Comparison and Definition of State DOT's Practices in Selection of Materials for Pavements PDF Download
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Author: Arudi Rajagopal
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 198
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Book Description
This report presents the details of a study conducted by Infrastructure Management and Engineering (INFRAME) to review Ohio Department of Transportation's (ODOT's) current pavement material selection practices and suggest improvements where necessary. The present study was initiated by ODOT's Office of Materials Management as part of its continuing effort to improve the quality and cost-effectiveness of the materials used to construct pavements in Ohio. This report synthesizes the state-of-thepractice review of pavement materials selection procedures and criteria in Ohio and other State Department of Transportation. The study was conducted in three parts: (i) a review of the literature, (ii) a survey of state DOT.s, and (iii) a critical review of ODOT practices, including recommendations for improvement. The results of the literature review and the survey of the states (presented as an interactive computer database) will primarily be of interest to the ODOT technical staff who are involved in the day-to-day details of the materials selection process. The critical review of ODOT's practices will be of interest to ODOT managers responsible for charting the future course of the program. No significant changes in ODOT's material selection procedures are needed. Indeed, a review of ODOT's procedures, in comparison to the practices presented in the published literature and described in a survey of states agencies (conducted as a part of this study), conveys an extremely positive impression, which reflects favorably upon the department as a whole. The Office of Materials Management provides necessary support services and at the same time constantly strives to identify areas in need of improvement. The principal recommendations of the study are that two asphalt materials (foamed asphalt and warm mix asphalt), several recycled materials, and an improved aggregate test procedure (the Micro Deval procedure) be further evaluated to determine their potential for providing better performing and/or more economical Ohio pavements.
Author: Arudi Rajagopal
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 198
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Book Description
This report presents the details of a study conducted by Infrastructure Management and Engineering (INFRAME) to review Ohio Department of Transportation's (ODOT's) current pavement material selection practices and suggest improvements where necessary. The present study was initiated by ODOT's Office of Materials Management as part of its continuing effort to improve the quality and cost-effectiveness of the materials used to construct pavements in Ohio. This report synthesizes the state-of-thepractice review of pavement materials selection procedures and criteria in Ohio and other State Department of Transportation. The study was conducted in three parts: (i) a review of the literature, (ii) a survey of state DOT.s, and (iii) a critical review of ODOT practices, including recommendations for improvement. The results of the literature review and the survey of the states (presented as an interactive computer database) will primarily be of interest to the ODOT technical staff who are involved in the day-to-day details of the materials selection process. The critical review of ODOT's practices will be of interest to ODOT managers responsible for charting the future course of the program. No significant changes in ODOT's material selection procedures are needed. Indeed, a review of ODOT's procedures, in comparison to the practices presented in the published literature and described in a survey of states agencies (conducted as a part of this study), conveys an extremely positive impression, which reflects favorably upon the department as a whole. The Office of Materials Management provides necessary support services and at the same time constantly strives to identify areas in need of improvement. The principal recommendations of the study are that two asphalt materials (foamed asphalt and warm mix asphalt), several recycled materials, and an improved aggregate test procedure (the Micro Deval procedure) be further evaluated to determine their potential for providing better performing and/or more economical Ohio pavements.
Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
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.
Author: Gerardo W. Flintsch
Publisher: Transportation Research Board
ISBN: 0309142474
Category : Technology & Engineering
Languages : en
Pages : 154
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Book Description
Author: Diana Knott
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 314
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Book Description
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
ISBN: 1560510552
Category : Pavements
Languages : en
Pages : 622
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Book Description
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Author: Charles S. Hughes
Publisher: Transportation Research Board
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 54
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Book Description
This synthesis will be of interest to state DOT construction, materials, statistical, specification, and inspection engineers; DOT research staff; pavement construction material suppliers; highway construction contractors; and civil engineering consulting firms, including field and laboratory materials testing personnel. The synthesis describes the state of the practice for defining and measuring variability in highway pavement construction. Data obtained from a review of the literature, a survey of state departments of transportation (DOTs), and discussions with selected state DOT personnel and private materials producers are presented. This report of the Transportation Research Board defines several measures of variability but concentrates on the use of standard deviation as the usual measure of variability. The synthesis updates reported typical variabilities found in materials and construction specifications. Also included are discussions of current research activities as related to variability, how variability can be used in the development of specification limits, the use of incentives and disincentives in specifications, and the need for additional information on the variability of several materials and construction processes.
Author: American Association of State Highway and Transportation Officials
Publisher: AASHTO
ISBN: 156051423X
Category : Pavements
Languages : en
Pages : 218
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Book Description
Author: Asphalt Institute
Publisher:
ISBN: 9781934154175
Category : Asphalt
Languages : en
Pages : 102
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Book Description
Author: Diana Knott
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 234
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Book Description
Author:
Publisher: AASHTO
ISBN: 1560514280
Category : Pavements
Languages : en
Pages : 87
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Book Description
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.
