Determine the design seismic forces acting at each floor of the six-story office building in Figure 2.22.

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Determine the design seismic forces acting at each floor of the six-story office building in Figure 2.22. The structure of the building consists of steel moment frames (all joints are rigid) that have an R value of 8. The 75-ft-tall building is located in a high seismic region with SD1 = 0.4g and SD1 = 1.0g for a building supported on rock, where g is the gravitational acceleration. The deadweight of each floor is 700 kips.

Figure 2.22

5 @ 12' = 60 S 15' height (ft) (a) 44.6 32.3 20.8 10.1 57.4 70.8 20 40 60 80 force (kips) (b) roof 6th floor

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Fundamentals Of Structural Analysis

ISBN: 9780073398006

5th Edition

Authors: Kenneth Leet, Chia-Ming Uang, Joel Lanning

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