Relevant bibliographies by topics / Noise barriers

Academic literature on the topic 'Noise barriers'

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Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Noise barriers"

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Strazdas, Edgaras, and Tomas Januševičius. "NOISE BARRIERS EFFICIENCY DEPENDENCE ON THEIR SHAPE AND GEOMETRY." Mokslas - Lietuvos ateitis 15 (September 18, 2023): 1–5. http://dx.doi.org/10.3846/mla.2023.19430.

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The work examines noise barriers and evaluates their effectiveness when changing their geometry and shape. Noise barriers are one of the most effective and widely used methods of reducing noise caused by road and railway transport. The effectiveness of the barrier depends on the materials used in the construction, the barrier’s height, geometry, shape, and the acoustic properties of the additional elements installed on top of the barriers. The aim of the work is to review and analyze the scientific literature, which would allow to evaluate the dependence of the acoustic characteristics of noise-reducing barriers on the geometry and shape of the barrier, and to provide recommendations for the design and selection of noise barriers.
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Menounou, Penelope, and Evangelos Papaefthymiou. "Use of Noise Barriers for Helicopter Noise Mitigation." Noise & Vibration Worldwide 40, no. 5 (May 2009): 10–21. http://dx.doi.org/10.1260/095745609788549248.

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The possibility of using noise barriers for helicopter noise mitigation is numerically investigated. The noise field produced by an isolated main rotor in the presence of a barrier on the ground is predicted by employing and appropriately modifying existing diffraction and reflection models. It is shown that noise barriers can provide substantial shielding from helicopter noise and conclusions are drawn regarding barrier configuration and helicopter operations.
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Redondo, Javier, Pau Gaja-Silvestre, Luis Godinho, and Paulo Amado-Mendes. "A Simple Method to Estimate the In Situ Performance of Noise Barriers." Applied Sciences 12, no. 14 (July 12, 2022): 7027. http://dx.doi.org/10.3390/app12147027.

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Noise barriers are usually classified attending to their intrinsic acoustic characteristics. This is standardized by the European Standards EN 1793, parts 2 and 6, in which a single parameter, DLR or DLSI, is defined in order to quantify the sound insulation performance of noise barriers. However, the final performance of a noise barrier, quantified by the so-called insertion loss, IL is not only dependent on the insulation provided by the noise barrier, but it is as well affected by geometrical aspects and the acoustic characteristics of the environment where these noise-reducing devices are placed. In this work, we explore the relationship between the insertion loss and the acoustic insulation by means of numerical methods. Moreover, the authors propose a simple way to predict the insertion loss from a purely acoustic numerical simulation in which this parameter is obtained for a completely rigid noise barrier, and knowing the noise barrier’s sound reduction index, in one third octave bands.
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Ayrbabamyan, S. A., and E. A. Bugarev. "Types of noise barriers." Izvestiya MGTU MAMI 7, no. 1-4 (July 10, 2013): 134–38. http://dx.doi.org/10.17816/2074-0530-67851.

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Song, Lei Ming, Shou Guang Sun, and Xin Hua Zhang. "Research on Effect of Noise Emission from Railway Viaduct on Noise Reduction of Noise Barriers." Advanced Materials Research 433-440 (January 2012): 1852–56. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.1852.

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Noise sources identification based on microphone array theory was firstly introduced, A method was derived, which can be used to analyze effect of noise emission from railway viaduct to noise reduction of noise barriers. Vibration and noise emission of railway viaduct and noise barrier were studied using field testing with microphone array technology and vibration testing. The results concluded that noise emission from the viaduct has remarkable effects on noise reduction of noise barriers compared with the effects of noise emission from the noise barriers themselves, which is neglectable.
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Wu, Xiaoping, Xuanyi He, and Jie Huang. "Comparative Analysis of Dynamic Responses of Different Types of High-Speed Railway Noise Barriers under the Influence of Fluctuating Wind Pressure." Sustainability 14, no. 19 (October 10, 2022): 12900. http://dx.doi.org/10.3390/su141912900.

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The fluctuating wind pressure generated when a high-speed train passes through the noise barrier will cause deformation and damage to the noise barrier, affecting the safety of train operation and causing serious economic losses. In this paper, a research method for the dynamic response of noise barriers is proposed, and a comparative study of vertical noise barriers and semi-enclosed noise barriers is carried out. The study shows that when trains pass through the noise barrier, the fluctuating wind pressure on the surface of the two different types of noise barriers both exhibit the characteristics of head and tail waves; the time course curve of fluctuating wind pressure has the same change rule, the wind pressure reaches the maximum value at the bottom measuring point, the maximum value of fluctuating wind positive pressure and negative pressure of the semi-closed noise barrier is larger than that of the vertical noise barrier. In terms of natural frequency, the natural frequency range of the vertical noise barrier is 16~85 Hz, and the natural frequency range of the semi-enclosed noise barrier is 3~13 Hz. The natural frequency of the semi-enclosed noise barrier partially coincides with the main frequency of fluctuating wind pressure, which may lead to resonance damage. When the train speed is raised from 200 km/h to 350 km/h, the maximum equivalent force of the semi-enclosed noise barrier reaches 17.21 Mpa, which is much larger than the maximum equivalent force of the vertical noise barrier. At the same time, the displacement of the two noise barriers increases with the height of the noise barrier, and the maximum displacement of the semi-closed noise barrier unit board reaches 3.63 mm, which is much larger than that of the vertical noise barrier unit board.
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Owolabi, Oludare, and Joseph Aina. "Review of utilization of short concrete noise barriers as noise an abatement strategy." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 1 (May 25, 2023): 1311–20. http://dx.doi.org/10.3397/nc_2023_0181.

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The initial construction cost of barriers has led to considerable interest by local Transportation agencies and the Federal Highway Administration (FHWA) to assess alternatives such as short noise barriers. Many agencies have found that the utilization of short concrete safety barriers as a noise mitigation strategy is highly beneficial. However, not much evaluation data is available to satisfy the FHWA noise requirements or to satisfy the Noise Reduction Design Goal (NRDG) (Noise Barrier Acceptance Criteria Analysis Publication No. FHWA-HEP-16-017). This paper presents an extensive review of the utilization of short concrete noise barriers as a noise abatement strategy. The study also reviews the relevant research, methodologies, tools, and technologies that have been used in evaluating the reasonableness and feasibility of this strategy. Various modeling techniques that can realistically model the insertion loss of short concrete noise barrier were also reviewed. A few proprietary short noise barrier systems were also evaluated for their reasonableness and feasibility. The study reveals a state of the practice survey of all DOTs with respect to the adoption and implementation of short noise barrier. The paper ultimately highlights the effectiveness, cost, use and implementation methodology of short solid barriers as an effective noise abatement strategy.
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Gong, Liyuan, and Xiuling Wang. "Numerical Study of Noise Barriers’ Side Edge Effects on Pollutant Dispersion near Roadside under Various Thermal Stability Conditions." Fluids 3, no. 4 (December 8, 2018): 105. http://dx.doi.org/10.3390/fluids3040105.

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Roadside noise barrier helps to reduce downwind pollutant concentrations from vehicle emission. This positive characteristic of the construction feature can be explained by its interaction with flow distribution and species dispersion. In this paper, a three-dimensional numerical model has been developed to simulate highway pollutant dispersion—a realizable k-ε model was employed to model turbulent flow, and a non-reaction species dispersion model was applied to simulate species transport. First, numerical models were validated with experimental data, and good agreement was observed. Then, detailed simulations were conducted to study double barriers’ effects on highway pollutant dispersion under different settings: noise barriers with different heights, noise barriers with and without edge effects, and different atmospheric thermal boundary conditions. Results show that: (1) Noise barriers without edge effects cause bigger downwind velocity and turbulence intensity than noise barriers with edge effects. (2) At ground level, lower downwind pollutant concentration and higher pollutant concentration, near upwind barrier and between barriers, are observed for noise barriers without edge effect cases; higher on-road pollutant concentration can be seen near barrier side edges for cases with edge effect. (3) Downwind velocity and turbulence intensity increase as barrier height increases, which causes reduced downwind pollutant concentration. (4) With the same barrier height, under unstable atmospheric boundary condition, the lowest pollutant concentration can be found for both downwind and between barriers. Overall, these findings will provide valuable inputs to noise barrier design, so as to improve roadside neighborhood air quality.
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Wu, Xiaoping, Ye Zhu, Lingxiao Xian, and Yingkai Huang. "Fatigue Life Prediction for Semi-Closed Noise Barrier of High-Speed Railway under Wind Load." Sustainability 13, no. 4 (February 16, 2021): 2096. http://dx.doi.org/10.3390/su13042096.

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The fatigue state of the semi-closed noise barrier directly affects driving safety, and replacement after damage leads to train delays and increased operating costs. It is more eco-friendly and sustainable to predict the fatigue life of noise barriers to reinforce the structure in time. However, previous life prediction methods provide a limited reference in the design stage. In this study, a novel fatigue life prediction method for noise barriers was proposed. The computational fluid dynamics and finite element model of the semi-closed noise barrier were established and subjected to simulated natural wind and train aerodynamic impulse wind loads to calculate the stress time-history on the noise barrier. Based on the rain flow counting method and Miner linear cumulative fatigue damage theory, the fatigue life of noise barriers in three Chinese cities was predicted. The results show that the fatigue life of the noise barrier is closely related to the wind conditions and train operation modes. Targeted reinforcement for noise barriers in different fatigue states can save materials and reduce maintenance workload. Moreover, the influence of wind load on the noise barrier was summarized, and engineering suggestions on prolonging the fatigue life of noise barriers were put forward.
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Liu, Dongyun, Chao Wang, Jaime Gonzalez-Libreros, Ola Enoksson, Tommy Hojsten, Yongming Tu, Lennart Elfgren, and Gabriel Sas. "Numerical simulation of train-induced aerodynamic pressure on railway noise barriers." Journal of Physics: Conference Series 2647, no. 10 (June 1, 2024): 102002. http://dx.doi.org/10.1088/1742-6596/2647/10/102002.

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Abstract Noise barriers built parallel to the railway to reduce noise pollution, will be subjected to strong aerodynamic pressure from high-speed trains and have significant dynamic responses under such pressure. Based on computational fluid dynamics (CFD), the numerical simulation of train-induce aerodynamic pressure on noise barriers was performed. Time-varying pressure and its distribution along height direction of noise barriers were analysed, and the effect of different factors on results, i.e., the distance from noise barriers to track centre and height of noise barrier, were discussed. Results show that the geometric changes in train head and tail cause the obvious transient pressure pulse, and the pressure magnitude from head is higher than that from tail. With the measuring height increases, the pressure gradually decreases, which can be well characterized by height coefficient equation from Germany DB code. The pressure magnitude increases non-linearly with the distance to track centre decreases. Importantly, height of noise barrier is also an important factor affecting pressure magnitude on noise barriers and with the height of noise barrier increases, the pressure magnitude gradually increases but tends to be stable at higher height. Exponential equation can well characterize such effect of height of noise barrier on train-induced aerodynamic pressure.
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Dissertations / Theses on the topic "Noise barriers"

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Chong, Yung Boon. "Sonic crystal noise barriers." Thesis, Open University, 2012. http://oro.open.ac.uk/44502/.

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An alternative road traffic noise barrier using an array of periodically arranged vertical cylinders known as a Sonic Crystal (SC) is investigated. As a result of multiple (Bragg) scattering, SCs exhibit a selective sound attenuation in frequency bands called band gaps or stop bands related to the spacing and size of the cylinders. Theoretical studies using Plane Wave Expansion (PWE), Multiple Scattering Theory (MST) and Finite Element Method (FEM) have enabled study of the performance of SC barriers. Strategies for improving the band gaps by employing the intrinsic acoustic properties of the scatterer are considered. The use of the tube cavity (Helmholtz type) resonances in Split Ring Resonator (SRR) or the breathing mode resonances observed in thin elastic shells is shown to increase Insertion loss (IL) in the low-frequency range below the first Bragg stop band. Subsequently, a novel design of composite scatterer uses these 2 types of cylindrical scatterer in a concentric configuration with multiple symmetrical slits on the outer rigid shell. An array of composite scatterers forms a system of coupled resonators and gives rise to multiple low-frequency resonances. Measurements have been made in an anechoic chamber and also on a full-scale prototypes outdoors under various meteorological conditions. The experimental results are found to confirm the existence of the Bragg band gaps for SC barriers and the predicted significant improvements when locally resonant scatterers are used. The resonant arrays are found to give rise to relatively angle-independent stop bands in a useful range of frequencies. Good agreement between computational modelling and experimental work is obtained. Studies have been made also of the acoustical performances of regular arrays of cylindrical elements, with their axes aligned and parallel to a ground plane including predictions and laboratory experiment.
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Williams, Warwick Hamilton Safety Science Faculty of Science UNSW. "Barriers to occupational noise management." Awarded by:University of New South Wales. Safety Science, 2007. http://handle.unsw.edu.au/1959.4/27368.

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This work undertook the examination of the perceived barriers that exist to the management of occupational noise exposure in the workplace. Exposure to excessive levels of noise results in cumulative damage to the hearing mechanism of the ear and a subsequent hearing loss. This hearing loss is permanent and does not recover over time. Initially the conventional method of addressing or controlling noise exposure was through Hearing Conservation Programs and more recently through Occupational Noise Management Programs that take more of a risk management approach. However, the numbers of new hearing loss claims submitted through the various ???workcover??? and ???worksafe??? authorities in Australia continue to remain very high. Hearing loss claims rank within the top two in number of new claims each year. The research conducted shows that there are four main barriers perceived by individuals that work against the institution of effective preventive action. These four main barriers in order of priority are hearing protectors, information, culture and management, and are themselves each composed of several lesser factors. Each of the barriers was examined more closely in an attempt to better understand how they operate and the potential to discover how they may be overcome. To briefly summarise the main barriers: 1) Hearing protectors are uncomfortable, impede communication and are unpleasant to wear; 2) Individuals would like more information on noise reduction and for this information to be supplied by management; 3) workplace and management culture needs to be supportive of occupational health and safety in general and with the implementation of supportive preventive measures in particular; and 3) management needs to be seen to place importance on occupational health and safety in the workplace in general and the reduction of excessive noise in particular. By being aware of the barriers and operation the design of future more effective intervention or better noise management programs should be possible.
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Engström, Nicklas. "Inclination angle of noise barriers : A study on the effect an inclination angle has on the reflected noise from noise barriers." Thesis, KTH, Farkost och flyg, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-39481.

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The aim of this thesis is to determine the effect an inclination of a noise barrier has on the reflected noise produced by road traffic. The height distribution of the reflected noise is expected to decrease with an increasing angle of inclination. A theoretical study based on mirror sources and trigonometry explains the relation between the barrier inclination and the height of the reflected noise. The theoretical model is complemented with a scale model measurement and a simulation performed in Odeon. Acoustic hard surfaces and totally absorbent surfaces are used during the theoretical model, scale model measurement and the simulation. The results of the scale model measurement and the simulation supports the behavior of the theoretical model and displays an angle of inclination where the behavior is reversed and at which the height of the pressure is increased with further the increase of the inclination angle.
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Chau, Pak-lam. "Evaluation on the effectiveness of noise barriers for road traffic noise mitigation /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20038173.

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Wu, Weixiong. "Impacts of noise barriers on metropolitan communities." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0005/NQ43128.pdf.

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Sohrabi, Shahin. "Active control of noise transmitted from barriers." Doctoral thesis, Universitat Politècnica de Catalunya, 2022. http://hdl.handle.net/10803/674002.

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Active noise cancellation is a unique approach that helps passive noise control in reducing sound levels at low frequencies; nevertheless, successful use of active noise cancellation necessitates performing numerous and tedious experiments together with defining several parameters properly. The locations and quantity of active control system transducers are among these parameters. The present research provides a comprehensive framework for placing control sources and error microphones near a noise barrier in order to improve its efficiency in both narrowband and broadband noise spectra. To accomplish this, the appropriate locations for the control sources are first determined using a repetitive computation method, and then the optimizations are completed by determining the best position for the error microphone. Several alternative transducer locations near the barrier are incorporated in the repetitive computation, and the optimal sites for the control sources and error microphones are found using two-step optimization methods as well as the genetic algorithms approach. The findings reveal that the best places to put the control sources are on the incident side, below the barrier's edge, and the best locations to place the error microphones are on the shadow side, as close as possible to the target area. The effect of ground reflection on the efficiency of the active noise control system is also investigated, and it is discovered that while ground reflection has no significant effect on the performance of the active noise control system for broadband frequency ranges, it does reduce the control system's efficiency at tonal noises. In order to optimize more parameters, further calculations are performed based on the genetic optimizer. The output of the GA calculations found new configurations for the control units that result in higher noise level reduction at the target area. In addition to the active noise barrier, the application of active noise cancellation for open windows as a particular case of the barrier is explored as a particular case of the barrier. Different arrangements are studied for the control units close to the open windows, including linear, boundary, and planar control arrangements. The effect of several parameters such as the incident angle of noise waves, the distance between error microphones and the opening, and the number of control units are investigated. The results demonstrate that the active noise control system with obliqued linear placements of transducers have higher performance than the other arrangements. Furthermore, when the frequency and incident angle increase, the effectiveness of active noise reduction decreases.
La cancelación activa de ruido es un enfoque único que ayuda al control pasivo del ruido a reducir los niveles de sonido a bajas frecuencias; sin embargo, el uso exitoso de la cancelación activa de ruido requiere la realización de numerosos y tediosos experimentos junto con la definición adecuada de varios parámetros. La ubicación y la cantidad de transductores del sistema de control activo se encuentran entre estos parámetros. La presente investigación proporciona un marco completo para colocar fuentes de control y micrófonos de error cerca de una barrera de ruido con el fin de mejorar su eficiencia en espectros de ruido de banda estrecha y banda ancha. Para lograr esto, primero se determinan las ubicaciones apropiadas para las fuentes de control usando un método de cálculo repetitivo, y luego se completan las optimizaciones determinando la mejor posición para el micrófono de error. Varias ubicaciones de transductores alternativas cerca de la barrera se incorporan en el cálculo repetitivo, y los sitios óptimos para las fuentes de control y los micrófonos de error se encuentran utilizando métodos de optimización de dos pasos, así como el enfoque de algoritmos genéticos. Los hallazgos revelan que los mejores lugares para colocar las fuentes de control están en el lado del incidente, debajo del borde de la barrera, y los mejores lugares para colocar los micrófonos de error están en el lado de la sombra, lo más cerca posible del área objetivo. También se investiga el efecto de la reflexión del suelo sobre la eficiencia del sistema de control de ruido activo, y se descubre que si bien la reflexión del suelo no tiene un efecto significativo en el rendimiento del sistema de control de ruido activo para rangos de frecuencia de banda ancha, sí reduce el rendimiento del sistema de control. eficiencia en ruidos tonales. Para optimizar más parámetros, se realizan más cálculos basadosen el optimizador genético. El resultado de los cálculos de GA encontró nuevas configuraciones para las unidades de control que dan como resultado una mayor reducción del nivel de ruido en el área objetivo. Además de la barrera de ruido activa, se explora la aplicación de la cancelación de ruido activa para ventanas abiertas como un caso particular de la barrera. Se estudian cuatro disposiciones para las unidades de control cercanas a las ventanas abiertas. Las unidades de control en una configuración de límite se colocan en el borde de la abertura, mientras que en el control plano, se ubican en la superficie de la abertura. En una configuración de contorno, las unidades de control se colocan en el borde de la abertura, mientras que en un diseño plano, se colocan en la superficie de la abertura. Se investiga el efecto de varios parámetros como el ángulo de incidencia de las ondas de ruido, la distancia entre los micrófonos de error y la apertura, y el número de unidades de control. Los resultados demuestran que el sistema de control de ruido activo con configuración plana tiene un rendimiento más alto que el control de límites. Además, cuando la frecuencia y el ángulo de incidencia aumentan, la eficacia de la reducción activa del ruido disminuye.
Enginyeria mecànica, fluïds i aeronàutica
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Chau, Pak-lam, and 周栢林. "Evaluation on the effectiveness of noise barriers for road traffic noise mitigation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31253970.

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Menounou, Pinelopi. "Theoretical study of diffraction by straight and ragged edge noise barriers /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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Liu, Yuen-mei, and 廖婉薇. "Feasibility study of green noise barriers in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48543299.

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Hong Kong is a crowded city where pavements, lanes, hawker areas, trunk roads and highway are closely built. With heavy traffic flow on complex road networks, the noise barriers located in the urban centre usually adjacent to commercial centres and residential buildings. The design of noise barriers is therefore needed to be in harmony with the landscape of the neighbourhood. Different kinds of green noise barrier systems combined with soil and vegetation had been developed across Europe and the USA in recent years. It is believed that an effective controller of noise shall be visually attractive especially for residents who are adjacent to the roads. A number of noise barriers with vegetation were successfully implemented in European Countries. Nevertheless, these engineering techniques cannot be fully applied to Hong Kong due to the over-crowded living environment. A well-designed green noise barrier system is the critical reason for successful application to sustain the vegetation and to insulate and absorb noise. The objective of this study to investigate different kinds of green noise barriers and come up with some guidelines for design consideration in order to optimize the green noise barriers. The study provides a thorough analysis of the available green noise barrier systems across the world, including a look at all the potentials benefits from environmental and socio-economics perspectives. The pilot field measurement was conducted at Yeung Uk Road where green noise barriers located between a heavily travelled main road and residential area in Tsuen Wan, to measure the SPL and Leq noise levels to assess the effectiveness of the green noise barriers. No significant attenuation effect is observed on the green noise barrier which has to be attributed to the median placement and over-crowded urban environment. Online questionnaires and interviews are conducted to investigate the effects of vegetation on the perception of green noise barriers. Results show that 78% of the respondents preferred vegetation rather than concrete (0.1%) and other materials. 77% like the aesthetics appearance of vegetation and 86% are willing to bear the cost. In general, 95% of the respondents agreed green noise barriers should be promoted in Hong Kong. The results assured that (1) vegetation on green noise barrier is aesthetically pleasing and mostly preferred; (2) people are willing to pay for green noise barrier for aesthetics; (3) aesthetic or vegetated screen is important in determining human response to noise which improved public perception of traffic noise due to visual and psychological relief. The outcome of the study indicated that it is feasible to promote green noise barriers in Hong Kong, with the evidence of the potential benefits, technical experience and public support. It is also suggested that the living wall modular system is the best system which is suitable for the application in Hong Kong.
published_or_final_version
Environmental Management
Master
Master of Science in Environmental Management
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Kwon, Suk-Jae. "Noise externalities : a hybrid model to assess effects and management with application to transportation issues in Rhode Island /." View online ; access limited to URI, 2006. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3225318.

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Books on the topic "Noise barriers"

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Bendtsen, Hans. Noise barriers--a catalogue of ideas. Herlev, Denmark: Road Data Laboratory, Road Directorate, Ministry of Transport, 1991.

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Bowlby, William. In-service experience with traffic noise barriers. Washington, D.C: National Academy Press, 1992.

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Ontario. Ministry of Transportation and Communications. Noise barrier: Design requirements. [Toronto]: Ontario Ministry of Transportation and Communications, 1988.

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Virginia. Dept. of Transportation. Report of the Virginia Department of Transportation on the feasibility of providing noise abatement at the intersection of I-66 and I-495 and along I-66 from I-495 to the Fairfax County Parkway to the Governor and the General Assembly of Virginia. Richmond: Commonwealth of Virginia, 1994.

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National Research Council (U.S.). Transportation Research Board., ed. Energy and environment 1990: Transportation-induced noise and air pollution. Washington, D.C: Transportation Research Board, National Research Council, 1990.

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Herman, Lloyd. Noise mitigation strategies. [Olympia, Wash: Washington State Dept. of Transportation, 1993.

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Raman, Yousefi, Alvendia Walter, United States. Army. Europe and Seventh Army., and Construction Engineering Research Laboratory, eds. Noise level reduction of .50 claiber gunfire by terrain shielding. [Champaign, Ill,]: US Army Corps of Engineers, Construction Engineering Research Laboratory, 1994.

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Straight, Richard Todd. Using agroforestry to buffer noise. Lincoln, Nebraska: USDA National Agroforestry Center, 2011.

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Laboratory, Construction Engineering Research, ed. An investigation of small-arms range noise mitigation: The firing shed and the interlane barrier. Champaign, Ill: US Army Corps of Engineers, Construction Engineering Research Laboratory, 1992.

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Utley, W. A. The insulation of dwellings against external noise. Garston: Building Research Establishment, 1989.

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Book chapters on the topic "Noise barriers"

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Möser, Michael. "Noise barriers." In Engineering Acoustics, 311–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-92723-5_10.

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Salomons, Erik M. "Noise barriers." In Computational Atmospheric Acoustics, 85–90. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0660-6_7.

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Hansen, Colin H., and Kristy L. Hansen. "Partitions, Enclosures and Barriers." In Noise Control, 279–342. 2nd ed. London: CRC Press, 2021. http://dx.doi.org/10.1201/9780429428876-7.

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Basutu, L., W. Chan, D. Hanson, B. Dowdell, and C. Weber. "Low Cost Noise Barriers for Mitigation of Rail Noise." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 697–707. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73411-8_55.

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Rogers, C. T., and R. A. Buhrman. "Characterization of Tunnel Barriers by Flicker Noise Spectroscopy." In Advances in Cryogenic Engineering Materials, 489–98. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-9871-4_59.

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Yang, Zhimin, Jinhua Tan, and Youwei Jiang. "Overall Stability Analysis of Enclosed Roadside Noise Barriers." In Proceedings of the 2023 5th International Conference on Hydraulic, Civil and Construction Engineering (HCCE 2023), 797–808. Dordrecht: Atlantis Press International BV, 2024. http://dx.doi.org/10.2991/978-94-6463-398-6_76.

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Belingard, P., F. Poisson, and S. Bellaj. "Experimental Study of Noise Barriers for High-Speed Trains." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 495–503. Tokyo: Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-53927-8_59.

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Li, Yanliang, and Zhiqiang Li. "Application Effect of Chinese High-Speed Railway Noise Barriers." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 423–30. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73411-8_32.

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Peng, S. Z., L. Cheng, Y. S. Choy, and H. M. Sun. "Accurate and Efficient Prediction of Acoustical Performance of Noise Barriers against Transport Noise Pollution." In Computational Mechanics, 324. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75999-7_124.

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Gutiérrez, Giancarlo, and Laura Marín-Restrepo. "Acoustic Comfort and Noise Control in the Design of Multi-residential Buildings in the Tropics." In Removing Barriers to Environmental Comfort in the Global South, 279–93. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-24208-3_20.

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Conference papers on the topic "Noise barriers"

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TOMPSETT, KR. "OPTIMAL DESIGN OF HIGHWAY NOISE BARRIERS." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22426.

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FLINDELL, IH, JG WALKER, and JB LARGE. "BARRIERS FOR AIRPORT GROUND NOISE CONTROL." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22425.

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MACGREGOR, EA. "THE PROPAGATION OF ROAD TRAFFIC NOISE OVER EARTH MOUNDS." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22424.

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GIBBS, BM, and RNS HAMMAD. "THE ACOUSTIC PROTECTION OF PERFORATED SCREENS FOR BUILDINGS IN HOT CLIMATES." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22422.

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MARTENS, MJM, FGP CORTEN, and WHT HUISMAN. "A NEW TYPE OF NOISE SCREEN CONSTRUCTED FROM AND BY LIVING PLANTS." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22427.

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HOTHERSALL, DC, BC CHAPMAN, and SN CHANDLER-WILDE. "THE PROPAGATION OF ROAD TRAFFIC NOISE OVER EARTH MOUNDS." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22423.

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ORLOWSKI, RJ. "SCALE MODEL MEASUREMENTS ON BARRIERS IN FACTORY BUILDINGS." In Barriers for Noise Control 1985. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/22428.

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Sarpalius, Domininkas, and Raimondas Grubliauskas. "APPLICATION OF LOW HEIGHT NOISE BARRIERS TO REDUCE RAILWAY NOISE." In 25-osios jaunųjų mokslininkų konferencijos „Mokslas – Lietuvos ateitis“ teminės konferencijos APLINKOS APSAUGOS INŽINERIJA. Vilniaus Gedimino Technikos Universitetas, 2022. http://dx.doi.org/10.3846/aainz.2022.001.

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Railway noise is growing a global problem and the low height barrier may be the future for reducing noise from railways. Railroads are usually designed in cities, near buildings. Every day, in the European Union, some 12 million people are exposed to railway noise. Long term noise exposure can increase human health problems. At a lower level it may cause lower concentration at work, harder relaxation at home or even in the nature. In the worst cases, noise pollution may contribute to serious health issues including hearing damage, hypertension, headache and insomnia. Low height barriers may have high efficiency, but distance between source and barrier should always be the same. This type of barrier has a limited perspective of usage, one of the best situations – near railways. High barriers usually cover the view, and their installation has a large cost. But there are more disadvantages to high walls: they effect reflection sunlight, and frequently high barriers (which are 5 metres or more) may provoke claustrophobia in drivers while they are passing through. Low height barriers never cover the view, they have half the cost of installation, and may be constructed in a variety of shapes: such as Y, T, pearl, cylindrical, and arrows. The use of low-height barriers involves 50% less investment than high barriers. Low-height barriers effectively contain noise levels, with an effectiveness of 4 dB for a 1-metre barrier and 8 dB for a 2-metres barrier.
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YAMAMOTO, K. "EFFICIENCY OF HIGHWAY NOISE BARRIERS." In Inter-Noise 1996. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/19576.

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FUJIWARA, K., and DC HOTHERSALL. "NOISE BARRIERS WITH REACTIVE SURFACES." In Inter-Noise 1996. Institute of Acoustics, 2024. http://dx.doi.org/10.25144/19558.

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Reports on the topic "Noise barriers"

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Shaffer, Winston J., and II. Follow-Up Community Noise Survey of Noise Barriers at Warfield ANG, Baltimore, Maryland. Fort Belvoir, VA: Defense Technical Information Center, March 1990. http://dx.doi.org/10.21236/ada221154.

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El-Rayes, Khaled, Liang Liu, and Ernest-John Ignacio. Alternative Noise Barrier Approvals. Illinois Center for Transportation, November 2018. http://dx.doi.org/10.36501/0197-9191/18-021.

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Stevens, R. D., B. V. Chapnik, and B. Howe. L51960 Acoustical Pipe Lagging Systems Design and Performance. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), October 1998. http://dx.doi.org/10.55274/r0010392.

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Noise levels radiated from the exterior of a pipe wall can significantly contribute to the overall noise levels on the site of a gas plant and at neighboring properties. The noise inside the piping is generated both by the gas compressor itself, and by the flow of gas through valves, elbows and fittings. Sound inside the pipe couples to the pipe wall by exciting vibration modes, some of which are radiated from the exterior of the pipe into the air. Piping is geometrically circular, which provides it with considerable increased stiffness versus a flat plate, and thereby assists in its ability to contain low frequency sound inside the pipe. At high frequencies, where the wavelength of sound is short compared to the dimensions of the pipe, the response of the pipe approaches that of a flat plate, and considerably more sound is transmitted. Between the low and high frequency ranges lies the ring frequency, at which the wavelength of sound is equal to the circumference of the pipe; at this resonant frequency, a maximum amount of noise is transmitted out the pipe wall. For smaller pipe sizes, the ring frequency occurs above 5 kHz. For larger pipe sizes on the order of 24 inches to 36 inches, the ring frequency occurs in the range 1 kHz to 3 kHz. These frequencies fall in the most audible range of the sound spectrum. Low frequency sound is not usually of concern for pipe radiated noise, unless the source generates considerably low frequency energy. Acoustical lagging systems typically include one or more layers of porous insulation, to absorb sound and decouple vibration, and one or more layers of an impervious, heavy barrier material to contain the sound. The test configurations for this study were based on systems reported as commonly being used by PRCI member companies. Most of the member companies use fixed-in-place lagging configurations in which the various materials are applied in discrete layers to the pipe during installation. Self-contained, removable blanket systems are also in use by some member companies instead of fixed-in-place configurations, or around equipment such as valves where periodic removal of the lagging is necessary. This study provides a review of acoustic lagging systems for above ground gas piping to minimize noise.
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