Greenways Infra Private Limited

Metallic noise barriers, commonly made from materials like aluminum or steel, are widely used for their durability, strength, and acoustic performance. Here is a detailed description of metallic noise barriers:

Characteristics:

1. Durability: Metallic barriers are highly durable, with a long lifespan even in harsh weather conditions.
2. Strength: Capable of withstanding high impacts and mechanical stresses.
3. Acoustic Performance: Designed to reflect and absorb sound effectively, reducing noise pollution.
4. Maintenance: Generally low maintenance due to their resistance to corrosion and weathering, especially when treated with protective coatings.

Materials:

• Aluminum: Lightweight, corrosion-resistant, and easy to install. Often used in urban environments.
• Steel: Strong and durable, suitable for high-impact areas such as highways and industrial zones. Usually galvanized or coated to prevent rust.

Applications:

• Highways and Roads: Installed along busy roads to mitigate traffic noise.
• Railways: Used to reduce noise pollution from trains.
• Industrial Areas: Surrounds factories and industrial plants to control noise emissions.
• Urban Areas: Deployed in cities to create quieter environments in residential and commercial zones.

Installation:

• Support Structures: Typically mounted on metal or concrete posts, with panels fitted into place.
• Modular Design: Allows for easy replacement of individual panels if damaged.
• Sound Absorptive Panels: Often include perforated surfaces with sound-absorbing materials inside to enhance acoustic performance.

Advantages:

1. High Strength and Durability: Suitable for high-impact and high-traffic areas.
2. Low Maintenance: Resistant to weathering and corrosion, especially with proper coatings.
3. Effective Noise Reduction: Provides substantial noise attenuation through reflection and absorption.
4. Customization: Available in various sizes, colors, and designs to fit specific aesthetic and functional needs.

Disadvantages:

1. Weight: Heavier than some other materials, which can complicate installation.
2. Cost: Can be more expensive upfront due to the material and installation costs.
3. Aesthetic Appeal: May not blend as seamlessly with natural surroundings compared to transparent or vegetative barriers.

Examples of Use:

• Highways: Commonly used to protect residential areas from highway noise.
• Industrial Sites: Ensures compliance with noise regulations by reducing industrial noise emissions.
• Urban Infrastructure: Helps create quieter city environments by blocking traffic and construction noise.

Design Considerations:

• Height and Length: Determined based on the noise source and the area needing protection.
• Acoustic Properties: Panels can be designed to either reflect sound away or absorb it, depending on the specific requirements.
• Aesthetic Integration: Can be painted or coated in various colors and patterns to match the surroundings or corporate branding.

Maintenance:

• Inspections: Regular inspections for damage or wear, particularly at joints and connections.
• Cleaning: Periodic cleaning to remove dirt, debris, and graffiti, maintaining both functionality and appearance.
• Repairs: Easy replacement of damaged panels due to the modular design.

Metallic noise barriers are an effective solution for noise control in a variety of settings. Their robustness and versatility make them a preferred choice for projects requiring reliable and long-lasting noise mitigation.

4o

Bi-absorptive noise barriers are specialized structures designed to mitigate noise pollution by combining both reflective and absorptive properties. These barriers are engineered to effectively reduce the transmission of sound waves while also absorbing a significant portion of the noise energy. Here's a detailed overview of bi-absorptive noise barriers:

A bi-absorptive noise barrier is an advanced type of noise barrier designed to provide enhanced noise reduction capabilities by combining both reflective and absorptive properties. Unlike traditional noise barriers, which primarily rely on either reflecting or absorbing sound energy, bi-absorptive barriers leverage a combination of both approaches to achieve superior noise mitigation results.

Absorptive noise barriers are designed to reduce noise by absorbing sound waves rather than reflecting them. This is achieved through materials and designs that dissipate sound energy. Here are the detailed aspects of absorptive noise barriers:

Characteristics:

1. Sound Absorption: These barriers incorporate materials that absorb sound, reducing the amount of noise that passes through or is reflected back.
2. Durability: Made from materials that can withstand weather conditions and maintain their acoustic properties over time.
3. Low Maintenance: Designed to require minimal upkeep while maintaining effectiveness.

Material Composition:

1. Core Material: Typically consists of mineral wool, fiberglass, or other sound-absorbing materials.
2. Surface Layer: Often a perforated metal sheet (aluminum or steel) or a porous surface that allows sound to enter the absorptive core.
3. Protective Coating: To enhance durability and resistance to weather, a coating (e.g., powder coating) is applied.

Acoustic Properties:

1. Noise Reduction Coefficient (NRC): Typically ranges from 0.7 to 1.0, indicating high sound absorption efficiency.
2. Sound Transmission Class (STC): Usually ranges from STC 20 to STC 30, indicating the barrier's ability to block sound.

Applications:

• Highways and Roads: Installed along roads to reduce traffic noise in adjacent residential and commercial areas.
• Railways: Used to mitigate noise from trains, particularly in urban areas.
• Industrial Areas: Surrounds factories and industrial plants to control noise emissions.
• Construction Sites: Temporary barriers to minimize noise pollution during construction activities.
• Urban and Residential Areas: Enhances the quality of life by reducing environmental noise.

Installation:

1. Support Structures: Mounted on posts made from aluminum, steel, or concrete.
2. Panel Design: Modular panels that can be easily installed, replaced, or repaired.
3. Foundation: Typically set in concrete footings for stability.

Advantages:

1. Effective Noise Reduction: Absorbs sound, preventing reflection and reducing overall noise levels.
2. Versatility: Suitable for a variety of settings, from highways to industrial areas.
3. Customizable: Available in various sizes, shapes, and colors to meet aesthetic and functional requirements.
4. Safety: Minimizes reflected noise, reducing potential disturbance to surrounding areas.

Disadvantages:

1. Cost: Can be more expensive than reflective barriers due to the materials and construction required.
2. Maintenance: While generally low maintenance, the absorptive materials may require periodic replacement or cleaning to maintain effectiveness.

Design Considerations:

1. Height and Length: Determined by the noise source and the area needing protection.
2. Acoustic Properties: Panels designed to maximize sound absorption while maintaining structural integrity.
3. Aesthetic Integration: Can be designed to blend with the environment, including various colors and textures.

Examples of Use:

• Urban Highways: Used to reduce traffic noise in densely populated areas.
• Railways: Installed along tracks to mitigate train noise in residential neighborhoods.
• Industrial Zones: Helps meet noise regulations by absorbing industrial noise

Maintenance:

1. Regular Inspections: Checking for damage, especially in high-traffic areas.
2. Cleaning: Periodic cleaning to remove dirt, debris, and other contaminants

Metallic Noise Barriers are of two types. It can be a one sided noise reflective barrier or a barrier that has acoustic properties on both sides. The two sided noise barrier will deflect sound from either side thereby creating a sound wall.

An absorptive noise barrier is a type of barrier designed to mitigate the transmission of noise by absorbing sound energy rather than reflecting it. Unlike traditional reflective barriers that bounce sound waves back towards the source, absorptive barriers dissipate sound energy by converting it into heat or by allowing it to pass through the barrier material where it is absorbed.

These barriers typically consist of porous materials such as specialized acoustic panels, fiberglass, mineral wool, or open-cell foam. These materials are effective at absorbing sound waves across a wide range of frequencies. The sound waves penetrate the porous surface and are then dissipated as they travel through the material, resulting in a reduction in noise levels on the other side of the barrier.

Absorptive noise barriers are particularly useful in environments where there are multiple noise sources or where sound reflection could create unwanted echoes or reverberation. They are commonly used along highways, railways, industrial facilities, and in urban areas to mitigate noise pollution and improve the acoustic environment for nearby residents or workers.

Aluminum noise barriers are structures designed to mitigate noise pollution generated by various sources such as highways, railways, industrial facilities, and urban areas. They are constructed using aluminum panels or sheets, which offer durability, corrosion resistance, and ease of maintenance. Here's a detailed overview of aluminum noise barriers:
Overall, aluminum noise barriers offer an effective and durable solution for mitigating noise pollution in various settings, contributing to improved quality of life for residents and workers in noise-affected areas.

Mono absorptive noise barriers are a type of noise barrier that uses a single layer of absorptive material to reduce noise levels. The absorptive material is typically made of a fibrous material, such as mineral wool or glass wool, that absorbs sound waves by converting them into heat.

Traffic noise barriers, also known as sound barriers or noise walls, are structures designed to reduce the transmission of noise generated by road traffic, highways, or railways. These barriers serve to mitigate the impact of noise pollution on nearby communities, improving quality of life for residents and workers. Here's a detailed overview of traffic noise barriers:

Our Metal Noise Barriers are designed in compliance with the Indian Road Congress (IRC) guidelines, ensuring effective noise reduction along highways, expressways, flyovers, and Elvated Bridge. These barriers are constructed using high-quality galvanized or stainless steel with an acoustic core made of mineral wool, fiberglass to minimize sound pollution from vehicular traffic.

Features & Compliance:

✅ IRC-Approved Design – According to Indian Road Congress (IRC: 130-2022) specifications for noise control.
✅ High Noise Reduction – Effectively lowers traffic noise to permissible levels.
✅ Durable & Weather-Resistant – Made from corrosion-resistant galvanized or stainless steel for long-term performance.
✅ Acoustic Insulation Core – Absorbs and blocks unwanted noise, enhancing road safety and comfort.
✅ Wind & Load Resistant – Engineered to withstand high wind pressures and environmental stress.
✅ Easy Installation & Maintenance – Modular design for quick setup and minimal upkeep.
✅ Aesthetic & Customizable – Available in various sizes, colors, and designs to blend with the surroundings.

 

 

 

 

 

 

 

 

 

 

 

An absorptive noise barrier is a type of barrier designed to mitigate the transmission of noise by absorbing sound energy rather than reflecting it. Unlike traditional reflective barriers that bounce sound waves back towards the source, absorptive barriers dissipate sound energy by converting it into heat or by allowing it to pass through the barrier material where it is absorbed.

These barriers typically consist of porous materials such as specialized acoustic panels, fiberglass, mineral wool, or open-cell foam. These materials are effective at absorbing sound waves across a wide range of frequencies. The sound waves penetrate the porous surface and are then dissipated as they travel through the material, resulting in a reduction in noise levels on the other side of the barrier.

Absorptive noise barriers are particularly useful in environments where there are multiple noise sources or where sound reflection could create unwanted echoes or reverberation. They are commonly used along highways, railways, industrial facilities, and in urban areas to mitigate noise pollution and improve the acoustic environment for nearby residents or workers.

 

Aluminum Sheet Metallic Noise Barrier: Detailed DescriptionCharacteristics:

1. Durability: Highly resistant to corrosion, aluminum sheet barriers have a long lifespan even in harsh environments.
2. Lightweight: Easier to handle and install compared to steel, reducing installation costs and time.
3. Acoustic Performance: Effective in both sound reflection and absorption, providing significant noise reduction.
4. Low Maintenance: Requires minimal upkeep due to its resistance to weathering and corrosion.

Material Properties:

• Corrosion Resistance: Aluminum forms a protective oxide layer that prevents rusting, making it suitable for outdoor use.
• Malleability: Can be easily shaped and fabricated into various designs, allowing for customization in barrier shapes and sizes.
• Strength-to-Weight Ratio: Strong yet lightweight, providing structural integrity without excessive weight.

Applications:

• Highways and Roads: Installed along busy roads to reduce traffic noise.
• Railways: Used alongside railway tracks to mitigate noise from passing trains.
• Industrial Areas: Surrounds factories and industrial plants to control noise emissions.
• Urban and Residential Areas: Provides noise reduction in densely populated areas.

Installation:

1. Support Structures: Typically mounted on aluminum or concrete posts.
2. Modular Panels: Panels can be easily fitted and replaced, allowing for flexible installation.
3. Sound Absorptive Design: Can include perforated surfaces with sound-absorbing materials inside to enhance acoustic performance.

Advantages:

1. Corrosion Resistance: Ideal for outdoor installations exposed to weather conditions.
2. Lightweight: Easier and quicker to install, reducing labor costs.
3. Acoustic Efficiency: Provides effective noise reduction through reflection and absorption.
4. Customizable: Available in various sizes, colors, and designs to meet specific aesthetic and functional needs.

Disadvantages:

1. Initial Cost: Higher material cost compared to some other noise barrier materials.
2. Aesthetic Impact: May not blend as seamlessly with natural environments as transparent or vegetative barriers.

Examples of Use:

• Urban Highways: Commonly used to shield residential areas from road noise.
• Railways: Reduces noise pollution in communities near railway lines.
• Industrial Facilities: Ensures compliance with noise regulations by mitigating industrial noise.

Design Considerations:

1. Height and Length: Tailored based on the noise source and the area requiring protection.
2. Acoustic Properties: Panels can be designed to either reflect sound away or absorb it, depending on requirements.
3. Aesthetic Integration: Can be painted or coated in various colors and patterns to match surroundings or branding.

Maintenance:

1. Regular Inspections: Checking for any damage, especially at joints and connections.
2. Cleaning: Periodic cleaning to maintain appearance and functionality.
3. Repair and Replacement: Easy to replace damaged panels due to modular design.

Summary

Aluminum sheet metallic noise barriers are an excellent choice for effective noise reduction in a variety of settings. Their durability, lightweight nature, and customizable design make them suitable for highways, railways, industrial areas, and urban environments. While the initial cost may be higher, the long-term benefits of low maintenance and high performance often justify the investment.