Situation IV. At 10°C, the rigid horizontal slab is attached to two identical copper rods as show...

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Situation IV. At 10°C, the rigid horizontal slab is attached to two identical copper rods as show...

Situation IV. At 10°C, the rigid horizontal slab is attached to two identical copper rods as shown in Fig. 4. A (mm2) E (GPa)

Copper Aluminum Fig. 4 Copper 150 mm

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Civil Engineering 5 years ago 1 Answer Ghaida Hassan

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<div style= "font-family:'Helvetica Neue', Helvetica, Arial;color:#333333;"> <div><br /> <p><img  src= "https://www.subjectmate.com/img/openquestion/167uid1592547018mceclip0.png" alt= "Situation IV. At 10°C, the rigid horizontal slab is attached to two identical copper rods as shown in Fig. 4. A (mm2) E (GPa)" ></p> </div> <div><p><img  src= "https://www.subjectmate.com/img/openquestion/167uid1592547020mceclip1.png" alt="Copper Aluminum Fig. 4 Copper 150 mm" ></p></div> </div> <div id="fqo" class="hidden">Situation IV. At 10°C, the rigid horizontal slab is attached to two identical copper rods as shown in Fig. 4. A (mm2) E (GPa) a (um/m-C) Copper 500 120 16.8 Aluminum 400 23.1 7. If the gap A=0.18 mm, calculate the stress in each rod when the temperature in the assembly is increased by 85 °C neglecting the weight of the slab. 8. What must be the temperature difference in the assembly to have a zero-stress on the aluminum rod if the gap is 0.2 mm and the slab has a mass of 35 Mg. 70 </div> <div id="fqp" class="hidden">Copper Aluminum Fig. 4 Copper 150 mm </div>

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