The concrete walls of a one-story building with rigid roof diaphragm are 12 ft in height. All walls have the same thickn

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The Concrete Walls Of A One Story Building With Rigid Roof Diaphragm Are 12 Ft In Height All Walls Have The Same Thickn 1 (134.6 KiB) Viewed 26 times

The concrete walls of a one-story building with rigid roof diaphragm are 12 ft in height. All walls have the same thickness of 7-inches and the roof thickness is 5 inches. Consider the unit weight of concrete of 150 lb/ft? The connection between the walls and the roof is rigid. The relative rigidities for the walls are given. The center of mass (CM) coordinates (XCM & Ycm) are 50 ft and 20 ft respectively. The diaphragm was concluded to be rigid, seismic design category (SDC) B, and torsional irregularity 1b. YA N. L=100ft EW 50' CM -d=40ft WEST WALL,R 6 EAST WALL,R=10 -20 NORTH WALL,R=12 CR -R E eactual SOUTH WALL,R 8 * X 30' PLAN 7- The seismic base shear in the east-west direction was calculated and found to be 130 kips. Calculate the total seismic shear force (direct and indirect) for all 4 walls included in the given plan view.