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Unformatted text preview: s ). Draw the strength interaction diagram in the P n M n coordinate system as shown in the figure by plotting points corresponding to ( i ) case (d), ( ii ) e=2e b , ( iii ) e=e b , ( iv ) e=0.5 e b , ( v ) case (c) and ( vi ) M n =0 (i.e. concentric load). Join these points sequentially using straight lines as shown. For each point determine the strength reduction factor and determine P n and M n and also plot these paired values P n , M n to obtain the design interaction diagram by connecting them with straight dashed lines. The material properties are f c '=4 ksi, f y =60 ksi. The column has four # 11 bars that are arranged as shown. crosssection M n ,P n strength interaction diagram and M n , P n design interaction diagram to be drawn and points labeled with the appropriate values of M n ,P n .and M n , P n . Strength and Design Interaction Diagrams for a BeamColumn...
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 Spring '09

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