A two-storey apartment building designed by Engr. Sang Woo has a brace system of main structural member shown in the figure. Considering that the bars are stressed - free the time it was assembled at...


A two-storey apartment building designed by Engr. Sang Woo has a brace system of main<br>structural member shown in the figure. Considering that the bars are stressed - free the time it<br>was assembled at 25°C. Determine the normal stresses in MPA of rods given that:<br>Bronze (1)<br>Aluminum (2)<br>E= 100 GPa<br>E= 70 GPa<br>a = 16.8 x10 6 / °C<br>Ø = 21mm<br>a = 22.8 x10 6/°C<br>Ø = 15 mm<br>Note: After assembly it has been observed that the bronze rod<br>350 mm<br>250 mm<br>(1)<br>temperature remains the same while aluminum rod decreased by<br>42°C. Round off your answers to nearest whole number<br>200 mm<br>(2)<br>500 mm<br>

Extracted text: A two-storey apartment building designed by Engr. Sang Woo has a brace system of main structural member shown in the figure. Considering that the bars are stressed - free the time it was assembled at 25°C. Determine the normal stresses in MPA of rods given that: Bronze (1) Aluminum (2) E= 100 GPa E= 70 GPa a = 16.8 x10 6 / °C Ø = 21mm a = 22.8 x10 6/°C Ø = 15 mm Note: After assembly it has been observed that the bronze rod 350 mm 250 mm (1) temperature remains the same while aluminum rod decreased by 42°C. Round off your answers to nearest whole number 200 mm (2) 500 mm

Jun 11, 2022
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