828_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

828_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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822 CHAPTER 10 Statically Indeterminate Beams Solution 10.4-13 Beam supported by a beam Let R B interaction force between beams Select R B as the redundant. R ELEASED STRUCTURE AND FORCE - DISPL . EQS . C OMPATIBILITY Substitute and solve: S YMMETRY AND EQUILIBRIUM (minus means downward) B EAM ABC : B EAM DE : M max PL 2 ; M max M B 5 PL 17 M max M B PL 2 M A R B a L 2 b PL 3 PL 17 ; R A P R D R E 23 P 17 ; R D R E R B 2 20 P 17 ; R B 40 P 17 ; ( d B ) 1 ( d B ) 2 ( d B ) 3 Problem 10.4-14 A three-span continuous beam ABCD with three equal spans supports a uniform load of intensity

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