Message一言
All essential aspects of our daily lives—such as housing, public facilities, and social infrastructure (e.g., roads, levees, bridges, and other open-air structures)—are supported by the ground, that is, by soil. Strictly speaking, soil is a three-phase material composed of soil particles, air, and water. Macroscopic phenomena such as shear deformation and failure, settlement, fluid infiltration, and the load-bearing characteristics of structures are governed by the behavior of soil particles—at the microscale for sand and at the nanoscale for clay—making soil a material with highly fascinating properties.
At the same time, soil exhibits a high degree of heterogeneity and significant variability in its properties, as even slight differences in particle packing or moisture content can cause large changes in its engineering behavior. Therefore, to fundamentally understand the various properties and phenomena exhibited by soil, it is crucial to clarify “what is happening inside the ground.” My research focuses on fundamental studies that elucidate particle-scale behavior in soil—phenomena that are normally difficult to observe—while also addressing engineering problems from both micro- and macro-scale perspectives, such as soil–structure interaction in pile foundations and reinforced soil walls, as well as liquefaction countermeasures. If you are interested, I would be delighted to explore these research topics together.
我々の生活に欠かせない住宅，公共施設，社会インフラ（例えば道路，堤防，橋梁など屋根の無い構造物）はすべて地盤，すなわち土によって支えられています．土は厳密には土粒子・空気・水の三相から成り，せん断変形～破壊，沈下，流体の浸透，構造物の支持特性といったマクロな現象が土粒子レベル（砂はミクロスケール，粘土はナノスケール）の挙動に支配される非常に興味深い性質を持った材料です．一方で，土は土粒子の詰まり具合や水分量が少しでも異なると工学的物性が大きく変化するため，不均質性が高く物性のばらつきが大きい材料でもあります．そのため，土が示す様々な物性や現象を本質的に理解するためには「土の中で何が起きているか」を解明することが重要です．私は，そういった通常は視ることが困難な土中の土粒子スケール挙動を明らかにする基礎的研究に重点を置きつつ，杭基礎・補強土壁といった構造物と地盤の相互作用問題や液状化対策といった工学的研究など，ミクロ・マクロの両視点から様々な研究トピックに取り組んでいます．興味がある方はぜひ一緒に研究しましょう．