Consider the plane frame structure shown in the figure below. The rotational springs attached to the...
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Consider the plane frame structure shown in the figure below. The rotational springs attached to the members represent a partially rigid foundation. A concentrated force and a moment are applied as indicated. Taking advantage of structural symmetry, analyze the structure by the direct stiffiness method. Clearly indicate the units used. Do NOT Neglect the axial deformation of the members. 20 kip 3 kip ft 0.4k/ft 6ft 1.34x10 kip tt/rad 1.34x10* kip-ft/rad Young's modulus of the beam elements is E = 29,000 ksi. The moment of inertia of the beam elements is I. - 200 in", The cross-sectional area of the beam elements is A- 25 in. The stiffness coefficient of the rotational spring element is ku - 1.34*10ʻ kip-fi'rad. i) Decompose the external loads to symmetric and anti-symmetric components. Draw % structures for symmetric und anti-symmetric loading components. (Clearly indicate ii) the boundary conditions for each case on the plane of symmetry) iii) With the symmetric component, analyze the left of the structure a. Compute nodal displacements and rotations b. Compute member end forces for frame and rotational spring element c. Compate reactions d. Draw the shear fore and bending moment diagrams for the entire structure With the anti-symmetric component, analyze the left % of the structure a Compute noodal displacements and rotations b. Compute member end forces for frame and rotational spring element c. Compute reactions d. Draw the shear force and bending moment diagrams for the entire structure iv) Using the principle of superposition and the results of (ii) and (iv), analyze the entire structure with the original loads. a Draw the shear force and bending moment diagrams for the entire structure b. Sketch the deflection of the entire structure Consider the plane frame structure shown in the figure below. The rotational springs attached to the members represent a partially rigid foundation. A concentrated force and a moment are applied as indicated. Taking advantage of structural symmetry, analyze the structure by the direct stiffiness method. Clearly indicate the units used. Do NOT Neglect the axial deformation of the members. 20 kip 3 kip ft 0.4k/ft 6ft 1.34x10 kip tt/rad 1.34x10* kip-ft/rad Young's modulus of the beam elements is E = 29,000 ksi. The moment of inertia of the beam elements is I. - 200 in", The cross-sectional area of the beam elements is A- 25 in. The stiffness coefficient of the rotational spring element is ku - 1.34*10ʻ kip-fi'rad. i) Decompose the external loads to symmetric and anti-symmetric components. Draw % structures for symmetric und anti-symmetric loading components. (Clearly indicate ii) the boundary conditions for each case on the plane of symmetry) iii) With the symmetric component, analyze the left of the structure a. Compute nodal displacements and rotations b. Compute member end forces for frame and rotational spring element c. Compate reactions d. Draw the shear fore and bending moment diagrams for the entire structure With the anti-symmetric component, analyze the left % of the structure a Compute noodal displacements and rotations b. Compute member end forces for frame and rotational spring element c. Compute reactions d. Draw the shear force and bending moment diagrams for the entire structure iv) Using the principle of superposition and the results of (ii) and (iv), analyze the entire structure with the original loads. a Draw the shear force and bending moment diagrams for the entire structure b. Sketch the deflection of the entire structure
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Ans 5KNm 13m 5m 13m 13m Sim B 2 m 6m 6 m 0 fan 22620 12m 12m B C S5212 1... View the full answer
Related Book For
College Algebra Graphs and Models
ISBN: 978-0321845405
5th edition
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
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