This is a case of road improvement work on National Route 13 in Yamagata City, Yamagata Prefecture.
We would like to introduce a case study of the construction of "Super Sol," an artificial lightweight material made from crushed and sintered waste glass, used as backfill for reinforced earth walls (Taille Armé method). This project involved the improvement of the Ononome intersection on National Route 13, which serves as a major artery in the inland areas of Yamagata Prefecture and Akita Prefecture. To alleviate traffic congestion, a raised structure was implemented using reinforced earth walls (Taille Armé), with Super Sol adopted as the backfill material. It was used extensively across three construction zones (Saoitome area, Nakakawahara area, and Hozumi area) for the roadbed and subgrade. 【Construction Case Study】 - Project Details: Improvement of National Route 13 - Usage Category: Civil Engineering / Backfill for Structures / Reinforced Earth Walls / Roadbed and Subgrade - Client: Ministry of Land, Infrastructure, Transport and Tourism, Tohoku Regional Development Bureau - Construction Location: Yamagata City, Yamagata Prefecture - Required Performance: Lightweight and reduced earth pressure For more details, please contact us or download the catalog.
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【Super Soil Application Examples】 [Civil Engineering] ○ Lightweight Fill → Roadbed → Subgrade → Leveling → Temporary Works ○ Backfill for Structures → Retaining Walls → Reinforced Earth Walls → Abutments ○ Foundations for Structures ○ Protection of Structures → Existing Structures → New Structures → Underground Installations ○ Backfilling ○ Elevation → Platforms → Others ○ Drainage Materials ○ Others [Greening] ○ Soil Improvement Materials → Ground Improvement → Planting ○ Drainage Materials → Rooftops → Under Planting → Subsurface Drainage → Pot Bottom Stones ○ Oxygen Pipes ○ Hydroponics ○ Horticultural Materials (for Retail) [Agriculture] ○ Soil Improvement Materials → Mixed Soil ○ Drainage Materials → Subsurface Drainage ○ Mulching Materials [Purification] ○ Water Quality Purification Materials ○ Rainwater Storage Tank Filling Materials [Livestock] ○ Dairy Wastewater Purification → Lightweight Floating Materials ○ Deodorizing Materials → Deodorizing Tanks [Others] ○ Insulation Materials ○ Deodorizing Materials ○ Humidity Control Materials ○ Filtration Materials ○ Security Gravel ○ Other Product Raw Material Mixing Materials ● For more details, please contact us or download the catalog.
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"Super Sol," made by crushing and sintering waste glass, is a lightweight material with countless holes, characterized by its porous structure. It is an artificial lightweight aggregate with an irregular particle size ranging from 2 to 75 mm. There are products with varying specific gravities and water absorption rates to suit different applications. Composed of soil components, it is an eco-friendly product with an eco-mark. **Features of Super Sol:** - **Lightweight:** It is 1/6 to 1/5 the weight of soil, with a proven track record as a lightweight fill material. By combining it with crushed stone, the unit weight can be controlled between 4 kN/m³ and 11 kN/m³. - **Drainage:** It can be used as a drainage material in civil engineering and greening projects. - **Aeration and Water Retention:** It can be used as an inorganic soil amendment for greening. - **Workability:** Its lightweight nature makes it easy to handle, facilitating construction in distorted terrains and narrow spaces. Like crushed stone, it can be installed through spreading and compaction without the need for curing time or special techniques. - **Stability:** Being mineral-based and inorganic, it is physically and chemically stable and does not corrode. - **Safety:** Since it is made from naturally derived glass, Super Sol is also composed of soil components, making it a highly safe material for the surrounding environment.