The birth of water-resistant air mortar! Ideal for backfilling injection in spring water, stagnant water, and flowing water conditions.
The newly introduced Air Pack method is a revolutionary technique that has improved "water-sensitive air mortar" into "water-resistant air mortar." Air mortar and air milk had the weakness of separating air and solid particles when in contact with water, but the Air Pack method addresses this weakness. It allows for limited injection to maintain a plastic solid state instantly, and since there is no material separation, uniform strength can be achieved. This method is suitable for backfilling injections in conditions of spring water, stagnant water, and flowing water, as well as for filling cavities in areas that come into contact with water. For more details, please contact us or refer to the catalog.
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basic information
【Features】 ○ Prevention of solid volume reduction → Air is trapped within the grout, making it resistant to dilution by water. ○ Assurance of solidification strength → No material separation, allowing for uniform strength to be achieved. ○ Prevention of leakage outside the injection range → Enables limited injection to maintain a plastic solidification state. ○ High safety → Uses raw materials with high safety that consider environmental aspects. ● For more details, please contact us or refer to the catalog.
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Applications/Examples of results
【Applicable Targets】 ○ Grouting injection in areas with spring water, stagnant water, or flowing water → Tunnel repair and renovation work, new tunnels, deep foundation piles, etc. ○ Filling of voids in areas that come into contact with water → River structures, harbor structures, boundary surfaces between existing structures and the ground, filling of sealed pipes, filling of abandoned mines, etc. ○ Injection or filling that requires limited injection ○ Filling required to reduce excessive loads ● For more details, please contact us or refer to the catalog.
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Company information
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.