A Plastic Design Method for RC Moment Frame Buildings against Progressive Collapse | Zendy

Hadi Faghihmaleki | Zendy

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A Plastic Design Method for RC Moment Frame Buildings against Progressive Collapse

Author(s) -

Hadi Faghihmaleki

Publication year - 2017

Publication title -

makara journal of technology

Language(s) - English

Resource type - Journals

eISSN - 2356-4539

pISSN - 2355-2786

DOI - 10.7454/mst.v21i1.3073

Subject(s) - progressive collapse , structural engineering , moment (physics) , work (physics) , frame (networking) , plastic hinge , nonlinear system , virtual work , reinforced concrete , computer science , engineering , mechanical engineering , physics , finite element method , classical mechanics , quantum mechanics

In\udthis study, progressive collapse potential of generic 3-, 8- and 12-storey RC\udmoment frame buildings designed based on IBC-2006 code was investigated by\udperforming non-linear static and dynamic analyses. It was observed that the\udmodel structures had high potential for progressive collapse when the second\udfloor column was suddenly removed. Then, the size of beams required to satisfy\udthe failure criteria for progressive collapse was obtained by using the virtual\udwork method; i.e., using the equilibrium\udof the external work done by gravity load due to loss of a column and the\udinternal work done by plastic rotation of beams. According to the nonlinear\uddynamic analysis results, the model structures designed only for normal load\udturned out to have strong potential for progressive collapse whereas the structures\uddesigned by plastic design concept for progressive collapse satisfied the\udfailure criterion recommended by the GSA code.

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