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Featured researches published by Toshio Sugii.


Structural Safety | 1994

Logit model for river levee stability evaluation considering the flood return period

Takao Uno; Toshio Sugii; Mikio Hayashi

Abstract Probabilistic models of the binary logit model for both middle/small and large-scale levees are presented for the evaluation of the stability of river levees. Stability can be expressed as the probability of collapse of a levee as estimated by this logit model. The expectation cost (sum of the damage risk potential plus cost of restoring the levee) is adopted for the comprehensive evaluation of river levees where the application is limited to damage done to the levee itself and excludes damage to human life and property. This method, therefore, can be used to determine appropriate types of improvements. The evaluation is statistical and requires a large amount of data including data about non-damaged levees. To circumvent this, we consider the probability of a flood and its return period and show that a practical probability of levee damage actually occuring must be calculated using a combination of the logit model and the return period.


Jiban Kogaku Janaru (japanese Geotechnical Journal) | 2006

DECISION OF COUNTERMEASURE PRIORITY FOR DANGEROUS SLOPES BY GIS-BASED LOGIT ANALYSIS

Masaki Kojima; Toshio Sugii; Atsushi Yashima; Kazuhide Sawada; Syuji Moriguchi

道路防災点検によって抽出された早急に対策を要する膨大な数の危険斜面の中から, 優先的に対策を施すべき危険斜面を選定するための手法として, すべての危険斜面に対して対策の優先順位をつけるロジットモデル解析を提案する。岐阜県内の特定の地域を対象に, 防災専門家による点検結果の所見に含まれるキーワードから, これまでに優先的に対策が施された危険斜面の選定に大きな影響を及ぼしたと考えられるキーワードを抽出し, そのキーワードを基準要因とする要因モデルを構築した。構築した要因モデルを岐阜県内の他の地域に適用して対策の有無の的中率を算出し, 本解析手法の妥当性を検証した。また, 本解析手法をシステム化するにあたり道路防災点検結果をデータベース化し, 解析・データ管理する基盤として道路防災GISを構築した。


Doboku Gakkai Ronbunshu | 1990

METHOD OF TEST FOR PERMEABILITY OF UNSATURATED SANDY SOIL WITH CONTROLLED AIR PRESSURE

Takao Uno; Takeshi Sato; Toshio Sugii; Hiroshi Tsuge


Journal of Natural Disaster Science | 1987

Application of a logit model to stability evaluation of river levees

Takao Uno; Hisa Morisugi; Toshio Sugii; Kenji Ohashi


Doboku Gakkai Ronbunshu | 1993

CONSIDERATIONS OF PERMEABILITY RELATED TO PHYSICAL PROPERTIES OF PARTICLES BASED ON THE MEASUREMENT OF SPECIFIC SURFACE AREA

Takao Uno; Toshio Sugii; Kohji Kamiya


Japanese Geotechnical Society Special Publication | 2017

Simple design method for detached house on liquefied ground

Hiroshi Yokawa; Atsushi Yashima; Toshio Sugii; Kimio Yamada; Norio Asano; Takayasu Yoshihara


Japanese Geotechnical Society Special Publication | 2016

Ground destabilization due to soil particle effluxes

Toshio Sugii; Kimio Yamada; Hiroshi Yokawa; Norio Asano


international colloquium on grammatical inference | 2012

Identifying Location of Rockfall Sources by Topographical and Geological Conditions

Norio Asano; Toshio Sugii; Kimio Yamada


Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering, Osaka, Japan, 12-16 September, 2005. | 2006

Modeling of soil moisture profile during infiltration into vadose zone.

Toshio Sugii


Fourth International Conference on Unsaturated Soils | 2006

Predicting the Hydraulic Conductivity of Unsaturated Soils from a Soil Moisture Profile

Toshio Sugii

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