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Question: 4 (15) A two-member truss is loaded with a vertical load of 20 kips at...
5. (20 points) The truss shown below supports horizontal forces of 6 kips at Joint G,...
5. (20 points) The truss shown below supports horizontal forces of 6 kips at Joint G, 8 kips at Joint E, and 4 kips at Joint C. All truss members are made of steel (E 29,000 ksi). Each of the diagonal members (Members AD, DE, and EH) has a cross-sectional area of 1.2 in2. Each of the vertical members (Members AC, CE, EG, BD, DF and FH) has a cross-sectional area of 2.4 in Each of the horizontal members (Members...
For Problems9.1 through 9.6, use the virtual work method to determine the deflection of each of the joints indicate...
For Problems9.1 through 9.6, use the virtual work method to determine the deflection of each of the joints indicated. E 29,000 ksi for all members unless otherwise indicated. The cross section of each member is given as in2 unless noted otherwise. Find A and ACy. Bar areas: AB = 7; BC DE EC 2; AD BE = 4; and DB 6. (Ans: ACu = 2.148 in P9.1 0.394 in. -) ,ACx | 20k 40 k CV E 10k - 20...
2.3-2 A truss ABC supports a load P= 3000 lb as shown in the figure. Members...
2.3-2 A truss ABC supports a load P= 3000 lb as shown in the figure. Members AB and BC have cross- sectional areas Aab-1.4 in.2 and Abc-4.1 n.2, respec- tively. The material is aluminum with E = 10,000,000 psi. Find the horizontal deflection and the vertical deflection 6, of joint B 30° 8 ft Prob. 2.3-2
An A992 beam, simply supported at both ends, spans 20 ft and is loaded at mid-span...
An A992 beam, simply supported at both ends, spans 20 ft and is loaded at mid-span with a dead load of 8.o kips and live load of 24.0 kips, in addition to its self-weight. Assume full lateral support and a compact section. Select the lightest weight wide-flange members with respect to bending capacity. Does the member selected in part (a), satisfy the live load deflection criteria of L/360.? Does the member selected in part (a), satisfy the live load deflection...
Problem 4 Member A is a steel rod with circular cross-section. The modulus of elasticity is...
Problem 4 Member A is a steel rod with circular cross-section. The modulus of elasticity is 29000 ksi. Member B is very stiff compared to Member A, so ignore its deformations. a. Set up the virtual force system for vertical displacements DEAD 20K LIVE 10 k at Node 2. Determine the minimum diameter of rod that can be used if the deflection due to live load cannot exceed 0.5 in Assume that rods are available in 1/8 in. increments, such...
please help me solve part B it is drawing please be clear To use a load...
please help me solve part B
it is drawing please be clear
To use a load diagram to determine internal axial forces and to calculate axial deformations. The axially loaded bar with circular cross-section is loaded and supported as shown below. The bar is made of aluminum 2014-T4 and has a modulus of elasticity, E, of 10,600 ksi. The lengths of segments AB, BC, and CD are 2, 1.5, and is 2.5 ft, respectively and the diameters of the segments...
Question 4 The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of m...
Question 4 The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of members 1, 2 and 3 as 150, 250 and 200 mm2 respectively a) Assemble the upper triangular part of the global stiffness matrix for the truss. b) Determine the horizontal and vertical displacements at node 4. c) Calculate the forces in each member of the truss. (25 marks) 20 kN 3 600 4 3 1.5m...
The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of members 1, 2...
The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of members 1, 2 and 3 as 150, 250 and 200 mm2 respectively a) Assemble the upper triangular part of the global stiffness matrix for the truss b) Determine the horizontal and vertical displacements at node 4 c) Calculate the forces in each member of the truss. (25 marks) 20 kN 3 60° 4 1.5m 2 2 20m...
Homework Problem H 7.E Consider the truss shown below with the loading on joints D, K, S and U. Given: Find: For this p...
Homework Problem H 7.E Consider the truss shown below with the loading on joints D, K, S and U. Given: Find: For this problem: a) Determine the external reactions acting on the truss at supports A and H b) Identify all zero-force members in the truss. c) Determine the load carried by members BC, CJ and MN. Identify each member as either being in tension, in compression or carrying zero load. For this problem, use the following parameters: h 30...
Estimate the redundant force in the truss member BC as shown in the following FIGURE. The...
Estimate the redundant force in the truss member BC as shown in the following FIGURE. The truss is subjected to a vertical load P as 50 kN. Members AB, AC, CD, and BD are 5 m long. The cross-sectional area of all members is constant. The support at A is the pin support and the support at B is the roller support. P = 50 kN Ан, B Av Ву
5. (20 points) The truss shown below supports horizontal forces of 6 kips at Joint G, 8 kips at Joint E, and 4 kips at Joint C. All truss members are made of steel (E 29,000 ksi). Each of the diagonal members (Members AD, DE, and EH) has a cross-sectional area of 1.2 in2. Each of the vertical members (Members AC, CE, EG, BD, DF and FH) has a cross-sectional area of 2.4 in Each of the horizontal members (Members...
For Problems9.1 through 9.6, use the virtual work method to determine the deflection of each of the joints indicated. E 29,000 ksi for all members unless otherwise indicated. The cross section of each member is given as in2 unless noted otherwise. Find A and ACy. Bar areas: AB = 7; BC DE EC 2; AD BE = 4; and DB 6. (Ans: ACu = 2.148 in P9.1 0.394 in. -) ,ACx | 20k 40 k CV E 10k - 20...
2.3-2 A truss ABC supports a load P= 3000 lb as shown in the figure. Members AB and BC have cross- sectional areas Aab-1.4 in.2 and Abc-4.1 n.2, respec- tively. The material is aluminum with E = 10,000,000 psi. Find the horizontal deflection and the vertical deflection 6, of joint B 30° 8 ft Prob. 2.3-2
An A992 beam, simply supported at both ends, spans 20 ft and is loaded at mid-span with a dead load of 8.o kips and live load of 24.0 kips, in addition to its self-weight. Assume full lateral support and a compact section. Select the lightest weight wide-flange members with respect to bending capacity. Does the member selected in part (a), satisfy the live load deflection criteria of L/360.? Does the member selected in part (a), satisfy the live load deflection...
Problem 4 Member A is a steel rod with circular cross-section. The modulus of elasticity is 29000 ksi. Member B is very stiff compared to Member A, so ignore its deformations. a. Set up the virtual force system for vertical displacements DEAD 20K LIVE 10 k at Node 2. Determine the minimum diameter of rod that can be used if the deflection due to live load cannot exceed 0.5 in Assume that rods are available in 1/8 in. increments, such...
please help me solve part B
it is drawing please be clear
To use a load diagram to determine internal axial forces and to calculate axial deformations. The axially loaded bar with circular cross-section is loaded and supported as shown below. The bar is made of aluminum 2014-T4 and has a modulus of elasticity, E, of 10,600 ksi. The lengths of segments AB, BC, and CD are 2, 1.5, and is 2.5 ft, respectively and the diameters of the segments...
Question 4 The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of members 1, 2 and 3 as 150, 250 and 200 mm2 respectively a) Assemble the upper triangular part of the global stiffness matrix for the truss. b) Determine the horizontal and vertical displacements at node 4. c) Calculate the forces in each member of the truss. (25 marks) 20 kN 3 600 4 3 1.5m...
The plane truss is subjected to a load as shown in Figure 4. Take E = 200 GPa and cross sectional areas of members 1, 2 and 3 as 150, 250 and 200 mm2 respectively a) Assemble the upper triangular part of the global stiffness matrix for the truss b) Determine the horizontal and vertical displacements at node 4 c) Calculate the forces in each member of the truss. (25 marks) 20 kN 3 60° 4 1.5m 2 2 20m...
Homework Problem H 7.E Consider the truss shown below with the loading on joints D, K, S and U. Given: Find: For this problem: a) Determine the external reactions acting on the truss at supports A and H b) Identify all zero-force members in the truss. c) Determine the load carried by members BC, CJ and MN. Identify each member as either being in tension, in compression or carrying zero load. For this problem, use the following parameters: h 30...
Estimate the redundant force in the truss member BC as shown in the following FIGURE. The truss is subjected to a vertical load P as 50 kN. Members AB, AC, CD, and BD are 5 m long. The cross-sectional area of all members is constant. The support at A is the pin support and the support at B is the roller support. P = 50 kN Ан, B Av Ву
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