SG Demonstrates Long-Term Performance of EcoSteel Ascon... No Repairs Needed for 9 Years on Gyeongwon-daero

SG, a company specializing in asphalt concrete, has demonstrated the long-term performance of its eco-friendly, highly durable asphalt pavement material.

SG constructed Eco Steel Ascon on the 4-lane Incheon Gyeongwon-daero. SG

On September 3, SG announced that it had proven the long-term durability of its eco-friendly, high-durability asphalt pavement material, EcoSteel Ascon, through a long-term public service test on Incheon Gyeongwon-daero.

The section of Incheon Gyeongwon-daero where EcoSteel Ascon was installed during a trial construction in 2017 has maintained its initial pavement condition for nine years without a single repair, while the regular Ascon section underwent repairs more than twice during that period. No signs of aggregate whitening were observed, further confirming the material's excellent surface visibility and road safety performance.

Analysis showed that in the section where EcoSteel Ascon was applied, plastic deformation improved by 59.5%, crack rate by 78.7%, and longitudinal smoothness by 56.5% compared to conventional Ascon. The National Highway Pavement Condition Index (NHPCI) recorded a high score of 7.42, indicating excellent pavement conditions. The repaving cycle was extended by up to 2.04 times compared to conventional Ascon, and the life cycle cost (LCC) was reduced by 39.9%.

Ports, logistics facilities, industrial complexes, and large-scale urban development sites often experience frequent passage of heavy cargo vehicles and trucks, making pavement durability and long-term performance crucial. EcoSteel Ascon is expanding its applications as an eco-friendly, highly durable road pavement material by leveraging its stable constructability and quality in these heavy-load environments, thereby enhancing its competitiveness.

An SG representative stated, "Our diverse portfolio of public and private construction experience in Incheon, along with our long-term service performance data, serves as a reference that demonstrates both the technical strength and economic efficiency of EcoSteel Ascon. Building on our accumulated construction experience and proven performance, we will expand the application of this material to high-durability pavement markets, including local governments, public institutions, industrial complexes, logistics facilities, and national industrial complexes."

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