"Long-distance pumping up to 5,000m" Strong against water and capable of long-distance pumping! We are currently offering materials that include test results and construction examples.
The "NLG Method" by Aso Foam Crete is a construction method aimed at filling back cavities in tunnels and voids between structures and the ground using non-air-based grout materials. It is particularly adept at long-distance pumping and is used for repair work in long tunnels. Additionally, it maintains a stable state (non-separation) even underwater, making it suitable for construction in areas with groundwater or underwater. 【Features】 ■ Capable of long-distance pumping up to 5,000m ■ Excellent filling properties ■ High non-leakage and non-shrinkage characteristics ■ Superior underwater non-separation resistance ■ Good workability and stability *For more details, please refer to the PDF materials or feel free to contact us.
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【NETIS Registration】 Technology Name: NLG Method NETIS Registration Number: KT-160140-A Patent Number: Patent No. 6487952 【Tests Passed】 ■ NEXCO Back Hollow Injection Material Application Confirmation Test - Filling Property Confirmation Test - Non-Leakage Confirmation Test - Non-Shrinkage Confirmation Test - Underwater Separation Resistance Test ■ Arch-Shaped Formwork Underwater Filling Test *For more details, please refer to the PDF document or feel free to contact us.
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【Purpose】 ■ Repair work for tunnels, waterways, etc. (backfill injection) ■ Filling work for voids under subfloor structures, embankments, levees, etc. *For more details, please refer to the PDF document or feel free to contact us.
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In the mid-1950s, during a period of construction boom leading up to the Tokyo Olympics, Asou Sangyo Co., Ltd. (now Asou Corporation) focused on the increasing demand for lightweight and labor-saving high-rise buildings. They recognized the advantages of using aerated concrete (air mortar), which excels in lightweight properties and thermal insulation, as insulation material, and established the company with the aim of manufacturing and constructing building-grade aerated concrete. The unique technology developed through research and development of imported technology from the United States, along with the excellent characteristics of their product (aerated concrete), matched the needs of the times. It was used for waterproofing on rooftops to reduce the weight of high-rise buildings, raising floor slabs on each floor, and embedding piping in mechanical rooms. Subsequently, the lightweight properties of aerated concrete attracted attention from various fields, leading to its adoption in numerous civil engineering projects, including the Tōkaidō Shinkansen construction. To date, the construction achievements have exceeded 10 million cubic meters, and the company continues to provide satisfaction to the times and society as a pioneer of air mortar and a technology development-oriented enterprise that responds to various needs.
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