Essay On World Trade Center Collapse

Summary
This interim report details the work so far completed, for the 3rd year project entitled ‘World Trade Center collapse – Investigation into the collapse sequence’. The said project is almost at its midpoint, and therefore allows for a balanced analysis of the Project, and how successful it has proved so far. This report succeeds the ‘Project Proposal’, which may be referred to at points in this up to date report. Some sections found in the ‘Project Proposal’ have been reviewed in this document, in conjunction to this, new sections have been introduced such as results to date. It is hoped that in that this report will give a clear and concise illustration to the reader as to how this project has gone so far, and the direction the…show more content…
The four main Structural Subsystems were as such: Exterior columns taking vertical loads, Interior core Columns which carried vertical loads through the core and protected lift shafts, Composite Truss system which allowed for larger areas of floor space to be created between the exterior columns and the core, and the Hat Truss on top of both WTC1 and WTC2 designed to redistribute the load applied on top of the respective roofs’ through the columns more equally (McAllister, Sadek, Gross, Averill,