地質構造を基礎としたフラクチャーネットワークモデルの開発 (その1) : 解析の考え方

概要

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It has been pointed out that ground water in a fractured rock mass is mainly flowing in a three dimensional network of channels. A technique for modeling this network on the basis of the geologic structures of the major fractures is proposed in this paper. It is assumed that the channel is defined as the open part and/or the part in which many small fractures are concentrated on these major fractures. Some geologic structures that can form those parts are also studied. A new computer code named "Don-Chan" was newly developed for analysis of the ground water flow and the tracer migration in the 3-D channel network. The largest advantage of this computer code is the short calculation time. Because the trial calculation using 3-D channel network model can be rapidly carried out, this code is fit for the trial-and-error analysis used for improving the network model. The ground water flow around a tunnel in an idealized fractured rock was successfully calculated within a short time.
一般社団法人日本応用地質学会の論文
1994-08-10