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Author: Michael A. Perfater
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 33
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Book Description
The report presents the findings of a study of eight noise barriers installed along interstate and primary roads. A total of 488 interviews were conducted in eight communities adjacent to the barriers to determine citizens' perception of the effectiveness- of these structures. For all eight sites, 57% of the people interviewed were satisfied with the noise barriers and a little more than half felt the barriers were reducing noise. Citizens were most satisfied with a beige metal barrier and least satisfied with a blue metal barrier. Aesthetically, a wood plank barrier was rated the most desirable and the concrete wall the least. Noise barriers were seen as having a far more positive than negative effect on the adjacent communities. However, noise attenuation was found to be the primary positive effect in but three of the communities surveyed, and these three were adjacent to an interstate highway. In addition to attenuating noise, barriers were said to give uniformity to the appearance of the neighborhood, increase property values, enhance the environment and safety, and increase privacy and isolation. Perceived negative effects included degradation of community aesthetics and decreases in property values. About 23% of the respondents said they could have settled for a cash award in lieu of a barrier. A significant number of respondents indicated that vegetation should be considered as both an alternative for and as an addition to noise barriers.
Author: Michael A. Perfater
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 33
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Book Description
The report presents the findings of a study of eight noise barriers installed along interstate and primary roads. A total of 488 interviews were conducted in eight communities adjacent to the barriers to determine citizens' perception of the effectiveness- of these structures. For all eight sites, 57% of the people interviewed were satisfied with the noise barriers and a little more than half felt the barriers were reducing noise. Citizens were most satisfied with a beige metal barrier and least satisfied with a blue metal barrier. Aesthetically, a wood plank barrier was rated the most desirable and the concrete wall the least. Noise barriers were seen as having a far more positive than negative effect on the adjacent communities. However, noise attenuation was found to be the primary positive effect in but three of the communities surveyed, and these three were adjacent to an interstate highway. In addition to attenuating noise, barriers were said to give uniformity to the appearance of the neighborhood, increase property values, enhance the environment and safety, and increase privacy and isolation. Perceived negative effects included degradation of community aesthetics and decreases in property values. About 23% of the respondents said they could have settled for a cash award in lieu of a barrier. A significant number of respondents indicated that vegetation should be considered as both an alternative for and as an addition to noise barriers.
Author: Michael A. Perfater
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 22
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Book Description
The report presents the findings of a study of timber, concrete, and metal barriers installed along certain of the Commonwealth's interstate and primary roads. A total of 297 home interviews were conducted in five communities to determine citizens' perception of the effectiveness of these barriers. The interviews were conducted over a 13-week period during the summer of 1978. More than two-thirds of the respondents had lived in their current dwellings before the noise barrier was built; 11% of them before the highway facility was built. About 92% of the respondents were homeowners, 60% were between the ages of 31 and 50 and the average age of the homes surveyed was 12 years. For all five sites, 78% of the respondents were satisfied with the barriers and about half felt the barriers were reducing the noise significantly. In general satisfaction they ranked the concrete barrier first and a barrier with offset metal panels next. Aesthetically, a wood panel type barrier was rated the most desirable. In urban locations the wooden barriers appeared to be slightly more desirable than the metal one. Barriers along non-limited access roads were not seen to be as effective as those located along limited access roads. In addition to attenuating noise, barriers were said to provide security from would be-intruders, uniformity in the appearance of the neighborhood, privacy, safety and a reduction in road tar and air pollution. About a third of the respondents said that the barriers had a positive effect on the value of their property. A significant number of respondents indicated that vegetation was a viable alternative to noise barriers.
Author: M. A. Perfater
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 66
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Book Description
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.
Author: Benz Kotzen
Publisher: CRC Press
ISBN: 148226613X
Category : Technology & Engineering
Languages : en
Pages : 282
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Book Description
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.
Author: Daniela Siano
Publisher: BoD – Books on Demand
ISBN: 1839682396
Category : Technology & Engineering
Languages : en
Pages : 174
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Book Description
Noise pollution is one of the factors that affect the quality of life of the general population, especially in urban areas, where the noise levels are often high due to the presence of numerous sources, such as transport infrastructures, activities production and commercial areas, entertainment venues and other sound sources which, although temporary, such as construction sites and outdoor music events, affect general noise levels. Even if noise is one of the oldest pollutants referred to in history, for years, the problem of noise pollution has been often considered less important than others related to the environment, such as air pollution, water pollution, and waste management.The regulations in force to contain the noise have become increasingly stringent as each individual is constantly exposed to noise and often the noise is treated just as a scourge of modern society. Making noise is becoming easier and cheaper each day, but just the opposite for controlling it. Deeper studies are needed to understand the core of current noise problems; new materials and techniques are needed to control them. This book is a combination of theory and practice based on the latest research. The studies in this book range from evaluation methods for the perception of noise and outline forecast criteria that can be integrated with applications for acoustic mapping as well as the use of innovative techniques and materials for its abatement. The main purpose of this book, organized in 8 chapters, is to provide an overview of the recent studies in this field and the applications in different research studies. The authors, contributing to the success of this book, provide a series of practical applications of their recent studies aimed at the reduction of noise in different environments. The editors would like to thank all the authors who, through their studies and research, have accepted our invitation to share recent discoveries in this field with the scientific community.
Author: F. Thomas Creasey
Publisher:
ISBN:
Category :
Languages : en
Pages : 46
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Author:
Publisher:
ISBN:
Category : Airport noise
Languages : en
Pages : 200
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Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 336
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Book Description
Author: Kenneth Polcak
Publisher:
ISBN:
Category : Noise barriers
Languages : en
Pages : 8
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Book Description
