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Nchrp Report 350 Test 4 11 Of The New York Four Rail Curbless Bridge Railing
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Book Synopsis NCHRP Report 350 Test 4-11 of the New York Four-Rail Curbless Bridge Railing by : C. Eugene Buth
Download or read book NCHRP Report 350 Test 4-11 of the New York Four-Rail Curbless Bridge Railing written by C. Eugene Buth and published by . This book was released on 1999 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the details of the New York Four-Rail Curbless Bridge Railing and results of the pickup truck test: National Cooperative Highway Research Program (NCHRP) Report 350 test designation 4-11, which is the 2000-kg pickup truck impacting the critical impact point (CIP) at 100 km/h and 25 degrees. The New York Four-Rail Curbless Bridge Railing met the required criteria specified for NCHRP 350 test designation 4-11.
Book Synopsis NCHRP Report 350 Test 4-11 of the New York Two-Rail Curbless Bridge Railing by :
Download or read book NCHRP Report 350 Test 4-11 of the New York Two-Rail Curbless Bridge Railing written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the results of a crash test of a New York Two-Rail Bridge Rail. The New York Two-Rail Curbless Bridge Railing is a steel-beam and steel-post system on a concrete bridge deck. This was the second test of a series intended to evaluate this new bridge rail design. The objective was to see if it meets Test Level Four (TL-4) in NCHRP Report 350. In this test, a 2000-kg pickup truck impacted the bridge rail at a nominal speed and angle of 100 km/h and 25 degrees. The bridge rail contained the vehicle and redirected it. At this time there is no widely accepted measure of occupant risks associated with deformations or intrusions into the passenger compartment. Of necessity, this factor must be assessed in large part by the judgement of the test agency and the user agency, or both. The researchers have concluded that this bridge rail did not meet evaluation criteria D and K for Test No. 4-11 in NCHRP Report 350 due to separation in the floor plan and excessive deformation of the occupant compartment.
Book Synopsis NCHRP Report 350 Test 4-12 of the New York Four-Rail Curbless Bridge Rail by : C. Eugene Buth
Download or read book NCHRP Report 350 Test 4-12 of the New York Four-Rail Curbless Bridge Rail written by C. Eugene Buth and published by . This book was released on 1999 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the details of the New York Four-Rail Curbless Bridge Railing and the results of the single-unit truck test: National Cooperative Highway Research Program (NCHRP) Report 350 test designation 4-12, which is the 8000-kg single-unit truck impacting and critical impact point of the length-of-need at a nominal impact speed and angle 80 km/h and 15 degrees. The New York Four-Rail Curbless Bridge Railing met all criteria for NCHRP Report 350 test designation 4-12.
Book Synopsis NCHRP Report 350 Test 4-10 of the New York Two-Rail Curbless Bridge Railing by :
Download or read book NCHRP Report 350 Test 4-10 of the New York Two-Rail Curbless Bridge Railing written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the results of a crash test of a New York Two-Rail Bridge Rail. The New York Two-Rail Curbless Bridge Railing is a steel-beam and steel-post system on a concrete bridge deck. This was the first test of a series intended to evaluate this new bridge rail design. The objective was to see if it meets Test Level Four (TL-4) in NCHRP Report 350. In this test, an 820-kg small car impacted the bridge rail at a nominal speed and angle of 100 km/h and 20 degrees. The test results met all of the evaluation criteria for the test designated as No. 4-10 in NCHRP Report 350.
Book Synopsis NCHRP Report 350 Test 4-12 of the New York Two-Rail Curbless Bridge Rail by : C. Eugene Buth
Download or read book NCHRP Report 350 Test 4-12 of the New York Two-Rail Curbless Bridge Rail written by C. Eugene Buth and published by . This book was released on 1999 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the details of the New York Two-Rail Curbless Bridge Railing and the results of the single-unit truck test: National Cooperative Highway Research Program (NCHRP) Report 350 test designation 4-12, which is the 8000-kg single-unit truck impacting and critical impact point of the length-of-need at a nominal impact speed and angle 80 km/h and 15 degrees. The New York Two-Rail Curbless Bridge Railing met all criteria for NCHRP Report 350 test designation 4-12.
Book Synopsis Testing and Evaluation of the New York Two-rail Curbless and Four-rail Curbless Bridge Railing and the Box-beam Transition by : C. Eugene Buth
Download or read book Testing and Evaluation of the New York Two-rail Curbless and Four-rail Curbless Bridge Railing and the Box-beam Transition written by C. Eugene Buth and published by . This book was released on 1999 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to crash test and evaluate the New York Two-Rail Curbless and FourRail Curbless Bridge Railings, and the box beam transition. Under the first part of the study, the Two-Rail and Four-Rail bridge railings were evaluated to National Cooperative Highway Research Program (NCHRP) Report 350 test level 4 (TL-4). To evaluate to TL-4, three full-scale crash tests on the length of need (LON) of the longitudinal barrier, or bridge railing, are required. These include an 820-kg passenger car impacting the critical impact point (CIP) at a nominal impact speed and angle of 100 km/h and 20 degrees, a 2000-kg pickup truck impacting the CIP at a nominal impact speed and angle of 100 km/h and 25 degrees, and an 8000-kg single-unit truck impacting the CIP at a nominal impact speed and angle of 80 km/h and 15 degrees. After evaluation of the two bridge railings, New York DOT and Federal Highway Administration (FHWA) decided to evaluate a box-beam transition attached to the New York Four-Rail Curbless Bridge Railing. NCHRP Report 350 test designation 3-21, which is the 2000-kg pickup truck impacting the CIP of the transition at 100 km/h and 25 degrees, was performed on the transition. This report presents the details and results of all six crash tests performed under this contract.
Book Synopsis NCHRP Report 350 Test 3-21 of the New York Four-Rail Bridge Rail Transition by : C. Eugene Buth
Download or read book NCHRP Report 350 Test 3-21 of the New York Four-Rail Bridge Rail Transition written by C. Eugene Buth and published by . This book was released on 1999 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the details of the New York Four-Rail Bridge Rail transition and results of the pickup truck test: NCHRP Report 350 test designation 3-21, which is the 2000-kg pickup truck impacting the CIP of the transition at 100 km/h and 25 degrees. The New York Four-Rail Bridge Rail Transition did not meet occupant risk criterion D and vehicle trajectory criterion K for NCHRP Report 350 test designation 3-21. Due to the significant amount of overall deformation of the occupant compartment, separation in the floor pan, and partial ejection of the dummy through the door which was pulled open at the hinges, overall damage to the vehicle was judged to hav epotential for causing serious injury to occupants. This severe damage resulted from vehicle snagging on the rail splice joints and bolt heads that protruded after the rail element was partially collapsed.
Book Synopsis Evaluation of Roadside Features to Accommodate Vans, Minivans, Pickup Trucks, and 4-wheel Drive Vehicles by : Hayes E. Ross
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:
Download or read book Report written by and published by . This book was released on 1964 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Vehicular Crash Tests of the California ST-20 Bridge Rail by : John Russell Jewell
Download or read book Vehicular Crash Tests of the California ST-20 Bridge Rail written by John Russell Jewell and published by . This book was released on 2004 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the course of this project a see-through steel bridge rail (Type California ST-20) was developed and tested. The ST-20, as tested, is at the limits of meeting the NCHRP Report 3501 TL-4 test matrix. The bridge rail also met the requirements established in the AASHTO Bridge Design Specifications for use as a bicycle rail and is considered an aesthetically pleasing see-through bridge rail. The barrier, as tested, uses steel posts at 3-m spacing to support four boxbeam rails and one additional handrail to meet the height requirements for bicycles. Because the ST-20 is based on a TL-4 bridge rail from Wyoming DOT3,4, only Test 4-11 (NCHRP Report 350) was considered necessary.
Book Synopsis TL-4 Crash Testing of the F411 Bridge Rail by : Dean C. Alberson
Download or read book TL-4 Crash Testing of the F411 Bridge Rail written by Dean C. Alberson and published by . This book was released on 2004 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Texas Department of Transportation (TXDOT) and Florida Department of Transportation (FDOT) frequently receive requests to provide aesthetically pleasing traffic rails for use on select bridges and roadways. TxDOT, in response to providing context sensitive design alternatives, initiated a project to develop additional aesthetically pleasing rail alternatives. Under a previous TxDOT project, the F411 bridge rail was constructed and crash tested to Test Level 3 (TL-3). The TL-3 test is a 4405-lb (2000 kg) pickup impacting the railing at 25 degrees and 62.2 mi/h (100 krn/h). 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. The TxDOT F411 bridge rail contained and redirected the vehicle, which remained upright during and after the collision period. The bridge rail met the required specifications for NCHRP Report 350 test 3-11. The objective of this research is the full-scale crash test and evaluation of the F411 to Test Level 4 (TL-4). The most direct approach for accomplishing the objectives of this task is to perform a full-scale TL-4 crash test of this railing design. The TL-4 vehicle is a single-unit box-van truck impacting the railing at 15 degrees and 49.7 mi/h (80 krn/h). While containment is required, overturning of the vehicle 90 degrees is an acceptable test outcome. The TxDOT F411 bridge rail performed acceptably for NCHRP Report 350 test 4-12. Based on the performance of the F411 bridge rail in the full-scale crash test to TL-4 test conditions, the F411 may be used where containment of 18,000 lb single-unit trucks is desired.
Book Synopsis NCHRP Report 350 Compliance Test 5-12 of the 1.07-m Vertical Wall Bridge Railing by : Dean C. Alberson
Download or read book NCHRP Report 350 Compliance Test 5-12 of the 1.07-m Vertical Wall Bridge Railing written by Dean C. Alberson and published by . This book was released on 1997 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Federal Highway Administration (FHWA) recently adopted new performance evaluation guidelines for roadside safety features set forth in NCHRP Report 350. This report contains the results of a crash test performed on the 1.07-m vertical wall bridge railing with a 36000V test vehicle under NCHRP Report 350 test level 5 conditions, i.e., impacting the length of need at a nominal speed and angle of 80 km/h and 15 degrees. The purpose of the test was to determine if the bridge railing would perform satisfactorily in containing and redirecting the heavy vehicle without rolling the vehicle.
Book Synopsis Vehicle Crash Tests of the Type 70 Bridge Rail by : Robert Meline
Download or read book Vehicle Crash Tests of the Type 70 Bridge Rail written by Robert Meline and published by . This book was released on 1998 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: A bridge rail Type 70 was built and tested in accordance with NCHRP Report 350. The Type 70 bridge rail is an 810 mm tall concrete barrier with a sloping face of 9.1 deg from the vertical. The barrier tested was 22.9 m long and was constructed at the Caltrans Dynamic Test Facility in West Sacramento, California. A total of four crash tests were conducted under NCHRP Report 350 test level 4, one with an 820 kg car, two with 2000 kg pickup trucks and one with an 8000 kg van truck. Both the 820 kg and the 8000 kg tests were within the limits of NCHRP Report 350 guidelines.
Book Synopsis Crash Testing and Evaluation of the Modified T77 Bridge Rail by :
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.
Book Synopsis Evaluation of the FDOT Variant of the Modified Kansas Corral Bridge Railing by : Dean C. Alberson
Download or read book Evaluation of the FDOT Variant of the Modified Kansas Corral Bridge Railing written by Dean C. Alberson and published by . This book was released on 2004 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Crash Testing and Evaluation of Retrofit Bridge Railings and Transition by : Eugene Buth
Download or read book Crash Testing and Evaluation of Retrofit Bridge Railings and Transition written by Eugene Buth and published by . This book was released on 1997 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: An assortment of retrofit bridge railings and a retrofit transition were evaluated through full-scale crash testing. The assortment included: (1) a W-beam retrofit railing for a concrete baluster bridge railing (AASHTO performance level one); (2) a W-beam transition for the bridge railing above (NCHRP Report 350 test level two); (3) a double-tube pedestrian/bicycle railing mounted on the Illinois 2399-1 traffic railing (AASHTO performance level one); (4) a vandal protection fence on the New Jersey concrete safety shape bridge railing (AASHTO performance level two); and (5) a thrie beam retrofit railing, a Delaware design, mounted on a 203-mm-high safety curb (AASHTO performance level two and NCHRP Report 350 test level four). All of the designs demonstrated acceptable performance.
Book Synopsis Vehicle Crash Tests of the Type 80 Bridge Rail by : Robert Meline
Download or read book Vehicle Crash Tests of the Type 80 Bridge Rail written by Robert Meline and published by . This book was released on 1999 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: An aesthetic, see-through concrete bridge rail, Type 80, was built and tested in accordance with National Cooperative Highway Research Program (NCHRP) Report 350. The Type 80 bridge rail is an 810 mm-tall, reinforced concrete barrier. The rail has 280 mm-high by 1620 mm-long gaps, 230 mm above the bridge deck surface. The barrier tested was 23 m-long and was constructed at the California Department of Transportation (Caltrans) Dynamic Test Facility in West Sacramento, California. A total of three crash tests were conducted under NCHRP Report 350 Test Level 4, one with an 820 kg car, one with a 2000 kg pickup truck and one with an 8000 kg single unit van truck.
