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막재료의 전단변형에 따른 주름(wrinkle)의 발생과 강성변화에 관한 연구
김희균(Kim Hee-Kyun),하단창지(Masaya Kawabata),김한철(Kim Han-Chul),최영화(Choi Young-Wha) 대한건축학회 2004 大韓建築學會論文集 : 構造系 Vol.20 No.10
Membrane's rigidity and state of the stress change greatly by the wrinkle. However, because the measurement example concerning load-displacement relation of the membrane material which is accompained by the wrinkle generation by the experiment is few, an enough verification is not done.<br/> The low stress level is generated in the wrinkle which is accompanied by the shear though the wrinkle experiment in the past is a lot of the one done at a high stress level Moreover, the rigidity is high and the change in the direction of the string according to the shear deformation is also large. And, experiments on the shear deformation of the membrane material in this study, the relation between the wwinkle generation and the rigidity change is examined, and whether an analytical technique by the stress transition method appropriately evaluates the wrinkel generation of the membrane material is verified. In addition, the problem after the wrinkle is generated is arranged, and a proper evaluation method is proposed.