Summary of the NCHRP Report 350 PDF Download
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Author: John F. Carney
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 90
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Book Description
Author: John F. Carney
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 90
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Book Description
Author: Erika B. Smith
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 162
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Book Description
Author: Paul F. D'Attilio
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 144
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Book Description
Author: Delbert Lance Bullard
Publisher: Transportation Research Board
ISBN: 0309088496
Category : Bridge railings
Languages : en
Pages : 87
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Book Description
This report contains guidelines for aesthetic treatment of concrete safety shape barriers. The report will be of particular interest to design and safety practitioners with responsibility for roadside safety improvements. The increasing application of context-sensitive design solutions for highway projects has created a national need for aesthetic improvement of typical highway features. Requests for concrete barrier treatments and bridge rails that contribute to the overall aesthetic experience are increasing. Concrete barriers (e.g., New Jersey, F-shapes, single-slope, and vertical-face designs) are often the barriers of choice in urban and suburban environments. Many transportation agencies and communities have expressed a desire for aesthetic treatments for these standard shapes. To date, there has been limited evaluation to determine which aesthetic treatments are safe and practical. Designers need guidance regarding the safety implications of aesthetic treatments for concrete barriers.
Author:
Publisher:
ISBN:
Category : Electronic book
Languages : en
Pages :
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Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Author: Eugene Buth
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 102
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Book Description
The existing Montana Department of Transportation (DOT) concrete median barrier sections are 3.048 m (10 ft) long New Jersey shaped barriers with a pin-and-loop connection. Two pairs of 25 mm (1 in.) diameter wire rope loops are connected using a 660 mm (26 in.) long, 25 mm (1 in.) diameter pin that is not restrained at the bottom. Since the system has a low probability of complying with the NCHRP Report 350 guidelines, and the expected dynamic barrier deflection under design impact conditions is greater than desired by Montana DOT, two alternate barrier connection concepts were proposed and evaluated using computer simulations. These included a modified pin-and-loop connection and a newly conceived lapped splice connection. After these two designs appeared to perform acceptably during simulation, the proposed designs were constructed for full-scale crash testing to determine whether the designs would actually meet NCHRP Report 350 crash test criteria. This report presents the details of the simulation analysis, the details of the proposed barrier designs, the details of the full-scale crash tests, and the NCHRP Report 350 evaluation of each of the tests. Both the modified pin-and-loop barrier and the lapped splice connection barrier performed acceptably for NCHRP Report 350 test 3-11.
Author: Eugene Buth
Publisher:
ISBN:
Category : Bridge railings
Languages : en
Pages : 48
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Book Description
Author: Dean Alberson
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 82
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Book Description
Author: Chuck A. Plaxico
Publisher: Transportation Research Board
ISBN: 0309088208
Category : Technology & Engineering
Languages : en
Pages : 106
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Book Description
At head of title: National Cooperative Highway Research Program.
