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| Author | : Roger P. Bligh |
| Publisher | : |
| Total Pages | : 70 |
| Release | : 2004 |
| Genre | : Finite element method |
| ISBN | : |
| Author | : Nauman Mansoor Sheikh |
| Publisher | : |
| Total Pages | : 77 |
| Release | : 2009 |
| Genre | : Roads |
| ISBN | : |
| Author | : Hongbing Fang |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2009 |
| Genre | : Roads |
| ISBN | : |
This report summarizes the research efforts of using finite element modeling and simulations to evaluate the performance of W-beam guardrails and cable median barriers on six-lane, 46-foot median divided freeways. A literature review is included on performance evaluation of W-beam guardrails and cable barriers as well as applications of finite element modeling and simulations in roadside safety research.
| Author | : Howie Fang |
| Publisher | : |
| Total Pages | : 87 |
| Release | : 2009 |
| Genre | : Roads |
| ISBN | : |
This report summarizes the research efforts of using finite element modeling and simulations to evaluate the performance of W-beam guardrails and cable median barriers on six-lane, 46-foot median divided freeways. A literature review is included on performance evaluation of W-beam guardrails and cable barriers as well as applications of finite element modeling and simulations in roadside safety research.
| Author | : |
| Publisher | : |
| Total Pages | : 64 |
| Release | : 1995 |
| Genre | : Highway research |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2005 |
| Genre | : Pavements |
| ISBN | : |
The main objectives of this research task were to conduct an in-depth evaluation of the single-unit truck (SUT) finite element model with respect to its ability to accurately simulate its interaction with roadside safety hardware and to identify areas of possible improvements. The model’s primary purpose is to be used as a “bullet” object for computational evaluation of roadside safety hardware. This report outlines the methodology used in evaluating, validating against experimental data and updating the FE model. A new Hypertext Markup Language (HTML)-based documentation has been developed to facilitate the model adoption and understanding of prospective users. The overall methodology used by the participants - from evaluation to validation to documentation - is outlined in this report and can be applied to other basic vehicle FE models currently available in public domain. The goal of the project was also to establish a methodology for validation and verification of the finite element models used in roadside hardware analysis so that it could be applied to other vehicle finite element models currently under development.
| Author | : National Research Council (U.S.). Transportation Research Board |
| Publisher | : |
| Total Pages | : 130 |
| Release | : 2000 |
| Genre | : Bridge railings |
| ISBN | : |
Transportation Research Record contains the following papers: Evaluation of portable concrete barriers using finite element simulation (Marzougi, D, Bahouth, G, Eskandarian, A, Meczkowski and Taylor, H); Impact performance of the G4(1W) and G4(2W) guardrail systems : comparison under NCHRP report 350 test 3-11 conditions (Plaxico, CA, Ray, MH and Hiranmayee, K); Long-span guardrail system for culvert applications (Faller, RK, Sicking, DL, Polivka, KA, Rohde, JR and Bielenberg, BW); Transitions from guardrail to bridge rail that meet safety performance requirements (Buth, CE, Menges, WL, and Bligh, RP); Performance of breakaway cable and modified eccentric loader terminals in Iowa and North Carolina : in-service evaluation (Ray, MH and Hopp, JA); Safety effectiveness of upgrading guardrail terminals to NCHRP reports 350 standards (Ray, MH); Design and development of steel breakaway posts (Sicking, DL, Rohde, JR and Reid, JD); Evaluating human risk in side impact collisions with roadside objects (Ray, MH and Hiranmayee, K); In-service, performance-based roadside design policy : preliminary insights from Washington State's bridge rail study (Shankar, VN, Albin, RB, Milton, JC and Nebergall, M); Test level 4 bridge rails (Buth, CE, Menges, WL and Williams, WF); Estimation of time of concentration for Maryland streams (Thomas, WO, Monde, MC and Davis, SR); Temporal variations in heavy metal partitioning and loading in urban highway pavement sheet flow : implications for in situ treatment design (Sansalone, JJ and Glenn, DW); California Department of Transportation statewide storm water management program (Johnston, J, Yamaguchi, H and Frankel, A).
| Author | : American Association of State Highway and Transportation Officials |
| Publisher | : AASHTO |
| Total Pages | : 275 |
| Release | : 2009 |
| Genre | : Social Science |
| ISBN | : 1560514167 |
| Author | : |
| Publisher | : |
| Total Pages | : 168 |
| Release | : 1995 |
| Genre | : |
| ISBN | : |
| Author | : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety |
| Publisher | : AASHTO |
| Total Pages | : 345 |
| Release | : 2011 |
| Genre | : Technology & Engineering |
| ISBN | : 1560515090 |
"The Roadside Design Guide presents a synthesis of current information and operating practices related to roadside safety and is written in dual units-metric and U.S. Customary. This book is a guide. It is not a standard, nor is it a design policy. It is intended to use as a resource document from which individual highway agencies can develop standards and policies. Although much of the material in the guide can be considered universal in its application, several recommendations are subjective in nature and may need modification to fit local conditions. However, it is important that significant deviations from the guide be based on operational experience and objective analysis. The 2011 edition of the AASHTO Roadside Design Guide has been updated to include hardware that has met the evaluation criteria contained in the National Cooperative Highway Research Program (NCHRP) Report 350: Recommended Procedures for the Safety Performance Evaluation of Highway Features and begins to detail the most current evaluation criteria contained under the Manual for Assessing Safety Hardware, 2009 (MASH). For the most part, roadside hardware tested and accepted under older guidelines that are no longer applicable has not been excluded in this edition." -- AASHTO website.
