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26 results on '"Daiki Sato"'

2. A SIMPLE EVALUATION METHOD FOR DEFORMATION OF THE SEISMIC ISOLATION SYSTEM CONSIDERING THE COMBINATION OF WIND LOADS

Author

Hachinori YASUI, Keisuke YOSHIE, Daiki SATO, Takeshi OHKUMA, and Shunsuke SHIMAOKA

Subjects
Architecture, Building and Construction
Abstract

In evaluating the wind response of base-isolated buildings, it is important to consider not only along-wind load but also the across-wind and the torsional wind loads. It is also known that devices using lead or tin with creep potential can be considered unable to resist mean wind force. In this paper, a simple evaluation method for the wind response of base isolated buildings is proposed considering the combination of equivalent static wind loads with creep potential.

Published
2023
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13. EVALUATION OF STIFFNESS OF BASE-ISOLATION LAYER AND SUPER-STRUCTURE OF HIGH-RISE BASE-ISOLATED BUILDING BASED ON SEISMIC OBSERVATION RECORDING

Author

Arisa Nakai, Kazuhiko Kasai, Daiki Sato, and Tomokazu Murakami

Subjects
musculoskeletal diseases, 0209 industrial biotechnology, animal structures, Materials science, technology, industry, and agriculture, Stiffness, 020101 civil engineering, 02 engineering and technology, Building and Construction, 0201 civil engineering, 020901 industrial engineering & automation, parasitic diseases, Architecture, medicine, Super structure, natural sciences, Composite material, Base isolation, medicine.symptom, Base (exponentiation), Layer (electronics), High rise
Abstract

The purpose of this paper is to evaluate stiffness of a base-isolation layer and a super-structure of high-rise seismic isolated building from the earthquake response observation records with different amplitude levels. As a result, the stiffness of the base-isolation layer based on observation records was close to the design value. As the amplitude increased, the stiffness of the super-structure reduced – confirming the amplitude dependence of the super-structure.

Published
2018
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14. PREDICTION OF THE TENSILE STRAIN OF LAMINATED RUBBER BEARINGS AND THE BENDING MOMENT OF BEAMS DUE TO SUPERIMPOSED HORIZONTAL AND VERTICAL RESPONSES USING CONSTANT ENERGY RULE

Author

Yoriyuki Matsuda, Haruyuki Kitamura, Kazuma Yoshie, Hideaki Kato, Daiki Sato, Masahiro Nakamura, and Takahiro Mori

Subjects
Stress redistribution, Materials science, Natural rubber, Horizontal and vertical, visual_art, Architecture, visual_art.visual_art_medium, Bending moment, Building and Construction, Tensile strain, Composite material, Constant (mathematics), Energy (signal processing)
Published
2018
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15. RESPONSE EVALUATION OF PASSIVE CONTROL STRUCTURE WITH VISCOUS DAMPERS CONSIDERING ITS PERFORMANCE DECREMENT UNDER LONG-PERIOD GROUND MOTION

Author

Sho Nagayama, Kazuhiko Kasai, Daiki Sato, and Kazuhiro Matsuda

Subjects
021110 strategic, defence & security studies, Viscous damper, business.industry, 0211 other engineering and technologies, 020101 civil engineering, 02 engineering and technology, Building and Construction, Structural engineering, 0201 civil engineering, Passive control, Architecture, Long period ground motion, business, Geology
Published
2018
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16. VERIFICATION OF DISPLACEMENT INTEGRATED FROM MEASURED ACCELERATION ON SHAKE TABLE EXPERIMENT OF FULL-SCALE GYMNASIUM SPECIMEN

Author

Atsushi Aoi, Daiki Sato, Koichi Kajiwara, Tomohiro Sasaki, Hiroyuki Tagawa, and Rie Suzuki

Subjects
Engineering, 010504 meteorology & atmospheric sciences, business.industry, Full scale, Building and Construction, Structural engineering, 010502 geochemistry & geophysics, 01 natural sciences, Displacement (vector), Acceleration, Architecture, Earthquake shaking table, business, 0105 earth and related environmental sciences
Published
2017
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18. CONSIDERATIONS ON THE CURRENT STORY SHEAR COEFFICIENT DISTRIBUTIONS USING BASE-ISOLATED STEEL WAREHOUSES WITH AN INHOMOGENEOUS MASS AND STIFFNESS

Author

Toshiaki Sato, Yukio Murakami, Huixin Fu, Takuya Ueki, Kazuaki Miyagawa, Daiki Sato, and Haruyuki Kitamura

Subjects
Materials science, Shear (geology), business.industry, Architecture, medicine, Steel structures, Stiffness, Building and Construction, Structural engineering, medicine.symptom, business
Published
2017
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19. INFLUENCE OF NUMBER OF WIND-FORCE SAMPLES ON RESPONSE OF HIGH-RISE BASE-ISOLATED BUILDING USING ELASTOPLASTIC MODEL

Author

Takeshi Ohkuma, Junji Katagiri, Keisuke Yoshie, Daiki Sato, Genki Saito, and Haruyuki Kitamura

Subjects
business.industry, Ensemble average, 0211 other engineering and technologies, 020101 civil engineering, 02 engineering and technology, Building and Construction, Structural engineering, Multi degree of freedom, 0201 civil engineering, Wind force, 021105 building & construction, Architecture, Base (exponentiation), business, Geology, High rise
Published
2017
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22. THE VIBRATION CONTROL PERFORMANCE EVALUATION METHOD BASED ON ABSORBED ENERGY FOR ELASTIC FRAME HAVING HYSTERETIC DAMPERS

Author

Keisuke Yoshie, Daiki Sato, Mitsuru Miyazaki, Kei Furuya, Yuichi Iwasaki, Masato Ishii, Haruyuki Kitamura, and Kazuhiko Sasaki

Subjects
Materials science, Energy absorbing, business.industry, Architecture, Frame (networking), Evaluation methods, Vibration control, Building and Construction, Structural engineering, business, Damper
Published
2014
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24. INFLUENCE OF NUMBER OF EXPERIMENTAL WIND FORCE SAMPLES ON WIND RESPONSE ANALYSIS OF A TALL BUILDING

Author

Keisuke Yoshie, Toshio Tsurumi, Hiroyuki Hirai, Daiki Sato, Haruyuki Kitamura, Takeshi Ohkuma, and Junji Katagiri

Subjects
Wind response, Wind force, Astrophysics::High Energy Astrophysical Phenomena, Physics::Space Physics, Architecture, Astrophysics::Solar and Stellar Astrophysics, Environmental science, Geotechnical engineering, Building and Construction, Physics::Atmospheric and Oceanic Physics
Abstract

In evaluation of wind-induced responses through time-history analysis based on stationary random process, its responsive value must be dealt with numerous numbers of statistics. However, the designing value is often determined from the small number of samples because of limited time and expense in practice. Therefore, it is important and necessary to grasp dispersion of wind response from small number of samples. In this paper, the dispersion of wind forces and wind-induced responses are investigated from wind tunnel tests. Then, the influence on wind responses due to the difference in the number of samples used as an ensemble average is elucidated.

Published
2012
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25. CHARACTERISTIC OF HIGHER MODE RESPONSE OF HIGH-RISE BUILDING UNDER FLUCTUATING WIND FORCE

Author

Hiroyuki Hirai, Daiki Sato, Yuya Suzuki, Haruyuki Kitamura, and Keisuke Yoshie

Subjects
Engineering, business.industry, Modal analysis, Seismic loading, Mode (statistics), Building and Construction, Structural engineering, Wind response, Wind profile power law, Wind force, Coupling (computer programming), Architecture, Range (statistics), business
Abstract

As buildings have become higher, it is likely to find the wind loads that is equal to or even greater than the design seismic loads. Therefore, it is important to estimate responses of high-rise buildings under fluctuating wind force. This paper presents contribution rate of higher mode wind response of multi-mass system for high-rise buildings by using a modal analysis in elasto range. Then, it shows that the wind responses are usually separated into the low and high frequency components, and the wind responses can be expressed as sum of them. The agreement between the predicted value based on coupling of two components and results of time-history analysis was finally confirmed.

Published
2012
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26. INFLUENCE OF THE CONTINUOUS ARRANGEMENT OF HYSTERETIC DAMPER AND VISCOUS DAMPER ON VIBRATION CONTROL EFFECT OF HIGH-RISE BUILDING

Author

Keisuke Yoshie, Haruyuki Kitamura, Mitsuru Miyazaki, Kazuhiko Sasaki, Kohei Soeta, Masato Ishii, Daiki Sato, and Yuichi Iwasaki

Subjects
Materials science, Viscous damper, business.industry, Tuned mass damper, Architecture, Vibration control, Building and Construction, Structural engineering, business, Damper, High rise
Published
2012
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