A new mixture of concrete has been developed to decrease the damage done in bomb attacks. This mix was used in the construction of the One World Trade Center in Lower Manhattan, Science Daily reports.
The danger posed by explosions to buildings is mainly in the debris that comes loose and goes flying. Traditional concrete is brittle, meaning that an explosive force can easily tear off chunks and fling them into the air.
This new concrete mix, developed by Dr. Stephan Hauser, Managing Director of Ducon Europe GmbH & CoKG, actually deforms instead of breaking. Very hard high-performance concrete is combined with finely-meshed reinforced steel, and when a certain threshold of pressure is exerted on the concrete, the steel ruptures and the shock is distributed uniformly throughout the concrete.
A new computational formula is what makes this possible. Researchers have developed a universal formula which allows them to rapidly compute the required thickness of the concrete for each specific application.
This formula was used in the application of the concrete to the One World Trade Center. The tower rests on a 20-story, bombproof foundation, and has "safety concrete" at vulnerable points, according to Science Daily.
Related Stories
| May 29, 2012
Thornton Tomasetti/Fore Solutions provides consulting for Phase I of Acadia Gateway Center
Project receives LEED Gold certification.
| May 24, 2012
2012 Reconstruction Awards Entry Form
Download a PDF of the Entry Form at the bottom of this page.
| May 24, 2012
Gilbane’s Spring 2012 economic report identifies multiple positive economic and market factors
Anticipating increasing escalation in owner costs through 2014.
| May 24, 2012
Construction backlog declines 5.4% in the first quarter of 2012?
The nation’s nonresidential construction activity will remain soft during the summer months, with flat to declining nonresidential construction spending.
| May 23, 2012
MBI Modular Construction Campus Launched on BDCUniversity.com
White Papers, Case Studies, Industry Annual Reports, published articles and more are offered.
| May 23, 2012
McRitchie joins McCarthy Building as VP, commercial services in southern California
McRitchie brings more than 18 years of experience in the California construction marketplace.
| May 21, 2012
$61,000 awarded to students in Cleveland’s ACE Mentor Program
Mayor Frank G. Jackson gives keynote address at scholarship event for 80 Cleveland Metropolitan School District students involved in the ACE Mentor Program, which provides guidance and assistance for students interested in careers in the integrated construction industry.
| May 21, 2012
Wayne, Pa.'s Radnor Middle School wins national green award
Radnor Middle School among the most sustainable schools in the U.S.
| May 21, 2012
Winchester High School receives NuRoof system
Metal Roof Consultants attended a school board meeting and presented a sloped metal retrofit roof as an alternative to tearing off the existing roof and replacing it with another flat roof.
| May 17, 2012
EMerge Alliance forms new Campus Microgrid Technical Standards Committee
Intel leading the charge to connect multiple DC microgrids throughout commercial buildings; others invited to join effort.
