DAMAGE TO RIVER STRUCTURES OF OMOTEROKKO-RIVERS DUE TO THE '95 HYOGO-KEN NANBU EARTHQUAKE

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  • 兵庫県南部地震による表六甲河川の河川構造物被害に関するデータベース構築とその分析
  • ヒョウゴケン ナンブ ジシン ニ ヨル オモテ ロッコウ カセン ノ カセン コウゾウブツ ヒガイ ニ カンスル データベース コウチク ト ソノ ブンセキ
  • CONSTRUCTION OF DATABASE ON THE DAMAGE AND ITS ANALYSIS

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Abstract

A devasting earthquake; “Hyogo-ken Nanbu Earthquake”, did a great deal of damage to the south area of Hyogo Prefecture. A database on damage to the river structures of the Omoterokko-Rivers is made using the data obtained from the field observations and the specifications of river restoration works. In order to increase the utility of the database, the tabulated informations of the damage are linked with the geographycal informations and the photographic ones. The damage to revetments is analyzed concerning the relationship among the structural type of revetments. the number/length of damaged sites, the damage form of revetments, etc. Collapses of the revetments which appear to be heaviest of damage form have mostly occurred within the disaster belt of seismic intensity 7.

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