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The problem of structural progressive collapse has been investigated using a real-scale reinforced concrete flat-slab frame building, which has survived collapse after two of its central columns had been physically destroyed.
The results revealed that 70% of the plate/beam bridges, 64% of the closed slab-frame bridges, and 41% of the open slab-frame bridges are expected to not fulfill the requirement on the maximum bridge deck acceleration for ballasted tracks.
The building has survived two major seismic events San Fernando Valley in 1971, and Loma Prieta 1989 only by slab column framing action.
Flexural moment is the most dominant straining action in many of the reinforced concrete elements such as beams, slabs, and frames.
The chapter elaborates the basic concepts related to a building's shell and frame, slab on grade, and interior construction.
(2), (3) and (4), the progressive collapse resistance of frame slabs is 14.9 kN.
Open image in new window Fig. 14 Analytical diagram for tensile membrane action of frame slabs.
A similar phenomenon was found in the transverse direction of the frame slabs.
Thus, the model of the progressive collapse resistance of frame slabs is proposed as shown in Fig. 14.
Substituting the value of ( v ), the geometric dimensions and the properties of steel bars of the frame slabs into Eqs.
Moreover, it can be found that the progressive collapse resistance of frame slabs is 26.4%% of the progressive collapse resistance of the whole frame structure.
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CEO of Professional Science Editing for Scientists @ prosciediting.com