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Continuing Investigation Of Polishing And Friction Characteristics Of Limestone Aggregates In Ohio
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Book Synopsis Continuing Investigation of Polishing and Friction Characteristics of Limestone Aggregates in Ohio by : Robert Y. Liang
Download or read book Continuing Investigation of Polishing and Friction Characteristics of Limestone Aggregates in Ohio written by Robert Y. Liang and published by . This book was released on 2009 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to increased focus on maintaining highway operating safety and reducing wet weather accidents, the Ohio Department of Transportation has initiated a research to develop a laboratory scale accelerated polishing device that can mimic the actual abrasion and polishing actions between the vehicle rubber tires and the HMA (Hot Mix Asphalt) surface.
Book Synopsis Polishing and Friction Characteristics of Aggregates Produced in Ohio by : Robert Y. Liang
Download or read book Polishing and Friction Characteristics of Aggregates Produced in Ohio written by Robert Y. Liang and published by . This book was released on 2000 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Ohio, during the last few years, there has been a steady increase in the traffic loads. This traffic, while moving on the pavements, causes the polishing of the surface aggregates. The surface aggregates become slick resulting in skid accidents. This gradual loss of skid resistance of highway pavements, particularly when they are wet, has become a serious problem. This problem has led the Ohio Department of Transportation (ODOT) to conduct a detailed investigation on the properties of the surface aggregates that could experience rapid polishing under traffic and the resulting loss of fiction.
Book Synopsis Predetermining the Polish Resistance of Limestone Aggregates by : W. Cullen Sherwood
Download or read book Predetermining the Polish Resistance of Limestone Aggregates written by W. Cullen Sherwood and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Polishing Characteristics of Limestone and Sandstone Aggregates in Regard to Pavement Slipperiness ... by : William John Stutzenberger
Download or read book A Study of the Polishing Characteristics of Limestone and Sandstone Aggregates in Regard to Pavement Slipperiness ... written by William John Stutzenberger and published by . This book was released on 1958 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluating Performance of Limestone Prone to Polishing by : Zoltán Radó
Download or read book Evaluating Performance of Limestone Prone to Polishing written by Zoltán Radó and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This research project evaluated the effect of blending Vanport limestone and other aggregates on the frictional surface characteristic properties of constructed trial road surfaces. The study undertook the evaluation of the performance of different mortar fractions and aggregate concentrations to determine the effect of coarse aggregate usage in the top mortar layer on pavement friction performance, as well as the effect of the substitution of different aggregates in place of Vanport limestone. The project developed a test matrix to evaluate the effect of the changes in these factors on portland cement concrete using state-of-the-art laboratory test equipment for assessing surface characteristics and using accelerated wearing for the evaluation of long-term pavement surface performance.
Book Synopsis State Planning and Research Program by :
Download or read book State Planning and Research Program written by and published by . This book was released on 1999 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polishing and Frictional Properties of Aggregates in Ohio by : Harshad Pandit
Download or read book Polishing and Frictional Properties of Aggregates in Ohio written by Harshad Pandit and published by . This book was released on 1999 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relationship Between Skid Resistance Numbers Measured with Ribbed and Smooth Tire and Wet-accident Locations by :
Download or read book Relationship Between Skid Resistance Numbers Measured with Ribbed and Smooth Tire and Wet-accident Locations written by and published by . This book was released on 2008 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objectives of this research study may be stated as follows: Determine if surface characteristic measurements can be correlated to wet-pavement crashes in Ohio; Provide improved guidance on the use of ribbed versus smooth tires for pavement surface friction testing in Ohio, including the identification of suggested minimum surface friction numbers associated with each tire type; Provide recommended desirable or target surface friction numbers as a function of site categories and friction demand. Accomplishments of these objectives will help ODOT address their goal of reducing total crashes 10 percent and rear-end crashes by 25 percent by 2015.
Download or read book Highway Safety Literature written by and published by . This book was released on 1978 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Status Report written by and published by . This book was released on 1971 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Polishing Characteristics of Common Rock Types Used as Aggregate in Bituminous Pavement Surfaces by : SH. Dahir
Download or read book The Polishing Characteristics of Common Rock Types Used as Aggregate in Bituminous Pavement Surfaces written by SH. Dahir and published by . This book was released on 1978 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bituminous pavement surfaces constructed with aggregates of different rock types, or of the same rock type but from different sources, often exhibit different friction characteristics under comparable traffic conditions. Rock type, abrasive size, number of wheel passes, and contact pressure between surface and tire have been generally recognized as primary factors that control the polishing process. To investigate the relation of these factors to rock properties, but without bias caused by shape and size of the aggregate or by mix design, flat surfaces of six rock types varying in texture and mineral composition were polished in a laboratory procedure. Silica in eight grades ranging from 5 to 105 ?m was employed as the abrasive in polishing the surfaces with a reciprocating rubber pad apparatus, and different abrasive sizes were used in succession. Contact pressure was normally 15 psi (103 kPa), but was varied in some cases. The polish attained was measured as friction with a pendulum tester after each cyle of 6000 passes of the polishing pad. The results indicate that the susceptibility to polishing increases with the softness and homogeneity of the rocks, the fineness of the abrasive, the number of polishing cycles, and increased contact pressure.
Download or read book Technical Note written by and published by . This book was released on 1926 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Highway Research Review written by and published by . This book was released on 1962 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book HRIS Abstracts written by and published by . This book was released on 1978 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiment Station Record by : U.S. Office of Experiment Stations
Download or read book Experiment Station Record written by U.S. Office of Experiment Stations and published by . This book was released on 1916 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiment Station Record by : United States. Office of Experiment Stations
Download or read book Experiment Station Record written by United States. Office of Experiment Stations and published by . This book was released on 1926 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Guide for Pavement Friction written by and published by AASHTO. This book was released on 2008 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains guidelines and recommendations for managing and designing for friction on highway pavements. The contents of this report will be of interest to highway materials, construction, pavement management, safety, design, and research engineers, as well as others concerned with the friction and related surface characteristics of highway pavements.
