Building Security

External building security seems to have taken on added significance since the 2001 strike against the World Trade Center in New York city by terrorists that flew airplanes into the two buildings that resulted in their complete decimation. As one recent study determined, however, there are modern remedies that help against future attacks of similar nature. One study in particular determined that "Ultra-high-performance concrete (UHPC) is particularly suitable for application in aircraft-impact-resistant high-rise buildings for combined load-bearing and protective structures" (Noldgen, Fehling, Riedel, Thoma, 2012, pp. 358). There are more concerns however in developing and maintaining security than just worrying about an airplane (or other missile) being used against a building for terrorism and mayham.

One of the concerns may include the access points to the building that may be vulnerable to entry by those who seek to control or damage the building. As the book reminds us...
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