トンネル工学論文集
Online ISSN : 1884-9105
Print ISSN : 1349-5399
ISSN-L : 1349-5399
切羽と吹付けコンクリート支保の距離が支保特性曲線に及ぼす影響について
熊坂 博夫
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ジャーナル フリー

2008 年 18 巻 p. 11-20

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A sequential excavation analysis was made using an axisymmetric model by varyingthe distance between the tunnel face and the point where shotcrete support was erected as a parameter. As a result, it was found that the point of equilibrium would not be identical with the point of intersection of the support and ground characteristic curves, and that the point of equilibrium on support characteristic curves varied differently near or away from the tunnel face in the case where the distance between tunnel face and shotcrete support was used as a parameter.

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© 社団法人 土木学会
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