Soundproof Highway Noise Barrier With H-Shaped Steel Columns
The selection principles of sound insulation walls for highways:
The general principles for selecting materials for highway
soundproofing walls are good noise reduction performance, safe and
reliable structure, economical material price, low installation
cost, durability, long service life, coordinated landscape, and
elegant appearance. The specific instructions are as follows:
(1) High sound insulation: The average sound insulation should not
be less than 35dB;
(2) High sound absorption coefficient: The average sound absorption
coefficient should not be less than 0.84;
(3) Weather resistance and durability: The product should have
water resistance, heat resistance, UV resistance, and will not be
degraded or have abnormal quality due to changes in rainwater
temperature. The products are made of aluminum alloy coiled plate,
galvanized coiled plate, Glass wool, and the galvanized outer
surface of H steel column has a anti-corrosion life of more than 15
years.
(4) Aesthetics: Multiple colors and shapes can be selected for
combination, coordinating with the surrounding environment to form
a beautiful scenery.
(5) Economy: prefabricated construction can improve work
efficiency, shorten construction time, and save construction costs
and labor costs.
(6) Convenient: Parallel installation with other products, easy to
maintain, and easy to update.
Sound barriers are mainly used for sound insulation and noise
reduction of highways, highways, elevated composite roads, and
other noise sources. Divided into pure sound insulation reflective
sound barriers,
A composite sound barrier that combines sound absorption and
insulation, the latter being a more effective sound insulation
method. Refers to reducing the impact of driving noise on nearby
residents
A wall like structure set on the side of railways and highways.
Acoustic walls are also known as sound barriers. Insert a facility
between the sound source and receiver to make the sound
| Main materials and specifications |
| Name | Details | Description |
Noise barrier |
Noise barrier | Metal | galvanized plate, aluminum alloy plate, color steel plate, pinhole
composite aluminum plate, foam aluminum plate, aluminum fiber, etc |
| Transparent material | laminated glass, PC board, acrylic board |
|
| Hole type | louver hole: commonly used aperture 20 * 137/20 * 182 |
| Micropores: commonly used with 3 holes and 3 pitches, 5 holes and 2
pitches, and 2 holes and 4 pitches |
| Opening rate | not less than 25% |
| Common sizes | 500 * 2000 * 80mm, 500 * 2000 * 100mm, 500 * 2500 * 80 (100) mm,
500 * 2000 * 120mm, etc |
| Surface | The surface concave and convex grooves can be customized according
to the drawings or customer requirements |
| Surface treatment | electrostatic powder spraying, fluorocarbon spraying |
| Color | green 6029, blue 5017, gray 7042, white 9010, etc. The colors can
be selected according to the national standard color card |
H-shaped steel column | material | Q235B |
| Commonly used specifications | 100*100*6*8/125*125*65*9/150*150*7*10/175*175**75*11mm |
| ommonly used height | 2m-6m,up to12m |
| Flange plate | |
| Lonng hole:22*30,24*30,26*40,28*40,circular hole:22,24,26,28,30,35 |
| Surface treatment | hot dip galvanizing - electrostatic powder spraying, fluorocarbon
spraying |
| Color | green 6029, blue 5017, gray 7042, white 9010, etc. The colors can
be selected according to the national standard color card |
| Built in sound absorbing material | ultra-fine centrifugal Glass wool board | ensity 32kgm, density 48kgm *, etc |
| Glass wool outer package | DuPont ET film | thickness 16 microns, waterproof, sound-absorbing, anti-aging |
| Applicable scope | Applicable to noise control of highways, overpasses, railways,
residential areas, factory areas, workshop equipment, etc |
Precautions for construction of sound insulation walls on highways:
1) The position of the highway soundproof wall in the project is
inevitably changed during the construction process. Therefore,
before construction, the construction and installation units must
verify and measure the position and elevation of the foundation of
the highway soundproof wall column, and make necessary corrections.
2) When setting out during construction, the designated elevation
of the civil engineering project must be used as the control point.
3) The construction unit of H-shaped steel column embedded parts
shall cooperate with the construction at a spacing of 2500 mm.
4) The columns and installation parts of the highway soundproof
wall should undergo anti-corrosion treatment.
5) After the H-shaped steel column is accurately positioned, the
vertical error shall not be greater than 2mm/m after adjusting its
horizontal and vertical straightness.
6) EVA sponge rubber strips are used to seal the two ends of the
highway soundproof wall screen and the steel columns, and EVA
sponge rubber pads are used to seal the gap between the highway
soundproof wall and the foundation.
7) The use of snap springs must ensure that the soundproof wall
materials on highways are installed firmly and must not cause
secondary noise due to looseness.
Loading of noise barrier
Features:
High sound insulation: The average sound insulation is 37dB.
Number of sound absorption systems: high sound absorption
coefficient 0.95
Weathering durability: The product has water resistance, heat
resistance, UV resistance, and will not decrease performance or
quality abnormalities due to changes in rainwater temperature.
Aesthetics: Multiple colors and shapes can be selected for
combination, coordinating with the surrounding environment to form
a beautiful scenery.
Economy: prefabricated construction can improve work efficiency,
shorten construction time, and save construction costs.
Convenient: Parallel installation with other products, easy to
maintain, and easy to update.
Safety: Both ends of the sound-absorbing board can be connected and
fixed with steel wire ropes to prevent secondary damage and damage
to personnel and property.
Lightweight: The large arc sound barrier product has the
characteristic of light weight, with a mass of less than 25
kilograms per square meter, which can reduce the load-bearing
capacity of elevated light rail and elevated roads, and can reduce
structural costs.
Fire prevention: ultra-fine Glass wool is used. Because of its high
melting point and non combustible, it fully meets the requirements
of environmental protection and fire prevention specifications, and
its fire protection rating reaches Grade A.
