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Development Of A Next Generation Non Proprietary Portable Concrete Barrier

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Development Of A Next Generation Non Proprietary Portable Concrete Barrier

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Author : Riley J. Ruskamp
language : en
Publisher:
Release Date : 2022

Development Of A Next Generation Non Proprietary Portable Concrete Barrier written by Riley J. Ruskamp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.

Portable concrete barriers (PCBs) are segmented barriers made of precast concrete units that are connected by various load-bearing hardware. PCBs are typically used to shield work zones by redirecting errant vehicles upon impact with the barrier system. Most commonly-available PCBs have demonstrated performance issues arising from the sloped face of the barrier, which encourages vehicles to pitch and roll during impact, potentially resulting in vehicle rollover. Concerns also exist regarding the large dynamic deflections exhibited by these systems that can encroach upon the protected work zone or require anchoring to prevent large displacements. In addition to these concerns, the American Association of State Highway and Transportation Officials (AASHTO) updated the Manual for Assessing Safety Hardware (MASH) in 2016, which improved the criteria for evaluating roadside safety devices and required the re-evaluation of barrier systems developed before the updated standards were published. Thus, an opportunity existed to develop a next-generation PCB system capable of meeting the new MASH 2016 criteria while addressing the concerns of the current generation of PCBs. The objective of this research effort funded by the Mid-America Transportation Center (MATC) was to further develop and investigate PCB concept designs that were brainstormed under a parallel research effort at the Midwest Roadside Safety Facility (MwRSF) funded by the Wisconsin Department of Transportation. This research consisted of the development of finite element models of the PCB design concepts for use in LS-DYNA simulations, followed by the comparison of the simulation results to a current PCB system that has been previously modeled and validated. The simulation analysis identified three PCB concepts as viable designs, while three other PCB concepts were not recommended based on the simulation performance. Upon completion of the simulation analysis, the simulation results of the six PCB concepts were presented to Midwest Pooled Fund Program member states. Finally, a single concept, that used interlocking and staggered precast concrete segments without the need for connection hardware, was selected for further design and full-scale crash testing in the next phase of the research.

Popular Mechanics

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Author :
language : en
Publisher:
Release Date : 2000-01

Popular Mechanics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01 with categories.

Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.

Popular Science

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Author :
language : en
Publisher:
Release Date : 2007-08

Popular Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08 with categories.

Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.

Bulletin Of The Atomic Scientists

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Author :
language : en
Publisher:
Release Date : 1970-06

Bulletin Of The Atomic Scientists written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970-06 with categories.

The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Engineers Bulletin

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Author : Colorado Society of Engineers
language : en
Publisher:
Release Date : 1919

Engineers Bulletin written by Colorado Society of Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1919 with Engineers categories.

Popular Science

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Author :
language : en
Publisher:
Release Date : 2002-12

Popular Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-12 with categories.

Bulletin Of The Atomic Scientists

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Author :
language : en
Publisher:
Release Date : 1966-06

Bulletin Of The Atomic Scientists written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966-06 with categories.

Government Reports Announcements Index

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Author :
language : en
Publisher:
Release Date : 1993

Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Science categories.

Argentina Business

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Author : James L. Nolan
language : en
Publisher:
Release Date : 1996

Argentina Business written by James L. Nolan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Business & Economics categories.

An enclyclopedic view of doing business with Argentina. Contains the how-to, where-to and who-with information needed to operate internationally.

Popular Mechanics

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Author :
language : en
Publisher:
Release Date : 2000-01

Popular Mechanics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01 with categories.

Development Of A Next Generation Non Proprietary Portable Concrete Barrier

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