Reduce the permeability risk of dams! Rapid and high-precision ground investigation system.
In the dam industry, obtaining accurate data on soil permeability is essential to ensure the safety of the dam structure. Permeability directly affects the stability and durability of the dam, and improper soil assessment can lead to serious accidents such as leakage or collapse. The ground investigation system "RI Cone" enables rapid and high-precision soil surveys in situ, contributing to the safety management of dams. 【Usage Scenarios】 * Ground investigation of dam structures * Permeability evaluation of earthfill dams * Assessment of impermeability * Verification of ground improvement effects 【Benefits of Implementation】 * Shortened construction period due to rapid surveys * Reduced risk through high-precision data acquisition * Support for planning appropriate countermeasures * Evaluation of liquefaction risk
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**Features** * It is possible to quickly and in detail obtain and calculate physical property values such as soil strength, soil classification, density, and water content ratio in situ. * It is possible to understand the consolidation conditions of soft ground such as dredged fill sites, confirm the effects of ground improvement, and assess liquefaction. * It can be applied to ground with an N value of about 20 when combined with a dedicated penetration vehicle. **Our Strengths** Since our establishment in 1974, we have developed numerous technologies that utilize RI (radioisotope) measurement techniques in the construction field. As an "RI measuring instrument manufacturer," we handle everything from development to manufacturing, rental, and maintenance in-house. As a "construction consultant," we conduct field surveys utilizing RI technology, in addition to general ground investigations and soil tests. We are the only well-known company in the industry that demonstrates comprehensive strength through these two pillars, contributing to ensuring reliable quality at construction sites.
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Since our establishment, we have developed many measurement technologies that utilize various types of radiation emitted by radioisotopes, particularly gamma rays and neutron rays, in the construction field, specifically the RI method. The characteristics of the RI method are "non-destructive," "rapid," and "high precision." Currently, based on the development of unique measuring instruments that leverage these characteristics and the proposal of investigation methods, we focus on consulting that comprehensively addresses issues related to ground and soil construction by combining soil and geological surveys. Additionally, we also engage in the sale and rental of these RI instruments. Please feel free to contact us if you have any requests.
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