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In Service Experience With Traffic Noise Barriers
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Book Synopsis In-service Experience with Traffic Noise Barriers by : William Bowlby
Download or read book In-service Experience with Traffic Noise Barriers written by William Bowlby and published by Transportation Research Board. This book was released on 1992 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis In-service Experience with Traffic Noise Barriers by : William Bowlby
Download or read book In-service Experience with Traffic Noise Barriers written by William Bowlby and published by . This book was released on 1992 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Service Life of Noise Barrier Walls in Illinois by : Dianne H. Kay
Download or read book Evaluation of Service Life of Noise Barrier Walls in Illinois written by Dianne H. Kay and published by . This book was released on 1999 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of this project included: development of a means to quantify the service lives of materials used for construction of noise barriers in Illinois; development of a life cycle cost model for the evaluation of alternative materials; and evaluation of the need for potential changes to the Special Provisions for noise barrier construction currently used in Illinois. The project included a survey of all state departments of transportation (DOTs) to develop information on experiences with noise barrier materials and products, which showed that nationwide, less than 1% of noise barriers by length have been repaired or replaced, and that few DOTs use life cycle cost analysis for selection of noise barriers. A comprehensive list of the materials currently approved for use in Illinois by the Illinois Highway Development Council was developed. The current condition of existing Illinois noise barriers was assessed by field observation, and Illinois Department of Transportation (IDOT) maintenance personnel were surveyed to develop information on maintenance histories, costs of repairs, scheduled repair or replacement of barriers, and estimated service lives of barriers in place. Service life criteria were developed considering the structural, acoustical, and aesthetic functions of noise barriers. A life cycle cost model was developed and the relative life cycle costs of existing Illinois noise barriers were computed. Noise barrier specifications supplied by IDOT and the Illinois State Toll Highway Authority were reviewed, and recommendations for improving the organization and content of the specifications were made.
Book Synopsis Design of Wood Highway Sound Barriers by :
Download or read book Design of Wood Highway Sound Barriers written by and published by . This book was released on 2001 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: As new and existing U.S. residential areas and high volume highways continue to intermingle, traffic noise abatement procedures continue to be important. This study investigated the acoustic effectiveness, public acceptance, and structural requirements of various designs and types of sound barriers. In addition, the acoustic effectiveness of a prototype sound barrier is reported. Results are presented on the acoustic effectiveness from in situ measurements of one cement bonded composite panel barrier and four precast concrete, two plywood, two glued-laminated, and three post and panel barriers. The research on public acceptance of sound barriers focused on the perception of visual compatibility. Based on results from semantic-differential and individual ratings, wood and concrete barrier designs were perceived to have favored gbsruralgcs qualities. Data collected during the research on acoustic effectiveness and public acceptance were used to develop structural requirements and construction details for a prototype wood sound barrier. The prototype wood sound barrier provided insertion losses of 15 dB or greater, exceeding the 10-dB acceptable performance for a highway sound barrier.
Book Synopsis Environmental Noise Barriers by : Benz Kotzen
Download or read book Environmental Noise Barriers written by Benz Kotzen and published by CRC Press. This book was released on 2002-01-04 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noise pollution generated by transport is acknowledged to be a major environmental problem. This book examines both the acoustic and landscape issues affecting the design of barriers. By addressing the needs of the whole design team, it provides expert guidance on good practice and highlights the pitfalls of poor design. Detailed consideration is g
Book Synopsis Highway Traffic Noise in the United States by :
Download or read book Highway Traffic Noise in the United States written by and published by . This book was released on 1997 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Studies and Intelligence Engineering by : L.C. Jain
Download or read book Design Studies and Intelligence Engineering written by L.C. Jain and published by IOS Press. This book was released on 2023-01-31 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technologies applied in design studies vary from basic theories to more application-based systems. Intelligence engineering also plays a significant role in design sciences such as computer-aided industrial design, human factor design, and greenhouse design, and intelligent engineering technologies such as computational technologies, sensing technologies, and video detection encompass both theory and application perspectives. Being multidisciplinary in nature, intelligence engineering promotes cooperation, exchange and discussion between organizations and researchers from diverse fields. This book presents the proceedings of DSIE 2022, the International Symposium on Design Studies and Intelligence Engineering, held in Hangzhou, China, on 29 & 30 October 2022. This annual conference proves a platform for professionals and researchers from industry and academia to exchange and discuss recent advances in the field of design studies and intelligence engineering, inviting renowned experts from around the world to speak on their specialist topics, and allowing for in-depth discussion with presenters. The 189 submissions received were each carefully reviewed by 3 or 4 referees, and the 62 papers accepted for presentation and publication were selected based on their scores. Papers cover a very wide range of topics, from the design of a bachelor apartment, or a children’s backpack for healthy spine development, to interpretable neural symbol learning methods and design elements extraction from point-cloud datasets using deep enhancement learning. Offering a varied overview of recent developments in design and intelligence engineering, this book will be of interest to all those working in the field.
Book Synopsis Environmental Noise Barriers by : Benz Kotzen
Download or read book Environmental Noise Barriers written by Benz Kotzen and published by CRC Press. This book was released on 2014-04-21 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Noise Barriers is a unique one-stop reference for practitioners, whether acoustical engineers, landscape architects, or manufacturers, and for highways departments in local and central authorities. This extensively revised new edition is updated in line with UK and EU legislation and international provision of barriers.
Download or read book Geopolymers written by J L Provis and published by Elsevier. This book was released on 2009-06-22 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: A geopolymer is a solid aluminosilicate material usually formed by alkali hydroxide or alkali silicate activation of a solid precursor such as coal fly ash, calcined clay and/or metallurgical slag. Today the primary application of geopolymer technology is in the development of reduced-CO2 construction materials as an alternative to Portland-based cements. Geopolymers: structure, processing, properties and industrial applications reviews the latest research on and applications of these highly important materials. Part one discusses the synthesis and characterisation of geopolymers with chapters on topics such as fly ash chemistry and inorganic polymer cements, geopolymer precursor design, nanostructure/microstructure of metakaolin and fly ash geopolymers, and geopolymer synthesis kinetics. Part two reviews the manufacture and properties of geopolymers including accelerated ageing of geopolymers, chemical durability, engineering properties of geopolymer concrete, producing fire and heat-resistant geopolymers, utilisation of mining wastes and thermal properties of geopolymers. Part three covers applications of geopolymers with coverage of topics such as commercialisation of geopolymers for construction, as well as applications in waste management. With its distinguished editors and international team of contributors, Geopolymers: structure, processing, properties and industrial applications is a standard reference for scientists and engineers in industry and the academic sector, including practitioners in the cement and concrete industry as well as those involved in waste reduction and disposal. Discusses the synthesis and characterisation of geopolymers with chapters covering fly ash chemistry and inorganic polymer cements Assesses the application and commercialisation of geopolymers with particular focus on applications in waste management Reviews the latest research on and applications of these highly important materials
Book Synopsis Guidelines for Evaluating the Performance of Highway Sound Barriers by : Highway Innovative Technology Evaluation Center (U.S.)
Download or read book Guidelines for Evaluating the Performance of Highway Sound Barriers written by Highway Innovative Technology Evaluation Center (U.S.) and published by ASCE Publications. This book was released on 1996-01-01 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared by the Highway Innovative Technology Evaluation Center, a CERF Service Center. This report presents the HITEC evaluation plan for U.S. Gypsum's Sight and Sound Screen. The Sight and Sound Screen is a post-and-panel wall system designed to act as a sight and sound barrier for highways and as a privacy system for residential and commercial property owners. The HITEC evaluation will measure the performance of the barrier against the criteria presented in this report, which reflect the needs of the highway community. Although this evaluation plan was tailored to one product, as a service to state and local transportation officials the report was expanded to provide guidelines that can be adapted for use with other types of sound wall systems.
Download or read book Roadside Noise Abatement written by and published by OECD Publishing. This book was released on 1995 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preliminary Assessment of Traffic Noise Effectiveness for Project HAM-71-11.44 by : Lloyd Allen Herman
Download or read book Preliminary Assessment of Traffic Noise Effectiveness for Project HAM-71-11.44 written by Lloyd Allen Herman and published by . This book was released on 1997 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The completion of the traffic noise barrier project HAM-71-11.44 in Ohio was met with strong reaction from those living in the project area. Many residents complained that noise levels had actually increased at their location as a result of the project, while others claimed that levels had decreased where they lived. The preliminary assessment project was initiated to determine the nature and extent of any problems that had occurred with the construction of the noise barriers. A two-pronged approach was used for the study. First, a survey of residents was conducted to characterize the residents' perception of changes in noise levels due to construction of the barriers. Second, a physical investigation of the project area was made, which included roadway and barrier geometries, traffic characteristics before and after barrier construction, and acoustical measurements to characterize the noise environment in the project area.
Author :United States. Federal Highway Administration. Office of Environment and Planning. Noise and Air Quality Branch Publisher : ISBN 13 : Total Pages :76 pages Book Rating :4.:/5 (1 download)
Book Synopsis Highway Traffic Noise Analysis and Abatement by : United States. Federal Highway Administration. Office of Environment and Planning. Noise and Air Quality Branch
Download or read book Highway Traffic Noise Analysis and Abatement written by United States. Federal Highway Administration. Office of Environment and Planning. Noise and Air Quality Branch and published by . This book was released on 1995 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effectiveness of Noise Barriers Installed Adjacent to Transverse Grooved Concrete Pavement by : Lloyd Allen Herman
Download or read book Effectiveness of Noise Barriers Installed Adjacent to Transverse Grooved Concrete Pavement written by Lloyd Allen Herman and published by . This book was released on 2009 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years the Ohio Department of Transportation (ODOT) has reconstructed a number of roadways where asphalt pavements were replaced with random transverse grooved concrete pavements. Upon completion, residents living adjacent to the reconstructed roadways have complained of increased noise levels. The Federal Highway Administration (FHWA) Traffic Noise Model (TNM) is used to determine if predicted traffic noise levels warrant abatement and to design the abatement structures. The public perception problem described above suggests that the model does not result in adequate noise barrier abatement designs near random transverse grooved concrete pavements. The overall goal of this project was to provide ODOT with accurate TNM noise predictions when modeling random transverse grooved concrete pavement highways. Three random transverse grooved PCC roadway sites were chosen for study where high quality sound recordings were taken. Sites 1 (Cincinnati I-275) and 2 (Troy I-75) were chosen to represent the noise quality experienced by residents adjacent to the roadway, where the residential areas were separated from the roadway by sound barriers. Site 3 (Madison County I-70) was chosen to study the attenuation of road noise with distance in an easily-characterized environment; an open soybean cropland essentially level on both sides of the roadway with no noise barrier. Through a paired t-test the research findings determined that the sample means of the TNM average pavement and the ODOT random transverse grooved pavement were not equivalent based upon a level of confidence of 95 percent. An examination of the one-third octave band frequency levels indicated that at frequencies greater than 500 Hz, the measured traffic noise levels exceeded both the TNM average pavement type and TNM ODOT random transverse grooved pavement predictions. However, at frequencies less than 500 Hz the predictions tended to exceed the measurements. It is recommended that the experimental version of TNM developed for this project, using the current ODOT random transverse grooved concrete pavement REMEL, should not be used in practice due to its potential to under-predict traffic noise levels. A new surface texture specification should also be developed for concrete pavements to replace the current specification in order to reduce tire/pavement noise levels while maintaining or improving safety and durability characteristics.
Book Synopsis I-696 Construction from Lahser Road to I-75, Oakland County by :
Download or read book I-696 Construction from Lahser Road to I-75, Oakland County written by and published by . This book was released on 1981 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :California. Dept. of Transportation. Special Task Force on Noise Barriers Publisher : ISBN 13 : Total Pages :106 pages Book Rating :4.:/5 (1 download)
Book Synopsis California Noise Barriers by : California. Dept. of Transportation. Special Task Force on Noise Barriers
Download or read book California Noise Barriers written by California. Dept. of Transportation. Special Task Force on Noise Barriers and published by . This book was released on 1992 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Environmental Acoustics by : James P. Cowan
Download or read book Handbook of Environmental Acoustics written by James P. Cowan and published by John Wiley & Sons. This book was released on 1993-12-16 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because environmental acoustics has a complex mathematical basis,it is often difficult to determine whether acousticalrecommendations are valid. Handbook of Environmental Acousticssimplifies this decision-making process and provides easy-to-followexplanations of acoustic terminology, noise control design, andregulatory noise issues. The book clarifies key aspects ofenvironmental noise in basic language, covering: * Common noise sources--including the risk of exposure to commondaily environmental noise sources * Current noise regulations, guidelines, andstandards--illustrating all key points * Acoustic terminology and environmental noisedescriptors--providing a foundation for understanding noiseissues * Effects of noise on people and animals--emphasizing theimportance of restricting noise exposure * Relevant noise rating methods--clarifiying the use of noisemetrics * Construction and building code requirements--explaining currentrequirements and featuring tips on how to avoid privacyproblems * Measurement considerations--demonstrating standard methods andoffering practical advice on how to ensure proper measurementprocedures * Noise control designs--detailing source-path-receiver systems andnoise control fundamentals In addition to traditional noise control methods, new areas, suchas active noise control, sound intensity measurement, and diffusivedesigns, are explained. A sample municipal noise ordinance helpsthe user to draft an ordinance tailored to the needs of aparticular community. Avoiding complex mathematics and analyses,Handbook of Environmental Acoustics is a user-friendly manual forurban planners, municipal officials, engineers, attorneys,industrial hygienists, architects, environmental professionals, andstudents in these fields.
