Progressive Collapse Resistant Design

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Transcript Progressive Collapse Resistant Design

‫خرابی پیشرونده و طراحی مقاوم‬
‫سازه ها در برابر آن‬
‫‪Progressive Collapse Resistant‬‬
‫‪Design of Structures‬‬
‫كريم عابدي‬
Part 2
‫‪(Local‬موارد وقوع شکست محلی‬
‫)‪Fracture‬‬
‫و انتشار آن‬
LOCAL FRACTURE
Earthquakes
Northridge ground motions. 1994
Mechanism types.
Dynamic analysis using
Improved Applied Element
Method
IAEM
(Elkholy, Meguro, 2005)
Progressive Collapse of a building during the
Kobe earthquake, 1995
Dynamic analysis using
IAEM
(Elkholy, Meguro, 2005)
Progressive collapse of a
intermediate storey
during the Kobe earthquake, 1995
Taiwan earthquake 1999
COLLISION OF TWO STRUCTURES
Applied Element Method, AEM – Hatem Tagel – Din 2002
Elevation of Crabtree Sheraton Hotel
Initial Crabtree Sheraton Hotel Model
10
Inaccuracy
Comparison of Continuity in Crabtree Sheraton Hotel Model
11
12
13
EXPLOSIONS
Inner explosion – ROMAN POINTBUILDING, England 1968
Vehicle Impact
Collapse of the corner of a building in New York,
due to a vehicle impact. (Allen and Schiever 1972)
OUTSIDE EXPLOSION – TERRORIST BLAST
MURRAH FEDERAL BUILDING,
OKLAHOMA CITY,PREIOR TO BLAST
KHOBAR TOWERS – SAUDI ARABIA, 1996
place of explosion
Catenary effect
Collapse mechanism