
Problem 3 Statically Indeterminate Axially Loaded Members (25pts) The assembly shown consists of rigid bar ABC, two fiber-reinforced plastic (FRP) rods (1) and (3), and FRP post (2). The modulus of elasticity for the FRP is E = 18 GPa. Determine the vertical deflection of joint D relative to its initial position after the 30 kN load is applied. 2.4 m 1.8 m Rigid bar | B |(2) (3) || 3.0 m 3.6 m A = 500 mm? Az= 500...
A uniformly-distributed load wis supported by a structure consisting of rigid bar BDF and three rods. Rods (1) and (2) are 17-mm-diameter stainless steel rods that have an elastic modulus of E = 199 GPa. Rod (3) is a 23-mm-diameter bronze rod that has an elastic modulus of E = 101 GPa. Use a = 1.5 m and L = 3.1 m. For a load magnitude of w = 36 kN/m, calculate (a) the normal stress in each rod. (b)...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
M5.8 Rigid bar with opposing members scenes the internal forces and normal stresses bars (1) and (2). (+ = tension, - = compression) Bar properties Also, determine the deflection of the rigid bar in the A = 400 mm? x direction at C. E = 100 GPa 400 mm A2 = 400 mm? Ez = 100 GPa (2) F. (kN) 510 mm FkN - 70 KN (MPa) 680 mm 02 (MPa) 500 mm 510 mm ve (mm) Try one 1...
1. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length increases to 2.01 m. What is the Poisson's Ratio of this material? 2. A tensile force of 100 kN is applied on a 0.02 m diameter 2 m length rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length...
The three-bar truss ABC shown in the figure has a span L = 3 m and is constructed of steel pipes having cross-sectional area A = 3900 mm and modulus of elasticity E = 200 GPa. A load P acts horizontally to the right at joint C. (a) If P= 500 kN, what is the horizontal displacement of joint B? (b) What is the maximum permissible load Pox if the displacement of joint B is limited to 2.5mm? 45 45°...
Mainly need help with part (b)
please.
A rigid bar ABCD is suspended from the ceiling by two initially unstressed rods BHE and CF as shown in the figure. The rigid bar ABCD is in the position shown in the figure without any force applied and at an initial temperature of 25°C. Neglect the weight of all the members. 70 cm i 80 cm . 1 15 cm 20 cm 110 cm F- 8 kN Given: 1, Young's modulus of...
Chapter 3, Reserve Problem 122 The rigid bar AC is supported by two axial bars (1) and (2). Both axial bars are made of bronze [E = 100 GPa; a = 18 × 10-mm/mm/°C]. The cross-sectional area of bar (1) is A1 = 236 mm2 and the cross- sectional area of bar (2) is Az = 389 mm2. After load P has been applied and the temperature of the entire assembly has increased by 26°C, the total strain in bar...
The rigid bar AC is supported by two axial bars (1) and (2). Both axial bars are made of bronze [E = 100 GPa; a = 18 x 10-6 mm/mm/°C). The cross-sectional area of bar (1) is A1 = 226 mm- and the cross-sectional area of bar (2) is Az = 362 mm. After load P has been applied and the temperature of the entire assembly has increased by 22°C, the total strain in bar (2) is measured as 1020...
practice exam for mechanic of material
Problem #3: The rigid be m The rigid beam ACE is u sed the suspender bars. Bars AB der hars Bars AB and EF are made of aluminum and har CD is made of steel. Each barha and bar CD is made of steel Fach har has a cross-sectional area of 900 mm, Ex - 200 GPa, E-70 GPa P-20 KN. al 2 m 5 -15 Fox 190 0 3 FAQ +15 Foc 390...