Ground improvement work in-situ soil purification method "L&R Geo Fine Method"
Achieving early and cost-effective treatment! In-situ soil remediation method using a scaling approach.
The "L&R Geofine Method" is a process that directly detoxifies contaminated soil in situ without excavation, achieving early and economical treatment without the spread of contaminants to the surrounding area. Additionally, by introducing a scaling mechanism in the stirring method, it allows for in situ treatment at only the necessary depth, enabling more efficient handling of in situ insolubilization work for heavy metals and in situ purification work for VOCs. 【Features】 ■ Expandable and contractible excavation head and stirring wings ■ Forward and reverse rotation due to the double-tube structure of the rod ■ Large diameter with a column diameter of up to φ1200mm ■ Special three-liquid injection swivel ■ Three independent injection pipes *For more details, please refer to the catalog or feel free to contact us.
basic information
【Specifications】 ■Target soil type: Alluvial ground (clay, sandy soil) ■Excavation depth: 7m ■Expansion mechanism: φ0.5m to φ1.2m ■Contaminants: Mainly heavy metals ■Treatment method: Insolubilization using chemicals ■Chemicals: Liquid *For more details, please refer to the catalog or feel free to contact us.
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Applications/Examples of results
【Applications】 ■In-situ remediation of soil contaminated with heavy metals ■In-situ remediation of soil contaminated with VOCs, etc. *For more details, please refer to the catalog 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.
