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117 results on '"SUGANO, Takahiro"'

6. Underwater shake table tests on waterfront structures protected with tire chips cushion

Author

Hazarika, Hemanta, Kohama, Eiji, and Sugano, Takahiro

Subjects
Waterfront development -- Environmental aspects, Dynamic testing -- Methods, Earthquake resistant design -- Evaluation, Earth sciences, Engineering and manufacturing industries, Science and technology
Abstract

A series of large-scale underwater shaking table tests was performed on a gravity type model caisson protected by a cushioning technique using tire chips (scrap tire derived recycled product). The function of the tire chips cushion is to reduce the load and restricting the permanent displacement of such waterfront retaining structures during earthquakes by exploiting the compressibility, the ductility and the energy absorbing capacity of tire chips. The seismic performance of such earthquake resistant techniques was evaluated by subjecting the soil-structure system into three different earthquake loadings (two actual earthquake records and one synthetic earthquake), and measuring the respective responses. The results demonstrated that the seismic load against the caisson quay wall could be substantially reduced using the proposed technique. In addition, the presence of the protective tire chips cushion could significantly reduce the earthquake-induced residual displacement of the caisson quay wall. CE Database subject headings: Costs; Earthquake resistant structures; Environmental issues; Shake table tests; Waterfront structures.

Published
2008

7. Soil-pile response to blast-induced lateral spreading. I: field test

Author

Ashford, Scott A., Juirnarongrit, Teerawut, Sugano, Takahiro, and Hamada, Masanori

Subjects
Blasting -- Environmental aspects, Soil liquefaction -- Analysis, Earth sciences, Engineering and manufacturing industries, Science and technology
Abstract

Two full-scale experiments using controlled blasting were conducted in the Port of Tokachi on Hokkaido Island, Japan, to assess the behavior of a single pile, a four-pile group, and a nine-pile group subjected to lateral spreading. The test piles were extensively instrumented with strain gauges to measure the distribution of bending moment during lateral spreading which allowed the backcalcuiation of the loading conditions, as well as the assessment of damage and performance of the piles. Based on the test results, it was concluded that using controlled blasting successfully liquefied the soil, and subsequently induced lateral spreading in the 4-6% surface slope test beds. The free-field soil displacements in the vicinity of the test piles were over 40 cm for both tests. When compared with the results from the single pile case, the effect of pile head restraint from the pile cap improved overall pile performance by decreasing the displacement of the pile groups and lowering the maximum moments in individual piles within each group. Finally, backcalculated soil reactions indicated that the liquefied soil layer imparted insignificant force to the piles. In the companion to this paper (Part II), an assessment of the potential of using the p-y analysis method for single piles and pile groups subjected to lateral spreading is presented. CE Database subject headings: Piles; Pile groups; Liquefaction; Soil-pile interaction; Experimentation; Japan; Blasting.

Published
2006

10. Relationship between Plantar Pressure and Sensory Disturbance in Patients with Hansen’s Disease—Preliminary Research and Review of the Literature

Author

Tashiro, Syoichi, primary, Gotou, Naoki, additional, Oku, Yuki, additional, Sugano, Takahiro, additional, Nakamura, Takuya, additional, Suzuki, Hiromi, additional, Otomo, Nao, additional, Yamada, Shin, additional, Tsuji, Tetsuya, additional, Asato, Yutaka, additional, and Ishii, Norihisa, additional

Published
2020
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12. Orthotic treatment for refractory plantar ulcers using distribution assessments of sensory disturbance and dynamic plantar pressure in patients with Hansen's disease: A case series

Author

Tashiro, Syoichi, primary, Oku, Yuki, additional, Gotou, Naoki, additional, Sugano, Takahiro, additional, Kikuhara, Keita, additional, Nakamura, Takuya, additional, Suzuki, Hiromi, additional, Endo, Norio, additional, Miyata, Chieko, additional, Mizuno, Katsuhiro, additional, Ishii, Norihisa, additional, and Asato, Yutaka, additional

Published
2019
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