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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Collapsing process simulations of timber structures under dynamic loading III: numerical simulations of real-size wooden houses

Journal of Wood Science volume 56, pages 284–292 (2010)Cite this article

Abstract

In this study, we developed a new analysis method that enables numerical simulations of the collapse process of real-size wooden houses and evaluated the accuracy thereof by carrying out numerical simulations by shaking table tests. The distinct element method was adopted as the basic theory of our numerical analysis. This research is the first approach in which the extended distinct element method was used for Japanese timber post-and-beam construction. The size of the analysis model is a 5.5 m × 5.5 m, two-story real-size wooden house. The three analytical models were developed in terms of the strength of exterior mortar walls. The simulation results were compared with the shaking table test results. One of the collapsing processes of the numerical simulation corresponds well to the experiment results. Assessment of the possibility of collapse for real-size wooden houses was determined to be possible using our newly developed numerical analysis method.

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Authors and Affiliations

  1. Department of Building Materials and Components, Building Research Institute, 1 Tachihara, Tsukuba, 305-0802, Japan

    Takafumi Nakagawa

  2. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, 113-8657, Japan

    Masamitsu Ohta

  3. National Institute for Land and Infrastructure Management, Tsukuba, 305-0802, Japan

    Takahiro Tsuchimoto

  4. Department of Structural Engineering, Building Research Institute, Tsukuba, 305-0802, Japan

    Naohito Kawai

Authors
  1. Takafumi Nakagawa
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  2. Masamitsu Ohta
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  3. Takahiro Tsuchimoto
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  4. Naohito Kawai
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Corresponding author

Correspondence to Takafumi Nakagawa.

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Nakagawa, T., Ohta, M., Tsuchimoto, T. et al. Collapsing process simulations of timber structures under dynamic loading III: numerical simulations of real-size wooden houses. J Wood Sci 56, 284–292 (2010). https://doi.org/10.1007/s10086-009-1101-x

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  • DOI: https://doi.org/10.1007/s10086-009-1101-x

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