CIVL4122/6122: Structural Analysis II Homework 5 Instructor: Dr. Adel E. Abdelnaby, P.E. Department of Civil Engineering University of Memphis Email solution files to bdelnaby@memphis.edu On April 26 before 11:59 pm Name: ……………………………………………. U: …………………….. 1/4 Problem 1 (25%) 2/4 Use the generalized stiffness method to determine the joint displacement and member forces for the shown truss. Cross sectional areas (cm2) are shown on each member and E = 20,000 KN/cm2. 3 m 4 m 160 KN 120 KN 20 15 Problem 2 (35%) 3/4 60 KN 40 KN 20 KN/m 40 KN 60 KN 2 m 2 m 2 m 12 m 4I 2I 2I 2 m 2 m 2 m Use the generalized stiffness method to determine the joint displacements for the shown beam due to the specified loading conditions. then, draw the corresponding diagrams for internal forces. EI = 200,000 KN-m2 for beams and k = 10,000 KN/m for elastic supports. Problem 3 (40%) 4/4 Use the generalized stiffness method to determine the joint displacements for the shown frame due to the specified loading conditions. then, draw the corresponding diagrams for internal forces. EI = 200,000 KN-m2 for beams. 20 KN/m 60 KN 60 KN 3 m 3 m 3 m 5 m 4 m

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