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  1. SSMSパブリケーション
  2. Vol.09

EXTRACTION OF INTENSIVELY MONITORED EXPANSION JOINTS BY MULTI-STAGE MIXED MARKOV HAZARD MODEL

http://hdl.handle.net/10173/1245
http://hdl.handle.net/10173/1245
dbf6c1a2-3ddf-48b3-a4a8-50eaa775e1ce
名前 / ファイル ライセンス アクション
sms13-5288.pdf sms13-5288.pdf (627.0 kB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2015-02-28
タイトル
タイトル EXTRACTION OF INTENSIVELY MONITORED EXPANSION JOINTS BY MULTI-STAGE MIXED MARKOV HAZARD MODEL
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
著者 MIZUTANI, Daijiro

× MIZUTANI, Daijiro

MIZUTANI, Daijiro

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KAITO, Kiyoyuki

× KAITO, Kiyoyuki

KAITO, Kiyoyuki

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KOBAYASHI, Kiyoshi

× KOBAYASHI, Kiyoshi

KOBAYASHI, Kiyoshi

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抄録
内容記述タイプ Abstract
内容記述 It is necessary to identify infrastructures relatively deteriorating fast, and to monitor, repair and
renew the infrastructures. However, regarding methods to extract the infrastructures from inspection data
obtained through ordinary inspections, there is actually no systematized methodology. In this paper, the
authors propose the multi-stage mixed Markov deterioration hazard model and its multi-hierarchical
Bayesian estimation. Furthermore, the benchmarking analysis towards stratified deterioration speeds
corresponding to decision making levels and the methodology to extract intensively monitored
infrastructures on each level are proposed. In order to verify the effectiveness of the proposed methodology,
empirical analysis is carried out using the visual inspection data of 10,689 expansion joints in 21 lines of
actual highway. The authors first mentioned that the deterioration process significantly depends on (1) kind
of expansion joint, (2) kind of surface layer pavement and (3) traffic volume, and clarified that the expected
life span of the expansion joints is about 18 years and it varies about 5 years due to the above mentioned
factors. Then, it was found that the expected life span of the expansion joints varies from about 9 years to
about 55 years by considering the heterogeneity of each line. Furthermore, the authors clarified that the
expect life span varies from about 5 years to more than 100 years in the fastest deteriorating line by
considering the heterogeneity of each expansion joint. Finally, by using the estimated result, the authors
carried out the relative evaluation of hazard rate and extract the intensively monitored expansion joints.
書誌情報 Society for Social Management Systems Internet Journal

巻 9, 発行日 2014-12
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Society for Social Management Systems
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