32 Problem 3.5 Draw the displacement spectrum with ductility p=4 at a site 15 km away from the source, on stiff soil and

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32 Problem 3 5 Draw The Displacement Spectrum With Ductility P 4 At A Site 15 Km Away From The Source On Stiff Soil And 1 (34.46 KiB) Viewed 9 times

32 Problem 3.5 Draw the displacement spectrum with ductility p=4 at a site 15 km away from the source, on stiff soil and subjected to an earthquake of magnitude M=6.5. What options are available to the designer if it is deemed necessary to decrease the displacement demand imposed on the structure below the value implied by the above spectrum, if the fundamental periods of vibration are about 1.7 and 3.0 seconds? For the inelastic displacement spectrum, assume a viscous damping of 0.5%.