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Author :
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (1 download)
Download or read book Improving Highway Safety at Bridges on Local Roads and Streets written by and published by . This book was released on 1998 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Federal Highway Administration. Offices of Research and Development
Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.3/5 (91 download)
Download or read book Report No. FHWA-RD. written by United States. Federal Highway Administration. Offices of Research and Development and published by . This book was released on 1977 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karla A. Polivka
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (1 download)
Download or read book Design and Evaluation of the TL-4 Minnesota Combination Traffic/bicycle Bridge Rail written by Karla A. Polivka and published by . This book was released on 1998 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: A combination traffic and bicycle bridge rail was developed and crash tested. The combination bridge rail was constructed with a standard New Jersey safety shaped barrier and special steel panels formed from tubular steel posts and rails, and square vertical spindle bars. Two cables were installed inside the tubular rails to prevent detachment of large pieces of debris from causing hazardous conditions for vehicles and pedestrians below. Although the crash tested bridge rail was constructed using the New Jersey safety shape, it is believed that this combination traffic/bicycle bridge rail could be easily adapted to other safety shape barriers or rectangular parapets with no need for further crash testing. Due to the modular nature of the steel panel sections, the combination traffic/bicycle bridge rail can be repaired very easily following a vehicular impact. Two full-scale vehicle crash tests were performed on Minnesota's combination traffic/bicycle bridge railing. The tests were conducted and reported in accordance with the requirements specified in NCHRP Report No. 350, "Recommended Procedures for the Safety Performance Evaluation of Highway Features" (1993). The safety performance of the combination traffic/bicycle bridge rail was determined to be acceptable according to Test Level 4 of the NCHRP Report No. 350 criteria
Author : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher : AASHTO
ISBN 13 : 1560515090
Total Pages : 345 pages
Book Rating : 4.5/5 (65 download)
Download or read book Roadside Design Guide written by American Association of State Highway and Transportation Officials. Task Force for Roadside Safety and published by AASHTO. This book was released on 2011 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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.
Author :
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 (89 download)
Download or read book Report written by and published by . This book was released on 1989 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hayes E. Ross
Publisher : Transportation Research Board
ISBN 13 : 0309067502
Total Pages : 103 pages
Book Rating : 4.3/5 (9 download)
Download or read book Evaluation of Roadside Features to Accommodate Vans, Minivans, Pickup Trucks, and 4-wheel Drive Vehicles written by Hayes E. Ross and published by Transportation Research Board. This book was released on 2002 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (3 download)
Download or read book Public Roads written by and published by . This book was released on 1998 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger P. Bligh
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of Bridge Approach Rails written by Roger P. Bligh and published by . This book was released on 1992 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: A recent study on the performance of guardrail-to-bridge rail transitions revealed that many widely used designs do not meet current safety standards. As a result, the Federal Highway Administration (FHWA) requested that the Arizona Department of Transportation verify the safety performance of its standard transition designs. Three transition designs currently being used by ADOT were evaluated through a combined program of computer simulation and full-scale crash testing. The standard ADOT wood post transition, incorporating a channel rubrail and two different sizes of timber posts at a reduced post spacing near the bridge rail end, was found to be in compliance with National Cooperative Highway Research Program (NCHRP) Report 230 performance criteria. The standard ADOT steel post transition with channel rubrail was also found to be in compliance with NCHRP Report 230 requirements when impacted near the end of the bridge rail. However, the upstream end of the steel post transition required modification to eliminate deficiencies identified during testing. The modified design, which terminated the channel rubrail behind a W6x9 guardrail post, was successfully crash tested. A recent study on the performance of guardrail-to-bridge rail transitions revealed that many widely used designs do not meet current safety standards. As a result, the Federal Highway Administration (FHWA) requested that the Arizona Department of Transportation verify the safety performance of its standard transition designs. Three transition designs currently being used by ADOT were evaluated through a combined program of computer simulation and full-scale crash testing. The standard ADOT wood post transition, incorporating a channel rubrail and two different sizes of timber posts at a reduced post spacing near the bridge rail end, was found to be in compliance with National Cooperative Highway Research Program (NCHRP) Report 230 performance criteria. The standard ADOT steel post transition with channel rubrail was also found to be in compliance with NCHRP Report 230 requirements when impacted near the end of the bridge rail. However, the upstream end of the steel post transition required modification to eliminate deficiencies identified during testing. The modified design, which terminated the channel rubrail behind a W6x9 guardrail post, was successfully crash tested.
Author :
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nationally Coordinated Program of Highway Research, Development, and Technology. Annual Progress Report. Fiscal Year 1994 written by and published by . This book was released on 1995 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K. K. Mak
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)
Download or read book Testing and Evaluation of the W-beam Transition (on Steel Posts with Timber Blockouts) to the Vertical Flared Back Concrete Bridge Parapet written by K. K. Mak and published by . This book was released on 1996 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eric A. Keller
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (1 download)
Download or read book Guidelines for Attachments to Bridge Rails and Median Barriers written by Eric A. Keller and published by . This book was released on 2003 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the research project was to collect crash test data relating to bridge rails and median barriers, to collect information about common attachments to traffic barriers, and to evaluate this information for the purpose of developing guidelines for the design and placement of traffic barrier attachments. A comprehensive review of full-scale crash testing of bridge rails and median barriers was conducted in order to establish Zones of Intrusion (ZOIs) for traffic barriers. The primary goal of this review was to identify the extent that a pickup or single-unit truck intrudes over the top of a traffic barrier during a vehicular impact.
Author :
Publisher :
ISBN 13 :
Total Pages : 688 pages
Book Rating : 4.3/5 (555 download)
Download or read book Federally Coordinated Program of Research and Development in Highway Transportation written by and published by . This book was released on 1982 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jarvis Dale Michie
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.3/5 (121 download)
Download or read book Upgrading Safety Performance in Retrofitting Traffic Railing Systems written by Jarvis Dale Michie and published by . This book was released on 1976 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D. Michie
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.3/5 (91 download)
Download or read book Upgrading Safety Performance in Retrofitting Traffic Railing Systems. Final Report written by J. D. Michie and published by . This book was released on 1976 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger P. Bligh
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of Guardrail to Bridge Rail Transition written by Roger P. Bligh and published by . This book was released on 1988 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the development and testing of a guardfence-to-rigid bridge rail transition. The transition consists of a tubular W-beam supported on 7 inch diameter round wood posts. It is designed to transition to a vertical wall or to the concrete safety shaped barrier. It can be used on new construction or as a retrofit for existing installations. Based on a full-scale vehicular crash test program, the design was judged to be in compliance with recommended impact performance criteria as presented in NCHRP Report 230. Also described is a tentative design for approach guardfence at bridge ends near an abutting roadway. The design consists of short radius, curved guardrail supported on weakened round wood posts.
Author : National Research Council (U.S.). Transportation Research Board
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 ( download)
Download or read book Development and Evaluation of Roadside Safety Features written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1992 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 998 pages
Book Rating : 4.:/5 (1 download)
Download or read book National Cooperative Highway Research Program Report written by and published by . This book was released on 1964 with total page 998 pages. Available in PDF, EPUB and Kindle. Book excerpt:
