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Author : Teddy James Hirsch
Publisher :
ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (182 download)
Download or read book Testing and Evaluation of Bridge Rail Concept written by Teddy James Hirsch and published by . This book was released on 1975 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program Staff
Publisher :
ISBN 13 : 9780598217875
Total Pages : 94 pages
Book Rating : 4.2/5 (178 download)
Download or read book Testing and Evaluation of Bridge Rail Concept written by National Cooperative Highway Research Program Staff and published by . This book was released on with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (555 download)
Download or read book Testing and Evaluation of the Florida Jersey Safety Shaped Bridge Rail written by and published by . This book was released on 2004 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this portion of the project were to: 1) determine if any or all of the three subject variants of the 32-inch (813 mm) Jersey safety shaped bridge railing comply with the requirements of the AASHTO LRFD Bridge Design Specifications and National Cooperative Highway Research Program (NCHRP) Report 350 Test Level 4 (TL4), and 2) provide recommended retrofit schemes, if deemed technically and economically feasible, to bring into compliance the railings that do not comply. Full or partial replacement schemes may also be recommended as appropriate. The most direct approach for accomplishing the objectives of this task was to perform a full-scale crash test of the most critical design. If that railing performed satisfactorily, the railing would be acceptable by AASHTO LRFD Specifications. The strength test was selected, NCHRP Report 350 test 4-12, a single-unit van-type truck weighing 17,6211b (8000 kg). The TL-4 vehicle is a single-unit box-van truck impacting the railing at 15 degrees and 49.7 mi/h (80 kmIh). While containment is required, overturning of the vehicle is an acceptable test outcome. However, Test Level 3 (TL-3) is a 4405-lb (2000 kg) pickup impacting the railing at 25 degrees and 62.2 mi/h (l00 kmIh). This test requires both containment and stability, and non-overturning. Since some breakage of the parapet is possible, potential for vehicle snagging is likely. Vehicle snagging can contribute to vehicle instabilities in the redirection sequence and potential rollover. Therefore, researchers chose both TL-4 and TL-3 tests. According to the results of this project, no field retrofits or replacements of the Florida Jersey safety shaped bridge rails, depicted in the Florida DOT Index 799, are warranted since the most critical 32-inch (813 mm) Jersey safety shaped bridge railing complied with the requirements of the AASHTO LRFD Bridge Design Specifications and NCHRP Report 350 Test Levels 3 and 4.
Author : William F. Williams (Transportation engineer)
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (956 download)
Download or read book MASH TL-3 Crash Testing and Evaluation of the T631 Bridge Rail written by William F. Williams (Transportation engineer) and published by . This book was released on 2016 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Texas Type T631 bridge rail was developed as a low-cost, flexible bridge rail system for TL-2 applications. Many of the features used for the system tested at MxRSF for TL-3 were incorporated into the design developed for this project for MASH TL-2 application. The TxDOT Type T631 bridge rail was designed, developed, and evaluated under MASH TL-2. The objective of this research was to evaluate the impact performance of the new TxDOT Type T631 bridge rail to MASH TL-3. The TxDOT Type T631 bridge rail was intended to serve as a low-cost replacement for the TxDOT Type T6 bridge rail for MASH TL-2 applications. The crash testing was performed in accordance with the requirements of MASH TL-3. The TxDOT T631 Bridge Rail performed acceptably for MASH TL-3.
Author : William F. Williams
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (818 download)
Download or read book MASH TL-3 Testing and Evaluation of a Steel Bridge Rail with Pickets written by William F. Williams and published by . This book was released on 2012 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : King K. Mak
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (472 download)
Download or read book Testing of State Roadside Safety Systems written by King K. Mak and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 111 pages
Book Rating : 4.:/5 (651 download)
Download or read book NCHRP Report 350 written by and published by . This book was released on 2006 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : King K. Mak
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (994 download)
Download or read book Crash Testing and Evaluation of the NETC 2-bar Curb-mounted Bridge Rail written by King K. Mak and published by . This book was released on 1998 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : King K. Mak
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (32 download)
Download or read book Crash Testing and Evaluation of Tennessee Bridge Rail and Guardrail Designs written by King K. Mak and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (549 download)
Download or read book Crash Testing and Evaluation of the Modified T77 Bridge Rail written by and published by . This book was released on 2003 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Under a previous study, Texas Transportation Institute (TTI) and the Texas Department of Transportation (TxDOT) worked cooperatively to conceptualize and develop two aesthetically pleasing and crashworthy rail designs. The rails were designated the T77 and F411. Researchers performed and evaluated full-scale crash tests on the new rails in accordance with National Cooperative Highway Research Program (NCHRP) Report 350 test 3-11. The TxDOT F411 bridge rail performed acceptably according to the evaluation criteria of NCHRP Report 350. However, the T77 design failed to perform acceptably with the pickup truck. The objective of this project was to modify the TxDOT T77 bridge rail to perform as an aesthetically pleasing and crashworthy bridge rail. TTI and TxDOT worked cooperatively to modify the design to make the rail perform satisfactorily. Researchers performed full-scale crash tests in accordance with NCHRP Report 350. The T77 bridge rail was modified so it would perform in accordance with the evaluation criteria for NCHRP Report 350 test 3-11.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (347 download)
Download or read book Test Level 4 Evaluation of the Minnesota Combination Bridge Rail written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A safety performance evaluation of the Minnesota concrete parapet with brush curb and metal rail (Minnesota Combination Bridge Rail) was conducted for the Minnesota Department of Transportation (Mn/DOT) as part of Year 4 of the Midwest States Regional Pooled Fund Program. The safety performance evaluation of this bridge rail system was conducted and reported according to the criteria specified in Test Level 4 of the National Cooperative Highway Research Program (NCHRP) Report No. 350, "Recommended Procedures for the Safety Performance Evaluation of Highway Features". This testing involved impacts with an 8000-kg single-unit truck, a 2000-kg pickup truck, and an 820-kg small car. The bridge rail design was modified following the 2000-kg pickup truck test in order to reduce the potential for snagging. After this modification was made, and the system was retested, the safety performance of this system was found to be acceptable and meets the safety standards set forth in Test Level 4 of NCHRP 350
Author :
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (12 download)
Download or read book Crash Test and Evaluation of the TxDOT T224 Bridge Rail written by and published by . This book was released on 2018 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of thei research was to evaluate the impact performance of the TxDOT T224 Bridge Rail according to the safety performance evaluation guidelines included in AASHTO MASH for test level five (TL 5). This report describes the TxDOT T224 Bridge Rail, documents the impact performance of the rail system according to MASH TL-5 evaluation criteria, and presents recommendations regarding implementation.
Author : Teddy James Hirsch
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (473 download)
Download or read book Crash Testing and Evaluation of Attenuating Bridge Railing System written by Teddy James Hirsch and published by . This book was released on 1976 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert W. Bielenberg
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Crash Testing and Evaluation of the HDOT 34-in. Tall Aesthetic Concrete Bridge Rail written by Robert W. Bielenberg and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert W. Bielenberg
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Crash Testing and Evaluation of the HDOT 42-in. Tall, Aesthetic Concrete Bridge Rail written by Robert W. Bielenberg and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rodrigo A. Quintero
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Crash Testing and Evaluation of the HDOT 42-in. Tall, Solid Concrete Bridge Rail with Aesthetic Recessed Rounded Panels and 6-in. Tall Sidewalk written by Rodrigo A. Quintero and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karla A. Polivka
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (636 download)
Download or read book Development, Testing, and Evaluation of NDOR's TL-5 Aesthetic Open Concrete Bridge Rail written by Karla A. Polivka and published by . This book was released on 2005 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
