Nchrp Report 350 Test 4 12 Of The Modified Thrie Beam Guardrail PDF Download
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Release | : 1999 |
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Download NCHRP Report 350 Test 4-12 of the Modified Thrie Beam Guardrail Book in PDF, ePub and Kindle
This report documents the results of a crash test of a Modified Thrie Beam guardrail with an 8000-kg single unit truck impacting at a nominal speed and angle of 80 km/h and 15 degrees. This is the strength test for Test Level Four (TL-4) in NCHRP Report 350. It was found that the test results met all of the evaluation criteria. The single unit truck was smoothly redirected and remained upright. Detailed drawings are presented for documentation and to facilitate implementation.
Author | : Eugene Buth |
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Total Pages | : |
Release | : 2000 |
Genre | : Roads |
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Download NCHRP Report 350 Assessment of Existing Roadside Safety Hardware Book in PDF, ePub and Kindle
"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.
Author | : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety |
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Total Pages | : 560 |
Release | : 1989 |
Genre | : Roads |
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Download Roadside Design Guide Book in PDF, ePub and Kindle
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Release | : 1999 |
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Download NCHRP Report 350 Test 3-11 of the Strong Wood Post Thrie Beam Guardrail Book in PDF, ePub and Kindle
This report documents the results of a crash test of a strong wood post thrie beam guardrail with a 2000-kg pickup truck impacting at a nominal speed and angle of 100 km/h and 25 degrees. This is the strength test for Test Level Three (TL-3) in NCHRP Report 350. It was found that the test results met all of the evaluation criteria. The pickup truck was smoothly redirected and remained upright.
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Release | : 2005 |
Genre | : Electronic book |
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Download NCHRP Report 537 Book in PDF, ePub and Kindle
Author | : Karla A. Polivka |
Publisher | : |
Total Pages | : 72 |
Release | : 2006 |
Genre | : Roads |
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Download Performance Evaluation of the Modified G4(1S) Guardrail - Update to NCHRP 350 Test No. 3-11 with 28" C.G. Height (2214WB-2) Book in PDF, ePub and Kindle
Author | : Hampton Clay Gabler |
Publisher | : |
Total Pages | : 192 |
Release | : 2005 |
Genre | : Median strips |
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Download Evaluation of Cross Median Crashes Book in PDF, ePub and Kindle
Author | : Hampton Clay Gabler |
Publisher | : |
Total Pages | : 88 |
Release | : 2006 |
Genre | : Roads |
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Download Safety Audit of Fatalities and Injuries Involving Guide Rail Book in PDF, ePub and Kindle
Author | : Jarvis Dale Michie |
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Total Pages | : 432 |
Release | : 1971 |
Genre | : Transportation |
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Download Guardrail Performance and Design Book in PDF, ePub and Kindle
Barrier installations are warranted (or justified) only at highway locations where the consequence of an errant vehicle leaving the roadway is judged to be more hazardous than the impact with the barrier installation. A six degree-of-freedom mathematical model was found to be useful in describing dynamic behavior of a vehicle during impact. Predictions of vehicle and barrier behavior correlated with results obtained from full-scale crash tests. Crash conditions simulated with a computer were used to identify and evaluate vehicle static and dynamic as well as barrier parameters. Vehicle weight, yaw mass moment of inertia, and deformation constant were found to be significant.
Author | : Karla A. Polivka |
Publisher | : |
Total Pages | : 73 |
Release | : 2006 |
Genre | : Roads |
ISBN | : |
Download Performance Evaluation of the Modified G4(1S) Guardrail - Update to NCHRP 350 Test No. 3-11 (2214WB-1) Book in PDF, ePub and Kindle