土木学会論文集A2(応用力学)
Online ISSN : 2185-4661
ISSN-L : 2185-4661
応用力学論文集Vol.15(特集)
自硬性を考慮した石炭灰のモデル化及び埋立て模型地盤の解析シミュレーション
Phommachanh Viradeth前川 太河井 克之飯塚 敦
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2012 年 68 巻 2 号 p. I_307-I_315

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Coal fly-ash is a product of the coal-burning process in thermal power plants. Coal fly-ash has self-hardening property and increases its stiffness with time. Therefore, it has been reused as a concrete aggregate in the production of concrete up to now. Recently, coal-fly ash is mixed with dredged soil from construction waste and reused for reclamation. In order to reuse coal fly-ash in the geotechnical engineering field, the self-hardening property in the framework of the constitutive model needs to be expressed. In this study, the self-hardening property is assumed as increases of the frictional angle and the yield stress. Our model is formulated for the initial-boundary problems with finite element method. Triaxial tests and the self-weight consolidation test are simulated with soil/water coupled F. E. code.
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© 2012 公益社団法人 土木学会
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