Weidlinger Associates

Weidlinger Associates, Inc.
Corporation
Industry Civil and structural engineering, applied science
Founded Washington, DC (1949)
(as Paul Weidlinger, Consulting Engineer)
Headquarters New York, New York
Key people
 Dr. Raymond Daddazio, President and Chief Executive Officer
Number of employees
 300 (2010)
Website www.wai.com

Weidlinger Associates, Inc., is a U.S.-based structural engineering firm that designs and rehabilitates buildings, bridges, and infrastructure and provides special services in applied science, forensics, and physical security. Weidlinger’s clients include corporations, private clients, institutions, and federal, state and local governments. The firm is headquartered in New York City, with branch offices in Massachusetts, Connecticut, New Jersey, California, New Mexico, and Washington, DC. The firm also conducts business as Weidlinger Associates, Ltd., in Scotland, UK.[1]

History

Weidlinger Associates was founded by Paul Weidlinger, a graduate of the Swiss Polytechnic Institute in Zurich,[2] as Paul Weidlinger, Consulting Engineer, in Washington, DC, in 1949. The company moved its headquarters to Manhattan in 1951; was renamed Weidlinger Associates Consulting Engineers in 1974; and was incorporated as Weidlinger Associates, Inc., in Cambridge, Massachusetts, in 1982. Dr. Jeremy Isenberg succeeded Paul Weidlinger as president and CEO in 1993, and Dr. Raymond Daddazio succeeded Dr. Isenberg on January 1, 2006.[3] In 2011, the firm became a general business corporation under the laws of New York State. The firm currently employs approximately 300 people.

Merger with Thornton Tomasetti

On September 8th, 2015 it was announced that Weidlinger Associates had merged with structural engineering firm Thornton Tomasetti. [4]

Operations

The firm has three business units: Transportation, Buildings, and Applied Science & Investigations, which encompasses investigations, security, and the FLEX family of software products, including PZFlex for virtual prototyping.

Transportation

Much of Weidlinger’s experience in transportation and bridge engineering reflects the rehabilitations the company has designed in the New York metro area for the Brooklyn, Manhattan, RFK (Triborough), Bronx-Whitestone, and Tappan Zee Bridges. The firm’s work on these historic structures has broadened Weidlinger’s expertise in correcting original defects and preventing future fatigue. Weidlinger has also worked on other major bridges including the Walt Whitman Bridge, Benjamin Franklin Bridge, Cooper River Bridges, Richmond - San Rafael Bridge, Iowa DOT I-74 Bridges, Red River Bridge, and Victory Bridge (New Jersey). The company also designed the steel deck sections of the self-anchored suspension span of the San Francisco-Oakland Bay Bridge. In 2004, Ronald Mayrbaurl and Sante Camo, two Weidlinger principals, published the first-ever guidelines for the inspection and evaluation of suspension bridge cables.[5]

Buildings

Weidlinger’s buildings practice specializes in the design of structural systems for courthouses, embassies, laboratories, museums, office headquarters, stadiums, and other buildings in the U.S. and abroad.[6] A pioneer in high-rise, long-span, cable, and fabric structures,[7][8][9][10] the firm is known for producing quality structural designs that offer economical protection against the consequences of earthquakes, hurricanes, and explosions.[11] Weidlinger uses advanced analysis to optimize structural systems, resolve interdisciplinary conflicts, and guard the safety and comfort of users.

Applied Science

The company’s work in applied science research and advanced analysis has resulted in investigative projects concerning the safety of tall buildings,[12] infrastructure, and military installations, as well as mathematical models to explore shielding naval vessels against mine explosions and protecting loading docks against blast. Weidlinger’s software is used by military, public administrative, and corporate clients to simulate structures and devices, enhance design, and assess vulnerability. Some programs combine the effects of several load types.[13] Others use imaging techniques to improve the manufacture of integrated circuits, predict the location of underground petroleum reservoirs, and streamline the design of ultrasonic probes for medical use.[14]

Awards and Recognition

Founder Paul Weidlinger[15] and five Weidlinger principals—Melvin Baron, Matthys Levy, Herbert Rothman, Mario Salvadori and Jeremy Isenberg—have been elected as members of the National Academy of Engineering. In 1987, the Franklin Institute awarded Paul Weidlinger the Frank P. Brown Medal. In 2004, Weidlinger Associates was awarded the American Council of Engineering Companies' Grand Conceptor Award for its comprehensive study of the World Trade Center tower collapses.[16] More than 150 Weidlinger projects have received awards for engineering excellence, technical innovation, and creative design.[17] The firm has also been awarded numerous U.S. Small Business Innovation Research grants and Small Business Technology Transfer grants by the U.S. Small Business Administration's Office of Technology, including a Tibbetts Award for advancing technological innovation with PZFlex Software.[18]

Notable projects

In progress

Completed

References

  1. ↑ http://www. wai.com/offices.aspx
  2. ↑ “ASCE News – Moisseiff Award,” Civil Engineering – ASCE, (Oct. 1975): 98.
  3. ↑ http://www.wai.com/history.aspx
  4. ↑ https://www.thorntontomasetti.com/weidlinger_associates_thornton_tomasetti_merger/
  5. ↑ Ronald Mayrbaurl and Santo Camo, Guidelines for Inspection and Strength Evaluation of Suspension Bridge Parallel-Wire Cables (Washington, DC: Transportation Research Board National Research Council, 2004).
  6. ↑ http://www.wai.com/projects.aspx?type=100
  7. ↑ Matthys Levy, “Floating Fabric over Georgia Dome,” Civil Engineering (Nov. 1991): 34-37.
  8. ↑ Matthys Levy, “Double Domed,” Civil Engineering (Apr. 2000): A2-A4.
  9. ↑ Matthys Levy, “The Innovation of Lightness,” Bulletin of the International Association for Shell and Spatial Structures, Vol. 35, Number 2 (1994): 77-84.
  10. ↑ Matthys Levy, “New Approaches to Long-Span Structures,” Architecture (Mar. 1987): 90-91.
  11. ↑ http://www.wai.com/pressrelease.aspx?id=104
  12. ↑ Najib Abboud, Matthys Levy, Darren Tennant, John Mould, Howard Levine, Stephanie King, Chukwuma Ekwueme, Anurag Jain, and Gary Hart, "Anatomy of a Disaster: A Structural Investigation of the World Trade Center Collapses," Proceedings of ASCE 3rd Forensic Congress (San Diego, October 19–21, 2003).
  13. ↑ Can C. Simsir, Anurag Jain, Alexis P. Dumortier, and Gary C. Hart, "Design Performance of a Mid-Rise Reinforced Masonry Building Subjected to Unanticipated Loads," Proceedings of The Masonry Society Tenth North American Masonry Conference (St. Louis, June 2007).
  14. ↑ http://www.pzflex.com/applications.aspx
  15. ↑ Matthys Levy, "Paul Weidlinger," National Academy of Engineering of the United States of America Memorial Tributes, vol. 12 (Washington, DC: National Academies Press, 2008), 329-331.
  16. ↑ http://www.acec.org/publications/newsreleases/pr032104.pdf
  17. ↑ http://www.wai.com/awards.aspx
  18. ↑ http://www.wai.com/pressrelease.aspx?id=87
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