航路体系設計手法の開発-I : 交通環境評価の定式化

概要

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It is well known that the marine traffic simulation is a useful technique for evaluating the condition. But there are some problems when we discuss the marine traffic condition using simulation technique. One of them is the time comsumption that is needed for computer simulation, another is its procedure, the simulation is done for the specific situation, so it is difficult to estimate another situation through the simulation results which were done before. In this paper, formulation of evaluation of the marine traffic are proposed in order to get design technique for the fairway system. The formula is composed with the term of the standard condition and another terms adjusting the difference between the standard condition and the specific condition. The possibility of formulation are discussed through evaluating traffic condition of crossing point. It is decided by 4 traffic factors-as traffic density, crossing angle between two route which compose the crossing point, length of traffic vessels and their velocity. The following results are obtained: The proposed analysing procedure makes the relation between the factors and the marine traffic condition clear. The quantity evaluation can be described by proposed formula. The adequate accuracy of estimation is given by using 2nd order terms of adjustment.
社団法人日本航海学会の論文
1995-09-25