Development of Integrated Control Method of Landslide Using Information Technology.

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  • OKAMOTO Takashi
    Department of Soil and Water Conservation, Forestry and Forest Products Research Institute
  • MATSUURA Sumio
    Department of Soil and Water Conservation, Forestry and Forest Products Research Institute
  • ASANO Shiho
    Department of Soil and Water Conservation, Forestry and Forest Products Research Institute
  • MATSUYAMA Kouji
    Department of Soil and Water Conservation, Forestry and Forest Products Research Institute

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  • デジタル時代の応用地質　　情報通信技術を活用した地すべり総合管理手法の開発
  • ジョウホウ ツウシン ギジュツ オ カツヨウ シタ ジスベリ ソウゴウ カンリ シュホウ ノ カイハツ

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Abstract

The Yui landslide-threatended area in Shizuoka Prefecture has some important infrastructure such as an expressway and a railway line. Therefore, long-term maintenance and control of the landside area are required after the construction of landslide countermeasures has been finished. We therefore developed an integrated control method for landslides which utilizes network technology and the Geographical Information System (GIS) which have made rapid progress in recent years.<BR>A central part of this method is an automated observation system which monitors movement of the landslide. The carious equipment of this system is installed in the landslide area and mutually connected by a network. Therefore, the authorities can grasp the latest landslide movement at any time. We introduced the Geographical Information System (GIS) into the automated observation system in order to centralize the enormous amount of data collected by field and construction work for the landslide.<BR>The GIS also provides past information and enables the most suitable route for evacuation to be identified using an extraction and superposition function. This automated observation system started full-fledged operation in the Yui landslide-threatened area in fiscal 2001.

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