Assessment Of The Performance Of Several Roadway Mixes Under Rain Snow And Winter Maintenance Activities

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Assessment of the Performance of Several Roadway Mixes Under Rain, Snow, and Winter Maintenance Activities

Author : Gerardo W. Flintsch
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (2 download)

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Book Synopsis Assessment of the Performance of Several Roadway Mixes Under Rain, Snow, and Winter Maintenance Activities by : Gerardo W. Flintsch

Download or read book Assessment of the Performance of Several Roadway Mixes Under Rain, Snow, and Winter Maintenance Activities written by Gerardo W. Flintsch and published by . This book was released on 2004 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to assess the relative functional performance, including skid resistance and splash and spray, of five hot-mix-asphalt (HMA) surfaces and a tinned portland cement concrete highway surface during controlled wet and wintry weather events. The study compared the way that these surfaces respond to various deicing and anti-icing snow removal and ice control techniques under artificial wintry conditions. In addition, the splash and spray characteristics of the surfaces during and immediately after rain were also evaluated. The study focused on the surfaces placed within the all-weather testing area at the Virginia Smart Road. The winter maintenance techniques tested include the application of sodium chloride (salt) in granular, pre-wetted, and liquid forms. The snow removal and ice control measures that were used followed the recommendation of the FHWA Project T & E 28 and variations thereof. The experiments to compare the splash and spray characteristics of the mixes were conducted using artificial rain. The study defined and tested a methodology for testing winter maintenance operations under controlled, artificial wintry events. The winter maintenance test results were inconclusive, as the various maintenance treatments were unable to significantly improve the functional condition of the road. Under the temperature and precipitation conditions encountered, there were no significant differences in the performance of the different surface mixes tested. However, conditions encountered did not correspond to conditions normally encountered with natural snow. The researcher concluded that at temperatures at and just below freezing, artificial snow might not be appropriate for evaluating the effectiveness of winter maintenance chemicals. Studies that depend upon imitating the on-road attributes of natural snow, such as testing effectiveness of winter maintenance chemicals, should adhere to the ideal temperature-humidity guidelines for the snowmaking equipment. The open-graded friction course appears to have enhanced spray and splash performance when compared with the dense HMA surface mixes; however, a more objective measure of splash and spray characteristics of the surfaces is needed to quantify the beneficial effect of this type of mixes. No visual difference in performance was observed among the other mixes.

Evaluation of Alternative Anti-icing and Deicing Compounds Using Sodium Chloride and Magnesium Chloride as Baseline Deicers, Phase I

Download Evaluation of Alternative Anti-icing and Deicing Compounds Using Sodium Chloride and Magnesium Chloride as Baseline Deicers, Phase I PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Evaluation of Alternative Anti-icing and Deicing Compounds Using Sodium Chloride and Magnesium Chloride as Baseline Deicers, Phase I by :

Download or read book Evaluation of Alternative Anti-icing and Deicing Compounds Using Sodium Chloride and Magnesium Chloride as Baseline Deicers, Phase I written by and published by . This book was released on 2009 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Virginia State Documents

Author :
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Virginia State Documents by :

Download or read book Virginia State Documents written by and published by . This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Report

Author :
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.P/5 (25 download)

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Book Synopsis Report by :

Download or read book Report written by and published by . This book was released on 2009 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gravel Roads

Author : Ken Skorseth
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Gravel Roads by : Ken Skorseth

Download or read book Gravel Roads written by Ken Skorseth and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.

Quantifying Uncertainty in Real Time Performance Measurement for Highway Winter Maintenance Operations

Author : Jillian Lyon
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (894 download)

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Book Synopsis Quantifying Uncertainty in Real Time Performance Measurement for Highway Winter Maintenance Operations by : Jillian Lyon

Download or read book Quantifying Uncertainty in Real Time Performance Measurement for Highway Winter Maintenance Operations written by Jillian Lyon and published by . This book was released on 2014 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winter weather in Iowa is often unpredictable and can have an adverse impact on traffic flow. The Iowa Department of Transportation (Iowa DOT) attempts to lessen the impact of winter weather events on traffic speeds with various proactive maintenance operations. In order to assess the performance of these maintenance operations, it would be beneficial to develop a model for expected speed reduction based on weather variables and normal maintenance schedules. Such a model would allow the Iowa DOT to identify situations in which speed reductions were much greater than or less than would be expected for a given set of storm conditions, and make modifications to improve efficiency and effectiveness. The objective of this work was to predict speed changes relative to baseline speed under normal conditions, based on nominal maintenance schedules and winter weather covariates (snow type, temperature, and wind speed), as measured by roadside weather stations. This allows for an assessment of the impact of winter weather covariates on traffic speed changes, and estimation of the effect of regular maintenance passes. The researchers chose events from Adair County, Iowa and fit a linear model incorporating the covariates mentioned previously. A Bayesian analysis was conducted to estimate the values of the parameters of this model. Specifically, the analysis produces a distribution for the parameter value that represents the impact of maintenance on traffic speeds. The effect of maintenance is not a constant, but rather a value that the researchers have some uncertainty about and this distribution represents what they know about the effects of maintenance. Similarly, examinations of the distributions for the effects of winter weather covariates are possible. Plots of observed and expected traffic speed changes allow a visual assessment of the model fit. Future work involves expanding this model to incorporate many events at multiple locations. This would allow for assessment of the impact of winter weather maintenance across various situations, and eventually identify locations and times in which maintenance could be improved.

Construction and Maintenance Practices for Permeable Friction Courses

Author : L. Allen Cooley
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Construction and Maintenance Practices for Permeable Friction Courses by : L. Allen Cooley

Download or read book Construction and Maintenance Practices for Permeable Friction Courses written by L. Allen Cooley and published by Transportation Research Board National Research. This book was released on 2009 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 640: Construction and Maintenance Practices for Permeable Friction Courses explores recommended practices for the design and construction of permeable friction courses (PFC) and examines PFC maintenance and rehabilitation. NCHRP Web-Only Document 138: Annotated Literature Review for NCHRP Report 640 includes summaries of various items that were found in the literature review associated with the production of NCHRP Report 640.

Development of a Safety Audit Procedure for Wisconsin- with the Accommodation of Weather

Author : Zylkia Martín
Publisher :
ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Development of a Safety Audit Procedure for Wisconsin- with the Accommodation of Weather by : Zylkia Martín

Download or read book Development of a Safety Audit Procedure for Wisconsin- with the Accommodation of Weather written by Zylkia Martín and published by . This book was released on 2005 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Summary of Evaluation Findings for the Testing of Seismic Isolation and Energy Dissipating Devices

Author : Highway Innovative Technology Evaluation Center (U.S.)
Publisher : ASCE Publications
ISBN 13 : 9780784474679
Total Pages : 112 pages
Book Rating : 4.4/5 (746 download)

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Book Synopsis Summary of Evaluation Findings for the Testing of Seismic Isolation and Energy Dissipating Devices by : Highway Innovative Technology Evaluation Center (U.S.)

Download or read book Summary of Evaluation Findings for the Testing of Seismic Isolation and Energy Dissipating Devices written by Highway Innovative Technology Evaluation Center (U.S.) and published by ASCE Publications. This book was released on 1999-01-01 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. his report summarizes the results of an evaluation that was designed to test the performance of 11 seismic isolators and dampers. The devices were tested for stability, response during earthquake simulations, and fatigue and weathering effects.

Snow Removal Performance Metrics

Author : Gang Xu
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (12 download)

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Book Synopsis Snow Removal Performance Metrics by : Gang Xu

Download or read book Snow Removal Performance Metrics written by Gang Xu and published by . This book was released on 2017 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is the final report for the Clear Roads project entitled Snow Removal Performance Metrics. The project team was led by researchers at Washington State University on behalf of Clear Roads, an ongoing pooled fund research effort focused on winter maintenance materials, equipment, and methods. Clear Roads research projects are managed and administered by the Minnesota Department of Transportation (MnDOT). Through this project, the research team conducted a comprehensive literature review on the use of performance measures by transportation agencies for winter highway maintenance activities. To identify the effective performance metrics for snow and ice maintenance operations, the team surveyed all possible snow and ice states to gather information about their use of performance measures. The survey results were tabulated and analyzed to identify commonalities and differences between agencies and to develop a matrix of performance measures. Relative costs associated with different metrics were also presented. Based on the literature review and survey results, recommendations were made regarding the performance measures that should be considered for further evaluation. Remaining knowledge gaps were also identified, and recommendations were made for cases where existing measures may be modified or new measures developed for evaluation in future research.

Roads and Streets

Author :
Publisher :
ISBN 13 :
Total Pages : 682 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Roads and Streets by :

Download or read book Roads and Streets written by and published by . This book was released on 1927 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for include section: Bituminous roads and streets.

Highway & Heavy Construction

Author :
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Highway & Heavy Construction by :

Download or read book Highway & Heavy Construction written by and published by . This book was released on 1927 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study and Research on Road Technique and the Economy of Infrastructures

Author : International Road Transport Union
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Study and Research on Road Technique and the Economy of Infrastructures by : International Road Transport Union

Download or read book Study and Research on Road Technique and the Economy of Infrastructures written by International Road Transport Union and published by . This book was released on 1979 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transportation Research News

Author :
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.X/5 (1 download)

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Book Synopsis Transportation Research News by :

Download or read book Transportation Research News written by and published by . This book was released on 1978 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Winter Maintenance, Roadside Management, and Rating Routine Maintenance Activities

Author : National Research Council (U.S.). Transportation Research Board
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis Winter Maintenance, Roadside Management, and Rating Routine Maintenance Activities by : National Research Council (U.S.). Transportation Research Board

Download or read book Winter Maintenance, Roadside Management, and Rating Routine Maintenance Activities written by National Research Council (U.S.). Transportation Research Board and published by Transportation Research Board National Research. This book was released on 1989 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Where the Weather Meets the Road

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309166578
Total Pages : 189 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Where the Weather Meets the Road by : National Research Council

Download or read book Where the Weather Meets the Road written by National Research Council and published by National Academies Press. This book was released on 2004-03-31 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weather has broad and significant effects on the roadway environment. Snow, rain, fog, ice, freezing rain, and other weather conditions can impair the ability of drivers to operate their vehicles safely, significantly reduce roadway capacity, and dramatically increase travel times. Multiple roadway activities, from roadway maintenance and construction to shipping, transit, and police operations, are directly affected by inclement weather. Some road weather information is available to users currently, however a disconnect remains between current research and operations, and additional research could yield important safety and economic improvements for roadway users. Meteorology, roadway technology, and vehicle systems have evolved to the point where users could be provided with better road weather information through modern information technologies. The combination of these technologies has the potential to significantly increase the efficiency of roadway operations, road capacity, and road safety. Where the Weather Meets the Road provides a roadmap for moving these concepts to reality.

Sustainable Winter Road Operations

Author : Xianming Shi
Publisher : John Wiley & Sons
ISBN 13 : 1119185068
Total Pages : 476 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Sustainable Winter Road Operations by : Xianming Shi

Download or read book Sustainable Winter Road Operations written by Xianming Shi and published by John Wiley & Sons. This book was released on 2018-08-27 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first and only comprehensive guide to best practices in winter road operations Winter maintenance operations are essential to ensure the safety, mobility, and productivity of transportation systems, especially in cold-weather climates, and responsible agencies are continually challenged to provide a high level of service in a fiscally and environmentally responsible manner. Sustainable Winter Road Operations bridges the knowledge gaps, providing the first up-to-date, authoritative, single-source overview and guide to best practices in winter road operations that considers the triple bottom line of sustainability. With contributions from experts in the field from around the world, this book takes a holistic approach to the subject. The authors address the many negative impacts on regional economies and the environment of poorly planned and inadequate winter road operations, and they make a strong case for the myriad benefits of environmentally sustainable concepts and practices. Best practice applications of materials, processes, equipment, and associated technologies and how they can improve the effectiveness and efficiency of winter operations, optimize materials usage, and minimize cost, corrosion, and environmental impacts are all covered in depth. Provides the first up-to-date, authoritative and comprehensive overview of best practices in sustainable winter road operations currently in use around the world Covers materials, processes, equipment, and associated technologies for sustainable winter road operations Brings together contributions by an international all-star team of experts with extensive experience in designing, implementing, and managing sustainable winter road operations Designed to bring professionals involved in transportation and highway maintenance and control up to speed with current best practice Sustainable Winter Road Operations is essential reading for maintenance professionals dealing with snow and ice control operations on highways, motorways and local roads. It is a valuable source of information and guidance for decision makers, researchers, and engineers in transportation engineering involved in transportation and highway maintenance. And it is an ideal textbook for advanced-level courses in transportation engineering.