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Sound Barrier Panel

A noise barrier refers to a structure installed between a sound source and receivers to produce obvious additional attenuation of sound waves during propagation, so as to reduce noise impact within certain areas where receivers are located.

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Description

产品描述

Product Introduction
A noise barrier refers to a structure installed between a sound source and receivers to produce obvious additional attenuation of sound waves during propagation, so as to reduce noise impact within certain areas where receivers are located.
A noise barrier mainly consists of steel structure upright columns and sound-absorbing & insulating panels. As the primary load-bearing components of the barrier, columns are fixed onto pre-embedded steel plates beside road crash barriers or rails by bolts or welding. The sound-absorbing & insulating panels, the core sound insulation and absorption parts, are clamped into the grooves of H-shaped columns via high-strength spring clips to assemble the complete noise barrier.
Noise barriers are 1 m to 5 m in height. They deliver an average noise reduction of 10–15 dB(A) within effective coverage areas (frequency range: 125 Hz–40000 Hz, 1–3 octaves), with a maximum noise reduction of 20 dB(A).
At present, noise barriers are widely applied in traffic and municipal infrastructures such as expressways, railways, elevated composite roads, urban light rails and subways for sound insulation and noise reduction, mitigating the influence of traffic noise on adjacent urban areas. They can also be adopted for noise control in factories and other noise-emitting sources.
Sound Absorption and Noise Reduction Principle of Noise Barrier
Porous materials attenuate sound waves via countless tiny open pores extending from the surface to the interior. They mainly absorb medium and high-frequency sound waves, including organic/inorganic fibers with fibrous aggregate structures and their finished products, open-cell foamed plastics with porous structures, and expanded perlite products.
Flexible membrane materials, sheet materials and perforated plates (plates or metal sheets with drilled holes, mainly for absorbing intermediate-frequency noise) absorb sound by resonance effect.
Combined application of the above materials can broaden the sound absorption frequency range, increase the sound absorption coefficient and achieve noise control. Apart from airborne sound absorption, porous materials can also suppress vibrations induced by structure-borne sound and cavity resonance sound. Filling porous materials into composite structures composed of various plates can enhance sound insulation performance and reduce structural weight.

FAQs

Are you a factory or a trading company?

We are a professional direct manufacturer located in Anping, China’s wire mesh base. We own full sets of imported production lines, no middleman markup, to offer you factory direct prices and stable quality.

What main products do you supply?

We specialize in all kinds of safety fence nets, including highway/railway/airport/municipal/community/sports field guardrails, wire mesh panels, sound barriers and gabion nets for various scenarios.

Can you customize fence size, color and style?

Yes, fully customized service is available. We can adjust size, mesh shape, wire diameter, coating color and design according to your project requirements and drawings.

What’s your product quality standard?

All products follow European and American coating standards, with strict automatic production and quality inspection. Our quality totally exceeds ordinary Chinese industry standards for long-term outdoor use.

How long is your fence service life?

With hot-dip galvanized and powder coated treatment, our fences can last 15+ years in normal outdoor environments, no rust, no fading or deformation.

Do you provide project solution design service?

Absolutely. Our professional technical team can design exclusive safety protection solutions for highways, airports, communities, industrial plants and other scenarios for free.

Sound Barrier Panel

Email:

lvtai123@outlook.com

WhatsApp:

8613315858328

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HEBEI LVTAI BUILDING MATERIAL TECHNOLOGY

We integrate R&D, production, sales and installation, supplying full-range guardrail products with full OEM & ODM customization for global engineering projects.

E-mail: lvtai123@outlook.com

Phone: +86-18831886686

WhatsApp: 8613315858328

Address: No. 15 Jingwu Road, High-tech Industrial Development Zone, Anping County, Hengshui City, Hebei Province, China

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Sound Barrier Panel

Product Introduction

Sound Absorption and Noise Reduction Principle of Noise Barrier