Build and maintain safer and more secure infrastructure.
Social Infrastructure (Saitama University Research Seed Collection 2025-27 p.14)
Keywords: Concrete, Steel, Load-bearing capacity, Load testing, Numerical analysis
Inspired by the words of my mentor, "To build structures that do not break, one must first understand how they break," I am conducting research through destruction experiments and numerical analysis of various infrastructure structures, including concrete structures, with the aim of making bridges and other infrastructure built with taxpayers' money safer and more secure. With the motto of "aiming for truly applicable research and development," I not only conduct experiments but also engage in technical discussions based on mechanical principles and mechanisms that can explain the phenomena and results obtained. Utilizing both load tests and numerical analysis, I conduct a wide range of research that does not limit itself to the type of materials, including the development of composite and hybrid structures combining steel and concrete, concrete members reinforced with FRP, elucidation of the coupled behavior between structures and surrounding ground, and the mechanical properties of cement-improved ground, which is one of my strengths.
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Takeshi Maki, Professor Graduate School of Science and Engineering, Department of Environmental Social Infrastructure, Field of Social Infrastructure Creation 【Recent Research Themes】 ● Development of concrete members using FRP as reinforcement ● Load-bearing characteristics of steel-concrete composite structural joints ● Mechanical properties of deteriorated prestressed concrete beams ● Seismic behavior of RC underground structures in liquefied ground
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【Appeal Points to the Industry】 ● Various loading test equipment and know-how (loading devices for columns and beams, universal testing machines for material testing, etc.) ● Capable of conducting nonlinear numerical analysis of concrete structures and ground ● Obtained several patents through joint research with companies 【Examples of Practical Application, Use Cases, and Utilization】 ● Jointly developed (patented) and implemented a wall railing that can be updated with short-term traffic regulations ● Evaluated the effectiveness of reinforcing existing structures through experiments and analysis ● Assessed the seismic behavior of existing underground culverts using numerical analysis that considers ground liquefaction ● Proposed a damage assessment method used in nonlinear finite element analysis, which has been adopted in design guidelines
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Nonlinear Finite Element Analysis of Cylindrical Tanks
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.