Mode Cell Method
Acquisition of technical evaluation: A mechanism that is easy to repair without compromising the basic performance, enabling inexpensive and rapid repairs during liquefaction.
What are reliable ground improvement methods for liquefied ground? - The occurrence of earthquakes cannot be predicted. - The magnitude of earthquakes cannot be predicted. - The presence or absence of liquefaction cannot be predicted. - The extent of liquefaction cannot be predicted. - The amount of differential settlement due to liquefaction cannot be predicted. - The cost of repair work cannot be predicted. Therefore, based on the premise that some degree of differential settlement damage to single-family homes during an earthquake is unavoidable, we considered that by incorporating a mechanism during new construction that allows for leveling a tilted foundation using a mode cell anchor bolt with an adjustable length via a movable nut, it would be possible to carry out repairs without compromising the original strength of the foundation. The mode cell method, realized for the first time with the mode cell anchor bolt, is the solution.
basic information
The housing damage caused by liquefaction, which resulted in significant destruction during the Great East Japan Earthquake, amounted to approximately 27,000 buildings across one metropolitan area and eight prefectures. As a result, since the earthquake, major construction and ground improvement companies have been developing and implementing liquefaction countermeasures. However, the current situation is that these measures are often large-scale and expensive, and since they have not been tested in actual earthquakes, their effectiveness remains unverified, leading to unclear cost-effectiveness.
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For more details, please refer to the catalog or feel free to contact us.
