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한수도로산업

The Quiet Asphalt

Low-noise pavement excellent with long-lasting noise reduction

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txt-icon Overview
The Quiet Asphalt performs noise reduction over 7dB (8~11dB) compared to existing deteriorated asphalt and is non-permeable low-noise pavement with effective long-lasting noise reduction by no voids closing in operation. [Noise Reduction Measure Recognized by Environmental Impact Assessment – 7 dB Reduction]

txt-icon Properties
  • 01Excellent noise reduction more than 7dB compared to existing deteriorated roads
  • 02Excellent long-lasting effect of noise reduction because of no voids closing in operation
  • 03Easy maintenance & no need for the perforated drainpipe
  • 04Excellent constructability due to the identical method and equipment used in the existing asphalt pavement

txt-icon Uses
  • 01Densely populated area with the road noise complaints
  • 02Schools, hospitals or government office area
  • 03Roads requiring soundproof wall installation
  • 04Roads requiring additional noise reduction

txt-icon Effect of Noise Reduction
Seoul-si, South Korea Suwon-si, South Korea Incheon-si, South Korea Daejeon-si, South Korea
Noise Measurements (dB) Noise Measurements (dB) Noise Measurements (dB) Noise Measurements (dB)
Before 81.8 Before 77.7 Before 75.2 Before 75.0
After 69.2 After 67.3 After 66.6 After 64.8
Noise Reduced 12.6 Noise Reduced 10.4 Noise Reduced 8.6 Noise Reduced 10.2

txt-icon Construction Procedure(Cutting)
1
Cutting
1
2
HS-Coat spraying
2
3
Paving
3
4
1st Compaction with Macadam
4
5
2nd Compaction with Tire Roller(2 passes)
5
6
3rd Compaction with Tandem
6
7
Completion
7

txt-icon Construction Procedure(without Cutting)
1
Cutting
1
2
HS-Coat spraying
2
3
Paving
3
4
Compaction (macadam)
4
5
Compaction (tire-roller and tandem roller)
5
7
Completion
7

txt-icon Construction Cases
1
Seoul-si
▶
2
Seoul-si
2
Seoul-si
2
Incheon-si
2
Sejong-si
▶
2
Hwaseong-si
▶
2
Suwon-si
▶
2
Suwon-si
2
Chungju-si
▶
2
Chungju-si
2
Cheonan-si
2
Changwon-si
▶
2
Korea Expressway Corporation Honam Line
2
Gwacheon-si
2
Seosan-si
2
Hwaseong-si
2
Chungju-si
2
Incheon-si
2
Yongin-si
2
Yongin-si
2
Daejeon-si
2
Cheonan-si
2
Chungju-si
2
Sejong-si
  • HANSOO ROAD INDUSTRY CO.,LTD
  • TEL : +82 42 - 823 - 6890
  • FAX : +82 42 - 823 - 6893
  • Head Office : 6-20, Yuseong-daero 1205beon-gil, Yuseong-gu, Daejeon, 34104, Republic of Korea
  • Factory : 61, Yanghwa-gil, Geumsan-eup, Geumsan-gun, Chungcheongnam-do, 32743, Republic of Korea
Copyright © HANSOO ROAD INDUSTRY CO.,LTD. All rights reserved.