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(2) As Fig rods 1,2 shown below, the rigid the rigid rod is supported by elastic...
(2) As Fig rods 1,2 shown below, the rigid the rigid rod is supported by elastic...
(2) As Fig rods 1,2 shown below, the rigid the rigid rod is supported by elastic rods 7 and 2. Let A1, A2 be the Cross sectional area of elastic and be the linear expansion coefficients However, the elastic modulus is E for both elastic rods and 2 Find the rotation the rod when the tem and by T where clockwise is 21 22 1 angle o i perature is raised hard @ minute positive. 2 1 H DO L...
Rigid bar BCD is supported by a pin at C and aluminum rod (1)
Rigid bar BCD is supported by a pin at C and aluminum rod (1). A concentrated load P is applied to the lower end of the aluminum rod (2) which is attached to the rigid bar at D. The cross sectional area of each rod is A»0.20 in2 and the elastic modulus of the aluminum material is E=9200 ksi. The coefficient of thermal expansion 12.5 x 10-6/°F. After the load P is applied and the structure has been CoOLED by...
A uniformly-distributed load wis supported by a structure consisting of rigid bar BDF and three rods....
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)...
Required Information A steel rod AD and a brass rod BE are connected by a rigid...
Required Information A steel rod AD and a brass rod BE are connected by a rigid bar ACB, which is fixed at a pivot point. The stiffness of th steel rod is greater than the brass rod. The distances from the pivot point to the connections are 240 mm and 150 mm respectively, as shown in the figure. It is known that rod AD has a cross-section area 41 = 100 mm, length L1 = 330 mm, Young's modulus G...
The rigid bar shown is supported by axial bar (1) and by a pin connection at C. Axial bar (1) has...
The rigid bar shown is supported by axial bar (1) and by a pin
connection at C. Axial bar (1) has a cross-sectional area
of A1 = 250 mm2, an elastic modulus
of E = 200 GPa, and a coefficient of thermal expansion of
α= 11.3 × 10-6/°C. The pin at C has a diameter
of 40 mm. After load P has been applied and the
temperature of the entire assembly has been increased by 10°C, the
total strain in...
The pin-connected structure shown in Fig. 5 consists of a rigid bar ABCD and two 1,500-mm-long...
The pin-connected structure shown in Fig. 5 consists of a rigid bar ABCD and two 1,500-mm-long bars. Bar (1) is steel [E=200 GPa] with a cross-sectional area of A1 = 510 mm2. Bar (2) is an aluminium alloy [E-70 GPa] with a cross-sectional area of A2 1,300 mm2. All bars are unstressed before the load P is applied. If a concentrated load of P 200 kN acts on the structure at D determine: (a) the normal stresses in both bars...
1) The rigid block below weighs 80 kips is supported by steel posts (1) and (3)...
1) The rigid block below weighs 80 kips is supported by steel posts (1) and (3) and by brass post (2). The elastic modulus of steel is 29,000 ksi and its coefficient of thermal expansion is 6.60.10 €/°F) The elastic modulus of brass is 14,600 ksi and its coefficient of thermal expansion is 9.80-10-6/°F. All 3 posts have the same original length and cross-sectional area of 8 in? a) The brass post (2) is heated by 20 °F and the...
Problèm GIVEN b 2) Three rod elements shown above are stress free when they are assembled...
Problèm GIVEN b 2) Three rod elements shown above are stress free when they are assembled together and attached to the rigid walls A and D. Element (1) is steel with E1 30 x 103ksi, cross - sectional area Ai - 2.0 in, length L1-80 in and coefficient of thermal expansion α1=7x10-6/0F; the corresponding values for the aluminum element (2) are: E2 10 x 103ksi, A2-3.6 in, L,- 60 in, a2 13 x 10-6/oF; the corresponding values for the bronze...
A tie rod (1) and a pipe strut (2) are used to support a 50-kN load,...
A tie rod (1) and a pipe strut (2) are used to support a 50-kN
load, as shown. The cross-sectional areas are A1 =650 mm2 for tie
rod (1) and A2 = 925 mm2 for pipe strut (2). Both members are made
of structural steel that has an elastic modulus of E=200 GPa.
a) Determine the axial normal stresses in tie rod (1) and pipe
strut (2).
b) Determine the elongation or contraction of each member.
c) Sketch a deformation...
Problem 1) A load, P, is supported by a structure consisting of rigid bar BDF and...
Problem 1) A load, P, is supported by a structure consisting of rigid bar BDF and three identical rods (cross-sectional area, A length, L; and elastic modulus, E), as shown. Load P is offset from the left bar by distance, c. Bars 1 and 2 are separated by distance, a; bars 2 and 3 are separated by distance, b. Symbolically (using the necessary variables) derive the three equations necessary to solve for the forces (Fi, F2, and F3) in the...
(2) As Fig rods 1,2 shown below, the rigid the rigid rod is supported by elastic rods 7 and 2. Let A1, A2 be the Cross sectional area of elastic and be the linear expansion coefficients However, the elastic modulus is E for both elastic rods and 2 Find the rotation the rod when the tem and by T where clockwise is 21 22 1 angle o i perature is raised hard @ minute positive. 2 1 H DO L...
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)...
Required Information A steel rod AD and a brass rod BE are connected by a rigid bar ACB, which is fixed at a pivot point. The stiffness of th steel rod is greater than the brass rod. The distances from the pivot point to the connections are 240 mm and 150 mm respectively, as shown in the figure. It is known that rod AD has a cross-section area 41 = 100 mm, length L1 = 330 mm, Young's modulus G...
The rigid bar shown is supported by axial bar (1) and by a pin
connection at C. Axial bar (1) has a cross-sectional area
of A1 = 250 mm2, an elastic modulus
of E = 200 GPa, and a coefficient of thermal expansion of
α= 11.3 × 10-6/°C. The pin at C has a diameter
of 40 mm. After load P has been applied and the
temperature of the entire assembly has been increased by 10°C, the
total strain in...
The pin-connected structure shown in Fig. 5 consists of a rigid bar ABCD and two 1,500-mm-long bars. Bar (1) is steel [E=200 GPa] with a cross-sectional area of A1 = 510 mm2. Bar (2) is an aluminium alloy [E-70 GPa] with a cross-sectional area of A2 1,300 mm2. All bars are unstressed before the load P is applied. If a concentrated load of P 200 kN acts on the structure at D determine: (a) the normal stresses in both bars...
1) The rigid block below weighs 80 kips is supported by steel posts (1) and (3) and by brass post (2). The elastic modulus of steel is 29,000 ksi and its coefficient of thermal expansion is 6.60.10 €/°F) The elastic modulus of brass is 14,600 ksi and its coefficient of thermal expansion is 9.80-10-6/°F. All 3 posts have the same original length and cross-sectional area of 8 in? a) The brass post (2) is heated by 20 °F and the...
Problèm GIVEN b 2) Three rod elements shown above are stress free when they are assembled together and attached to the rigid walls A and D. Element (1) is steel with E1 30 x 103ksi, cross - sectional area Ai - 2.0 in, length L1-80 in and coefficient of thermal expansion α1=7x10-6/0F; the corresponding values for the aluminum element (2) are: E2 10 x 103ksi, A2-3.6 in, L,- 60 in, a2 13 x 10-6/oF; the corresponding values for the bronze...
A tie rod (1) and a pipe strut (2) are used to support a 50-kN
load, as shown. The cross-sectional areas are A1 =650 mm2 for tie
rod (1) and A2 = 925 mm2 for pipe strut (2). Both members are made
of structural steel that has an elastic modulus of E=200 GPa.
a) Determine the axial normal stresses in tie rod (1) and pipe
strut (2).
b) Determine the elongation or contraction of each member.
c) Sketch a deformation...
Problem 1) A load, P, is supported by a structure consisting of rigid bar BDF and three identical rods (cross-sectional area, A length, L; and elastic modulus, E), as shown. Load P is offset from the left bar by distance, c. Bars 1 and 2 are separated by distance, a; bars 2 and 3 are separated by distance, b. Symbolically (using the necessary variables) derive the three equations necessary to solve for the forces (Fi, F2, and F3) in the...
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