材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
論文
変形係数と強度の低下を考慮した長大岩盤斜面崩壊事例の数値解析
芥川 真一織田澤 ひとみ櫻井 春輔
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2006 年 55 巻 5 号 p. 515-522

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A large scale rock slope failure, with an estimated collapse volume of 2,700,000m3, occurred at a site where the deformational behavior had been monitored over several years. The characteristics of the behavior were in that the deformation was recorded not only during excavation of the slope, but also between excavations. This paper presents a summary of an investigation on the deformational mechanism both during and between excavations. In particular, a finite element procedure used herein has introduced a new method of modeling deformation between excavations as that associated with a reduction of material strength parameters. The results of this investigation suggest that a sign of a large scale collapse might have been seen in a relatively early stage of the slope excavation procedure.

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© 2006 日本材料学会
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