Discussions and Closures
Sep 14, 2012

Discussion of “Why the Observed Motion History of World Trade Center Towers Is Smooth” by Jia-Liang Le and Zdeněk P. Bažant

Publication: Journal of Engineering Mechanics
Volume 138, Issue 10
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Acknowledgments

The discusser would like to thank physicist Dr. Timothy Eastman for helpful discussions.

References

Banovic, S. W., et al. (2007). “The role of metallurgy in the NIST investigation of the World Trade Center towers collapse.” JOM, 59(11), 22–30.
Bažant, Z. P. (2000). “Structural stability.” Int. J. Solids Struct., 37(1-2), 55–67.
Bažant, Z. P., and Le, J. L. (2008). “Closure to ‘Mechanics of progressive collapse: Learning from World Trade Center and building demolitions’ by Z. P. Bažant and M. Verdure.” J. Eng. Mech., 134(10), 917–923.
Bažant, Z. P., Le, J.-L., Greening, F. R., and Benson, D. B. (2008). “What did and did not cause collapse of World Trade Center Twin Towers in New York?” J. Eng. Mech., 134(10), 892–906.
Bažant, Z. P., and Verdure, M. (2007). “Mechanics of progressive collapse: Learning from World Trade Center and building demolitions.” J. Eng. Mech., 133(3), 308–319.
Bjorkman, A. (2010). “Discussion of ‘What did and did not cause collapse of World Trade Center Twin Towers in New York?’ by Z. P. Bažant, J.-L. Le, F. R. Greening, and D. B. Benson.” J. Eng. Mech., 136(7), 933–934.
Gourley, J. R. (2008). “Discussion of ‘What did and did not cause collapse of World Trade Center Twin Towers in New York?’ Z. P. Bažant and M. Verdure.” J. Eng. Mech., 134(10), 915–916.
Grabbe, C. L. (2008). “Response to NIST on energy and momentum.” J. 9/11 Stud., 3(1), 1, 〈http://www.journalof911studies.com/letters/g/GrabbeToNISTenergyMomentum.pdf〉.
Grabbe, C. L. (2010). “Discussion of ‘Progressive collapse of the World Trade Center: A simple analysis’ by K. A. Seffen.” J. Eng. Mech., 136(4), 538–539.
Hoffman, J. (2003). “The North Tower’s dust cloud: Analysis of energy requirements for the expansion of the dust cloud following the collapse of 1 World Trade Center.” 〈http://911research.wtc7.net/papers/dustvolume/volume.html〉(Oct. 16, 2003).
Ikeda, K., and Sekizawa, A. (2005), “Collapse mechanism of the Windsor Building by fire in Madrid and the plan for its demolition process.” Proc., Int. Workshop on Emergency Response and Rescue,〈http://ncdr.nat.gov.tw/iwerr/doc/pdf/S12%20PDF/s12-1.pdf〉 (Jul. 10, 2012).
Le, J.-L., and Bažant, Z. P. (2010). “Closure to ‘What did and did not cause collapse of World Trade Center Twin Towers in New York?’ by Z. P. Bažant, J.-L. Le, F. R. Greening, and D. B. Benson.” J. Eng. Mech., 136(7), 934–935.
MacQueen, G., and Szamboti, T. (2009). “The missing jolt: A simple refutation of the NIST-Bazant collapse hypothesis.” J. 9/11 Stud., 4(1), 1–27.

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Go to Journal of Engineering Mechanics
Journal of Engineering Mechanics
Volume 138Issue 10October 2012
Pages: 1298 - 1300

History

Received: May 31, 2011
Accepted: Aug 11, 2011
Published online: Sep 14, 2012
Published in print: Oct 1, 2012

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Crockett Grabbe
Applied Physicist, SeaLane Research & Consulting, 11307 Eubank Dr., Austin, TX 78758. E-mail: [email protected]

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