Performance of Longitudinal Barriers on Curved, Superelevated Roadway Sections (2019) / Chapter Skim
Currently Skimming:
Pages 14-17
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 14... ...
14 Introduction Highways consist of tangent and curved roadway sections for which there are well-established geometric design criteria. Curved roadway sections on higher speed roads are generally constructed with superelevation to compensate for the centripetal forces exerted on the vehicles, making it easier for the driver to control the vehicle through the curved section.
|
From page 15... ...
15 addition, a sharper impact angle can increase vehicle instability and may lead to vehicle rollover, override, or penetration of the barrier. The sharper angles increase vehicle climb for rigid barriers and tire/post snagging for semi-rigid strongpost barriers.
|
From page 16... ...
16 future research to study barrier modifications, changes to roadway geometrics, or both in response to any safety issues identified. Under the second phase of the research, the evaluation of crash performance included (1)
|
From page 17... ...
17 The research approach involved summarizing the research findings in each of the facets to allow translation of the results into guidance on the design, selection, and installation of longitudinal barriers on CSRS. It is planned that guidance derived from these efforts will be presented to AASHTO and FHWA for their critical review and possible integration into the appropriate documents.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.