion BC is made of brass (E, = 105 GPa, a, = - 6/°C). Knowing that the rod is initially unstressed, determine the compressive force induced in ABC when there is a temperature rise of 50°C. 20.9 x 10

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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2021-03-16
Q13. A rod consisting of two cylindrical portions AB
and BC is restrained at both ends. Portion AB is made
of steel (E, 200 GPa, a, = 11.7 x 10/°C) and portion
BC is made of brass (E,
6/°C). Knowing that the rod is initially unstressed,
determine the compressive force induced in ABC when
there is a temperature rise of 50°C.
= 105 GPa, ɑn = 20.9 × 10
30-mm diameter
250 mm
B
50-mm diameter
300 mm
exists
Q14. At room temperature (20°C) a 0.5-mm
between the ends of the rods shown. At a later time
when the temperature has reached 140°C, determine:
gap
Transcribed Image Text:2021-03-16 Q13. A rod consisting of two cylindrical portions AB and BC is restrained at both ends. Portion AB is made of steel (E, 200 GPa, a, = 11.7 x 10/°C) and portion BC is made of brass (E, 6/°C). Knowing that the rod is initially unstressed, determine the compressive force induced in ABC when there is a temperature rise of 50°C. = 105 GPa, ɑn = 20.9 × 10 30-mm diameter 250 mm B 50-mm diameter 300 mm exists Q14. At room temperature (20°C) a 0.5-mm between the ends of the rods shown. At a later time when the temperature has reached 140°C, determine: gap
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