The World Trade Center Towers – Stability Under Stress

Type :

Presentation

Pages :

4 pages

Format :

.doc

Published date :

04/14/2008

Category :

History & geography

Sub category :

Modern history

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Summary :

Introduction
The towers construction
1. The difference between the roofs of WTC 1 and WTC 2
2. The rectangular service core
3. The floors of WTC 1 and 2 outside of the central core
4. Columns that supported the floors
The failures that culminated in the total collapse of each of the towers
1. The potential energy in the floor members
The colapse of WTC 7
Conclusion
Works referenced

Abstract

The world trade center towers, hereafter referred to as WTC 1 and WTC 2, were regarded as revolutionary when they were constructed in the late 1960s. Within the next two decades, five additional buildings were constructed in the world trade center Plaza. Among these was world trade center 7 (WTC 7) built in 1985 located north of WTC1 and WTC 2 across Vesey Street. The structural systems incorporated in the 110-story towers designed by Minoru Yamaski & Associates were unique, the process of construction was the first of its type, and the vertical fenestrations that adorned the skyscrapers aided in the towers' structural system and were very aesthetic. WTC 1 even garnered the title of world's tallest building upon its completion. Tragically, the towers have also come to be known as the site of the largest loss of life from any single building event in United States history. This report will focus upon the structural design, the transference of vertical and lateral loads, and the failure mechanisms of WTC 1, WTC 2, and WTC 7.