Location, Selection, and Maintenance of Highway Traffic Barriers PDF Download
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Author: Jarvis Dale Michie
Publisher:
ISBN: 9780309019095
Category : Roads
Languages : en
Pages : 96
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Book Description
Judicious application of current state-of-the-art information on traffic barriers should result in safer highways. traffic barriers, as defined herein, consist of (1) longitudinal systems, such as guardrails, median barriers, and bridge rails; and (2) crash cushion systems, such as a nest of steel drums. The report is directed primarily for use by highway designers as a guide and by maintenance groups as an aid in upgrading existing installations. Traffic barrier systems evaluated by full-scale crash tests and satisfactory service performance are presented, together with a selection procedure.
Author: Jarvis Dale Michie
Publisher:
ISBN: 9780309019095
Category : Roads
Languages : en
Pages : 96
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Book Description
Judicious application of current state-of-the-art information on traffic barriers should result in safer highways. traffic barriers, as defined herein, consist of (1) longitudinal systems, such as guardrails, median barriers, and bridge rails; and (2) crash cushion systems, such as a nest of steel drums. The report is directed primarily for use by highway designers as a guide and by maintenance groups as an aid in upgrading existing installations. Traffic barrier systems evaluated by full-scale crash tests and satisfactory service performance are presented, together with a selection procedure.
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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Book Description
Author: American Association of State Highway and Transportation Officials. Task Force on Traffic Barrier Systems
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 322
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Book Description
The purpose of this document is to summarize the current state of knowledge and to present specific design guidelines for highway traffic barriers. The guidelines establish the conditions which warrant barrier protection. the type of barriers available, their strength, safety, and maintenance characteristics. selection procedures, and how the barrier should be installed dimensionally or geometrically.
Author: Jarvis Dale Michie
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 63
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Book Description
Guardrail and median barrier design information is presented which will permit the safest highways consistent with current state-of-the-art barrier technology. Since guardrail and median barrier installations are hazardous in themselves, emphasis is placed on reducing the number of installations to those which can be clearly justified. The design procedure presented involves two steps: (1) determination of points and length of need for the installation, and (2) selection and layout of appropriate guardrail or median barrier system.
Author: United States. Federal Highway Administration
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Book Description
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher: AASHTO
ISBN: 1560515090
Category : Technology & Engineering
Languages : en
Pages : 345
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Book Description
"The Roadside Design Guide presents a synthesis of current information and operating practices related to roadside safety and is written in dual units-metric and U.S. Customary. This book is a guide. It is not a standard, nor is it a design policy. It is intended to use as a resource document from which individual highway agencies can develop standards and policies. Although much of the material in the guide can be considered universal in its application, several recommendations are subjective in nature and may need modification to fit local conditions. However, it is important that significant deviations from the guide be based on operational experience and objective analysis. The 2011 edition of the AASHTO Roadside Design Guide has been updated to include hardware that has met the evaluation criteria contained in the National Cooperative Highway Research Program (NCHRP) Report 350: Recommended Procedures for the Safety Performance Evaluation of Highway Features and begins to detail the most current evaluation criteria contained under the Manual for Assessing Safety Hardware, 2009 (MASH). For the most part, roadside hardware tested and accepted under older guidelines that are no longer applicable has not been excluded in this edition." -- AASHTO website.
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: Bolt, Beranek, and Newman
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 840
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Book Description
Various methods of assessing noise, loudness, and noise annoyance are reviewed and explained; sources, types, and intensities of traffic noise are noted; typical means of abatement and attenuation are described; design criteria for various land uses ranging from low-density to industrial are suggested and compared with the results of previous BBN and British systems for predicting annoyance and complaint; and a design guide for predicting traffic noise, capable of being programmed for batch and on-line computer applications, is presented in form suitable for use as a working tool. A flow diagram describes the interrelationships of elements in the traffic noise prediction methodology, and each element is discussed in detail in the text. The text is presented of a tape recording that takes the listener through a series of traffic situations, with such variables as traffic distance, flow velocity, distance, outdoors and indoors, and presence or absence of absorbers and attenuators.
Author: William Bowlby
Publisher: Transportation Research Board
ISBN: 9780309053099
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
This synthesis will be of interest to highway environmental engineers, noise analysts, design engineers, maintenance personnel, planners, administrators, and others responsible for the design, selection, and maintenance of noise barriers or other traffic noise abatement policies. Information is provided on current state practice associated with noise abatement techniques and on the various products that are used. This synthesis describes the state of the art with respect to traffic noise abatement procedures, especially noise barriers. This report of the Transportation Research Board provides information on the design, construction and maintenance of both new (Type I) and retrofit ( Type II) noise barriers. The design elements that are addressed include materials, the selection process, service life, foundations, drainage, aesthetics, and safety. The construction section covers technical problems related to surface effects, durability, snow damage, and costs. Other noise abatement measures such as insulation and highway design alternatives are also addressed. The issue of public demand and availability funding is included, and recommendations are made to improve the situation.
Author: United States. National Highway Traffic Safety Administration
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages :
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Book Description
