Modified Nchrp Report 350 Test 3 21 Testing And Evaluation Of The Washington State Dot Type 1 Guardrail Transition
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Evaluation Of Roadside Features To Accommodate Vans Minivans Pickup Trucks And 4 Wheel Drive Vehicles
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Author : Hayes E. Ross
language : en
Publisher: Transportation Research Board
Release Date : 2002
Evaluation Of Roadside Features To Accommodate Vans Minivans Pickup Trucks And 4 Wheel Drive Vehicles written by Hayes E. Ross and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Four-wheel drive vehicles categories.
Testing Of State Roadside Safety Systems Volume Xi Appendix J Crash Testing And Evaluation Of Existing Guardrail Systems
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Author : K. K. Mak
language : en
Publisher:
Release Date : 1998
Testing Of State Roadside Safety Systems Volume Xi Appendix J Crash Testing And Evaluation Of Existing Guardrail Systems written by K. K. Mak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Testing Of State Roadside Safety Systems Volume I Technical Report
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Author : K. K. Mak
language : en
Publisher:
Release Date : 1996
Testing Of State Roadside Safety Systems Volume I Technical Report written by K. K. Mak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Modified Nchrp Report 350 Test 3 21 Testing And Evaluation Of The Washington State Dot Type 1 Guardrail Transition
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Author : Delbert Lance Bullard
language : en
Publisher:
Release Date : 2003
Modified Nchrp Report 350 Test 3 21 Testing And Evaluation Of The Washington State Dot Type 1 Guardrail Transition written by Delbert Lance Bullard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Bridge railings categories.
Nchrp Report 350 Assessment Of Existing Roadside Safety Hardware
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Author : Eugene Buth
language : en
Publisher:
Release Date : 2000
Nchrp Report 350 Assessment Of Existing Roadside Safety Hardware written by Eugene Buth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Roads categories.
"The Federal Highway Administration initiated this contract with the objective to crash test and evaluate several terminals, transitions, and longitudinal barriers to NCHRP Report 350. NCHRP Report 350 specifies crash tests and evaluation criteria for three performance levels for terminals and six performance levels for transitions and longitudinal barriers. The buried-in-backslope terminals evaluated were the G4 on steel posts and wood blockouts with a rub rail and a 6 to 1 vee ditch and the G4 with steel posts and wood blockouts with a 4 to 1 slope. Both met specifications for NCHRP Report 350 test 3-35. The 3-strand New York cable terminal was evaluated and met requirements for NCHRP Report 350 test 3-34. The transitions evaluated under this contract included the vertical wall transition (W-beam with W-beam rub rail and steel posts), the vertical flared back transition (W-beam with channel rub rail, steel posts, and routed wood blockouts), the Pennsylvania Department of Transportation (DOT) transition (vertical flared back concrete parapet with W-beam, rub rail, steel posts, and routed wood blockouts), the Nebraska thrie beam transition (vertical wall parapet with thrie beam), and the Connecticut W-beam transition (NJ-shape wall with W-beam and channel rub rail). All the transitions met the required criteria for NCHRP Report 350 test 3-21, except for the vertical flared back transition. The MB1 median cable barrier chosen for evaluation was the Washington State DOT (WSDOT) cable barrier with a New York cable rail terminal. The thrie beam guardrail with steel posts and routed wood blockouts and the strong wood post thrie beam guardrail were also evaluated. The cable barrier and both thrie beam guardrails met the required specifications for NCHRP Report 350 test 3-11. The modified thrie beam guardrail with 2.1-m-long W150x14 steel posts and W360x33 blockouts (Design No. SGR09b) was evaluated and met specifications for NCHRP Report 350 test 4-12. Construction details for all the terminals, transitions, and longitudinal barriers evaluated are reported herein. Also included are details of the crash tests performed and the assessment of each test."--Technical report documentation page.
Nchrp Report 350 Test 3 11 Of The Washington Type 2 Concrete Barrier
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Author : Delbert Lance Bullard
language : en
Publisher:
Release Date : 2001
Nchrp Report 350 Test 3 11 Of The Washington Type 2 Concrete Barrier written by Delbert Lance Bullard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Median strips categories.
Two crash tests are required to evaluate portable concrete barriers, such as Washington Department of transportation (WsDOT) Type 2 concrete barriers, to NCHRP Report 350 test level three (TL-3). NCHRP Report 350 test designation 3-10 involves an 820 kg passenger vehicle impacting the critical impact point (CIP) of the length of need (LON) section at a nominal speed and angle of 100 km/h and 20 degrees. NCHRP Report 350 test designation 3-11 involves a 2000 kg pickup truck impacting the CIP of the LON section at a nominal speed and angle of 100 km/h and 25 degrees. Finite element analysis using LS-DYNA was used to simulate NCHRP Report 350 test designation 3-11 with the 2000 kg pickup truck on the standard Type 2 concrete barrier with a pin and loop connection and two modified pin and loop connections. In subsequent full-scale crash tests, both the standard and a modified concrete barrier met the evaluation criteria of NCHRP Report 350 for Test 3-11. For each of the two pin and loop configurations crash tested, the Washington Type 2 concrete barrier met the evaluation criteria of NCHRP Report 350 for test 3-11.
Performance Evaluation Of The Guardrail To Concrete Barrier Transition Update To Nchrp 350 Test No 3 21 With 28 C G Height 2214t 1
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Author : Karla A. Polivka
language : en
Publisher:
Release Date : 2006
Performance Evaluation Of The Guardrail To Concrete Barrier Transition Update To Nchrp 350 Test No 3 21 With 28 C G Height 2214t 1 written by Karla A. Polivka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Roads categories.
Nchrp Report 350 Test 3 11 Of The Long Span Guardrail With 5 7 M Clear Span And Nested W Beams Over 11 4 M
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Author : Eugene Buth
language : en
Publisher:
Release Date : 2006
Nchrp Report 350 Test 3 11 Of The Long Span Guardrail With 5 7 M Clear Span And Nested W Beams Over 11 4 M written by Eugene Buth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bridge railings categories.
Evaluation And Design Of Odot S Type 5 Guardrail With Tubular Backup
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Author : Chuck A. Plaxico
language : en
Publisher:
Release Date : 2006
Evaluation And Design Of Odot S Type 5 Guardrail With Tubular Backup written by Chuck A. Plaxico and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Roads categories.
The purpose of this project was to assess the performance of both the ODOT GR-2.2 guardrail and the ODOT GR-3.4 transition system under NCHRP Report 350 test level 3 (TL-3) conditions, propose any modifications that would improve their crashworthiness and, ultimately ensure that the final designs qualify for use on the National Highway System (NHS) as TL-3 systems. Finite element analyses of the guardrail and transition system were performed using the LS-DYNA finite element software to simulate NCHRP Report 350 Test 3-10 and Test 3-11 impact scenarios. The analysis results indicated that the original ODOT GR-2.2 guardrail would successfully meet all NCHRP Report 350 test level 3 safety criteria. The analyses also indicated that the performance of the system could be significantly improved with simple modifications to the guardrail. The integrated system of the Nested Type 5 Guardrail with Tubular Backup and the ODOT GR-3.4 transition was considered the most practical and feasible design improvement and was therefore recommended as a final design.
Generosissimo Nobilissimoque D D Carolo De La Mailleraye Maximo Armamentarii Regii Praefacto Castri Civitatisque Nannetensis Gubernatori
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Author : Pierre Doriou
language : en
Publisher:
Release Date : 16??
Generosissimo Nobilissimoque D D Carolo De La Mailleraye Maximo Armamentarii Regii Praefacto Castri Civitatisque Nannetensis Gubernatori written by Pierre Doriou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 16?? with categories.