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陰解法弾塑性計算アルゴリズムを用いた圧縮荷重下に存在するき裂先端近傍応力場の有限要素解析
- フォーマット:
- 論文
- 責任表示:
- 鱸, 洋一 ; 矢富, 盟祥
- 言語:
- 日本語
- 出版情報:
- 土木学会 = Japan Society of Civil Engineers, 2004-01-01
- 著者名:
- 掲載情報:
- 応用力学論文集 = Journal of applied mechanics : JSCE
- ISSN:
- 1345-9139
- 巻:
- 7
- 開始ページ:
- 597
- 終了ページ:
- 606
- バージョン:
- publisher
- 概要:
- In this paper, we examine the implicit elasto-plastic calculation algorithm with contact conditions on the crack surfaces in order to obtain stress and strain fields near a crack tip under the biaxial compressive loads. It is important to elucidate the fracture criterions under compressive loads such as the explanation of the existence and the creation of long faults, landslide in slope ground and so on. We find that the mode II crack extension can be explained by … plastic effect near a crack tip, and stretch fracture surrounding a plastic crack tip does not occur, especially, the internal friction angle is small. We also find, under the softening plasticity, that deviatoric strain region extends straightly from a crack tip and localizes to narrow band. 続きを見る
- URL:
- http://hdl.handle.net/2297/36689
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