WORLD TRADE CENTER

1
WORLD TRADE CENTER

• Dennis Boothe
• Jesse Hindle

2
History of the WTC

• Designed by Minoru Yamasaki
• Engineer Leslie Robertson
• Officially opened in 1973
• Owned by the Port Authority of NY NJ
• Cost 1.5 billion

3
Purpose of WTC Design

• Aim Revitalize Downtown Manhattan through
  providing a single location for international
  commerce
• -12 million sq. feet of office space
• (40,000 sq. ft per floor)

4
Response to WTC Design

• Small businesses displaced, creating dissent
• Local Real Estate Agencies too much office
  space offered
• Critics -Purposeless gigantism technological
  exhibitionism
• - Repetitive architecture can put you
  to sleep

5
Construction of the WTC

• Used the slurry trench method

6
Construction of the WTC

• Tube Building
• - Core and Exterior wall instead of columns
  throughout

7
9/11 Attacks Reasons for Failure

• Plane impact was not the main reason for collapse
• Engine fuel caused temperatures of over 1500
  degrees F, weakening the structure.

8
Failure of Perimeter Columns

• Structural integrity of WTC depends on closely
  space columns around perimeter
• Steel strength fell as exposed to heat
• -gt columns deflections increased, causing
  buckling of walls

9
1st Runner up New WTC

• THINK Team
• -Rafael Vinoly
• Frederic Schwartz
• -Two towers made of decorative steel towers
• -light and elegant design

10
New WTC Designs

• Design by Daniel Libeskind
• Main features
• 1,776 ft Freedom Tower
• WTC Memorial Museum
• Wedge of Light