Three wires AB, CD and E made of copper, brass and steel respectively, are used to support a Rigid horizontal bar BDF as sown. These wires are unstressed prior to loading. Assuming that the weight of the bar BDF is negligible, determine the load P wich may be applied, to maintain the horizontally after the temperature of all three wires is raised by 20°C. Use the data in Table shown below. 1000 mm I500 mm TE Copper (AB) Brass (CD) Steel (EF) TA Area (mm) Length (m) E (GPa) a (x 10 m/m C) 200 300 1.50 100 1.75 2.00 120 90 200 11.7 16.8 20.0 Copper Brass Steel Hint: Draw the free body diagram of the bar BDF. From it derive relevant equilibrium and deformation equations. 100 mm

Three wires AB, CD and E made of copper, brass and steel respectively, are used to support a Rigid horizontal bar BDF as sown. These wires are unstressed prior to loading. Assuming that the weight of the bar BDF is negligible, determine the load P wich may be applied, to maintain the horizontally after the temperature of all three wires is raised by 20°C. Use the data in Table shown below. 1000 mm I500 mm TE Copper (AB) Brass (CD) Steel (EF) TA Area (mm) Length (m) E (GPa) a (x 10 m/m C) 200 300 1.50 100 1.75 2.00 120 90 200 11.7 16.8 20.0 Copper Brass Steel Hint: Draw the free body diagram of the bar BDF. From it derive relevant equilibrium and deformation equations. 100 mm

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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