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Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

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Page 1: Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

Page 2: Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

Page 3: Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

Page 4: Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

1

Page 5: Response Spectrum Method for MDOF System

Response Spectrum Method for MDOF System

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Response Spectrum Method for MDOF System

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Modal Combination Rules

Response Spectrum Method for MDOF System

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Response spectra of El-Centro, 1940 earthquake ground motion.

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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Example 2

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ASSIGNMENT

A two-story building in Lahore is modeled as 2-DOF system and rigid floors on stiff soil as shown in the Figure. Determine the top floor maximum displacement and base shear using UBC-97 response spectra. Take the inter-story stiffness, k =200× 103 N/m and the floor mass, m = 2500 kg.

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UBC Design Response Spectra

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