Estimation of three-dimensional sliding plane geometry using ground surface displacement data

• MIYAZAWA Kei

  Naganogiken Co., Ltd.

• TANIGUCHI Atsushi

  Ministry of Land, Infrastructure, Transport and Tourism

• OHKAMI Toshiyuki

  Shinshu University

• TOYOTA Masashi

  Shinshu University

• TAKEUCHI Hitoshi

  Nissaku Co., Ltd.

• YOSHIZAWA Norikazu

  Shinshu University

Bibliographic Information

Other Title

• 地表変位データを用いた三次元すべり面形状の推定
• チヒョウ ヘンイ データ オ モチイタ サンジゲンスベリ メンケイジョウ ノ スイテイ

Abstract

A new approach named polyhedron method is proposed for estimating underground sliding plane geometry by analyzing only ground displacement vectors. The displacement vectors are calculated from three-dimensional positional data of ground points surveyed in the landslide area at different times, and a three-dimensional underground sliding plane geometry is estimated by the polyhedron which consists of triangular surfaces. The proposed method is applied to actual landslide areas of Shin-yasu landslide and Aidoji landslide in Nagano prefecture.

Journal

• Journal of the Japan Landslide Society

  Journal of the Japan Landslide Society 49 (1), 22-35, 2012

  The Japan Landslide Society

Keywords

• underground sliding plane geometry
• ground displacement data
• polyhedron model
• least square method

Details

• CRID: 1390001205202454528
• NII Article ID: 10030362650
• NII Book ID: AA11837172
• DOI: 10.3313/jls.49.22
• ISSN: 18820034
• ISSN: 13483986
• NDL BIB ID: 024156703
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I024156703
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed