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SDOF ANALYSIS METHODOLOGY FOR BLAST LOADING OF COLD FORMED LIGHT-GAGE METAL ROOF TRUSSES

Cold formed light-gage metal trusses are a commonly used structural roof system in conventionally constructed buildings because of their architectural versatility, low cost, material efficiency, and wide range of possible spans. These…

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FHWA-HIF-17-032 Bridge Security Design Manual

The FHWA Bridge Security Design Manual provides structural engineers, planners, owners and others effective strategies to design highway bridge systems that are resilient against terrorist threats.  These threats have been a growing…

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NCHRP Report 645 Blast Resistant Highway Bridges: Design and Detailing Guidelines

The possibility of terrorism against bridges is an ever-increasing threat in today’s society. There is a need to protect the nation’s bridges from intentional or accidental explosions. The impacts of these loads on…

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Coupled Glass and Structure Response of Conventional Curtain Walls subjected to Blast Loads

Failure of blast-loaded building facades and window systems cause many of the injuries reported after bombing events and accidental explosions such as the 1995 Oklahoma City Bombing, the 2011 Oslo Regjeringskvartalet Bombing,…

Publication

Bolted Connection Modeling in LS-DYNA for Large Vehicle Models

As part of the United States Marine Corps (USMC) Mitigation of Blast Injuries through Modeling and Simulation project, Protection Engineering Consultants performed numerical and experimental investigations to develop modeling approaches for bolted…

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Comparison of Strategies for Landmine Modeling in LS-DYNA with Sandy Soil Material Model Development

As part of the United States Marine Corps (USMC) Mitigation of Blast Injuries through Modeling and Simulation project, Protection Engineering Consultants investigated and compared a range of landmine modeling strategies in LS-DYNA. …

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Enhancing the Security of U.S. Highway Bridges; SEAoT Structural Engineer – Winter 2016

Over the last decade, Protection Engineering Consultants (PEC) has been on the forefront of research and development efforts focused on new bridge security technology, protective design guidance and novel protective system development.…

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Modeling of Landmine Loading of Armored Vehicles and Extension to Field Testing Assessment

David Stevens, Ph.D., P.E. and Matt Barsotti published a new technical paper which advances the state-of-the-art in modeling shock-loaded soil and investigates the effects of test site conditions on the impulse that is applied to the vehicle.

Publication

Computational Evaluation and Mitigation of Wind-Driven Missile Impact against Condensate Storage Tanks and Associated Piping Connections

In responding to the United States (U.S.) Nuclear Regulatory Commission’s Order EA-12-049 Issuance of Order to Modify Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events, many of the operating…

Publication

Chuck Oswald, 2016 ISIEMS: Testing and Analysis of Connections for Blast-Loaded Precast Panels

This paper presents and discusses response of connections for precast concrete panels subject to blast loads in arena tests and shock tube tests. This analysis, and most of the tests, were sponsored…

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