WIT Press


Developments In The Prediction Of Dynamic Collapse

Price

Free (open access)

Volume

35

Pages

10

Published

1998

Size

1,340 kb

Paper DOI

10.2495/SU980161

Copyright

WIT Press

Author(s)

E. Yarimer & C.D. Brown

Abstract

The paper describes a video monitoring programme on an actual explosive demolition event, in which interior views of a collapsing storey were obtained. This exercise demonstrated the extent and the distribution of shear distortions across a typical floor. In addition, the paper outlines a calculation method for the motion prediction of a rigid block simulating the upper storeys of a building under collapse, in a mode which involves limited toppling coupled with the vertical fall. The proposed analysis involves very few degrees of freedom. Inelastic behaviour and unloading are accounted for. 1 Introduction In densely built-up areas the demolition of a tall block by explosives has to be planned as a predominantly vertical fall, in order to keep the spread of debris to a minimum. Most projects of that type have achieved shearing defor

Keywords



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