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Keywords = soil squeezing technology (SST)

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19 pages, 10571 KB  
Article
Efficient Urban Soil Improvement Using Soil Squeezing Technology for Constrained Environments
by Shinya Inazumi, Kuo Chieh Chao, Tetsuo Iida and Takeshi Yamada
Sustainability 2025, 17(1), 317; https://doi.org/10.3390/su17010317 - 3 Jan 2025
Viewed by 2200
Abstract
This study introduces soil squeezing technology (SST) as an innovative approach to soil improvement that addresses the limitations of conventional methods in urban geotechnical projects. Unlike traditional in situ mixing, SST uses displacement, compaction, and controlled solidification to effectively increase soil cohesion and [...] Read more.
This study introduces soil squeezing technology (SST) as an innovative approach to soil improvement that addresses the limitations of conventional methods in urban geotechnical projects. Unlike traditional in situ mixing, SST uses displacement, compaction, and controlled solidification to effectively increase soil cohesion and strength while reducing voids. By minimizing reliance on large mixing plants and bulky machinery, SST offers significant advantages in confined urban spaces, providing accessibility and operational efficiency. This paper describes the mechanism of SST, field application procedures, and adaptability to different soil types including humus and organic-rich soils. The compaction-driven approach ensures the consistent formation of dense, high-strength columnar soil structures, even in challenging geotechnical environments. Field studies demonstrate SST’s superior bearing capacity, uniformity, and reduced site disturbance compared to conventional methods, making it suitable for modern infrastructure. Quality control through real-time inspection further highlights the operational reliability of SST. This research underscores SST’s potential as a cost-effective, scalable solution that meets the stringent demands of urban development while minimizing environmental impact and optimizing resource use. Full article
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