About the author  ⁄ Donald O. Dusenberry, P.E., SECB, F.SEI, F. ASCE

Donald Dusenberry is Chair of the ASCE 59 Committee (donalddusenberry@gmail.com).

Revisions to ASCE/SEI 59

The events of 9/11 changed many owners’ perceptions of the risk to their facilities. Their fear of malicious threats thrust practicing structural engineers into an unfamiliar role. As a result, structural engineers needed to learn how to quantify and analyze for blast effects as they assisted their private clients with the evaluation of threats to their facilities and the means to provide prudent, reasonable, and effective resistance. In response, the Structural Engineering Institute (SEI) of the American Society of Civil Engineers (ASCE) developed a new standard, ASCE/SEI 59 Blast Protection of Buildings (ASCE 2011), describing how engineers could design blast resistance into structures.

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We, as structural engineers, often find ourselves confined by a situation we created for ourselves. We operate in a design environment with easy access to information, have the ability to collect and analyze extensive data, and have access to robust and reliable analysis and design software. Nevertheless, prescriptive codes and standards we have developed prevent us from fully leveraging these capabilities. As we face multiple goals for our designs – safety, economy, serviceability, sustainability, and robustness – we can be constrained to follow a prescriptive path to a solution that often does not optimally satisfy any of them.
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Among its many activities, the SEI Board of Governors (the Board) is engaged in long-term strategic planning. Over the past few years, as part of the planning, the Board has met, conducted surveys, and formed task committees to study specific initiatives. In October 2013, one of the task committees issued A Vision for the Future of Structural Engineers and Structural Engineering: A Case for Change, a Vision for the Future Report that focuses on leadership and innovation skills (www.asce/SEI). Based in part on that report, in April 2014 the Board advanced several initiatives.
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