As our cities and towns continue to grow and expand, the issue of traffic noise pollution becomes increasingly important to address. Noise barriers are a common solution, constructed to reduce the negative effects of traffic noise on surrounding communities. However, deciding where to construct these noise barriers can often be a contentious issue, as there are many factors to consider.
Whether you are a local city planner or a concerned resident, understanding where to construct noise barriers is crucial. Noise barriers can improve quality of life, reduce stress, and encourage outdoor activities; but they can also cause issues if not placed correctly.
- Consider potential sound sources
Before building a noise barrier, consider potential sound sources in the area so that the barrier can be constructed in an effective manner. Identifying the sources will help determine the height and location of the barrier that is needed to block the noise. Common sources of noise can include arterial roads, highways, railways, construction sites, and industrial facilities.
It is important to evaluate all potential sources of noise, including those not currently present but may be in the future. This information allows engineers to design effective noise barriers that will mitigate unwanted noise and provide a more peaceful environment for people who live or work nearby. Conducting a thorough evaluation of potential sound sources is an essential first step in designing effective noise barriers.
- Identify areas that could benefit from noise barriers\
One of the key considerations in the construction of noise barriers is their location. Identifying the areas that could benefit from noise barriers is critical in ensuring their effectiveness. Commonly, noise barriers are installed along highways, railways, and other transportation infrastructure.
However, identifying specific areas where the noise levels are high is crucial in determining the ideal placement of these barriers. Noise barriers should be placed in areas where they can effectively reduce the impact of noise on communities and residential areas. This can be achieved through conducting a noise study to identify the areas that need noise barriers and determining the height, length, and materials required for construction.
- Determine the type of barrier needed
Determining the type of barrier to be used is an essential aspect of constructing an effective noise barrier. There are several types of noise barriers, and the selection of the ideal type depends on various factors. The type of noise barrier used will influence the level of noise reduction to be achieved.
Aesthetic value, cost, and other environmental factors, such as wind, temperature, and precipitation, will also come into play when selecting the most appropriate noise barrier type. Common types of noise barriers include absorptive, reflective, and combination barriers. Absorptive barriers work by absorbing noise energy, while reflective barriers reflect noise to the source. Combination barriers use a combination of absorptive and reflective materials to reduce noise.
- Choose the appropriate installation site
One crucial factor in the construction of noise barriers is selecting a site that will effectively block sound. To achieve this, it is important to choose the appropriate installation site carefully. The location of the noise barrier is critical since it will affect its effectiveness. The site chosen should be close to the source of the noise and perpendicular to it to minimize sound penetration. Moreover, the height of the noise barrier should be such that it adequately blocks the noise and does not allow sound to be reflected back into the environment.
- Follow local regulations and safety considerations
When determining where noise barriers should be constructed, it is essential to follow local regulations and safety considerations. Different states and municipalities may have specific guidelines regarding the height, length, and placement of noise barriers. It is crucial to research and adhere to these guidelines to avoid any legal or safety issues.