We introduce the causes of liquefaction, SST liquefaction countermeasures, and physical principles!
This document introduces liquefaction countermeasures using the SST method. Research and development of countermeasures for liquefaction has a relatively short history, beginning at the national level after the Niigata earthquake in 1964, which caused the collapse of buildings due to liquefaction. By converting the numerous pieces of information obtained from the liquefaction damage during the Great East Japan Earthquake on March 11 into empirical values, we believe that it is possible to select liquefaction countermeasure methods that consider "cost-effectiveness." This document was created to introduce liquefaction countermeasures using the SST method. [Contents (partial)] ■ Introduction ■ Liquefaction phenomenon ■ Causes of liquefaction ■ Problems caused by liquefaction ■ Soil layers at risk of liquefaction *For more details, please refer to the PDF document or feel free to contact us.
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【Other Published Content】 ■Selection of Liquefaction Countermeasures ■2011 Tōhoku Pacific Offshore Earthquake (Urayasu City) ■SST Liquefaction Countermeasure Method and Physical Principles *For more details, please refer to the PDF document or feel free to contact us.
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SST Association Co., Ltd. has developed the "SST (Soil Squeeze Technology) method" for columnar ground improvement technology and is engaged in ground improvement projects using this technology. In response to societal needs such as reducing environmental impact and addressing natural disasters, we continue research and development to further evolve the SST method's technology. We are also working to expand the agency network for the SST method and to promote the expansion of ground improvement projects using the SST method, ensuring that its effects can be fully realized to contribute to society.