併構岩體積比與力學性質之不確定性;Uncertainty of Block Volumetric Proportions and Mechanical Properties of Bimrocks

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题名:	併構岩體積比與力學性質之不確定性;Uncertainty of Block Volumetric Proportions and Mechanical Properties of Bimrocks
作者:	田永銘
贡献者:	國立中央大學土木工程學系
关键词:	土木水利工程
日期:	2012-12-01
上传时间:	2014-03-17 11:19:09 (UTC+8)
出版者:	行政院國家科學委員會
摘要:	研究期間：10108~10207;Block-in-matrix rocks (bimrocks are defined as “a mixture of rocks, composed of geotechnically significant blocks within a bonded matrix of finer texture”. By this definition bimrocks encompass a wide range of geologic materials including melanges, fault breccia, landslide debris. Because of their heterogeneity, anisotropy and complex nature, bimrocks are difficult geotechnical material with which to deal in geotechnical engineering. The engineering properties of bimrocks are much scatter than other geometerials due to block and matrix with large spatial variability. The scope of this project is to investigate the variations/uncertainties of block proportion and mechanical properties of bimrocks. In this project, 3-D representative volume element (RVE) and PFC3D are adapted to generate the visual bimrocks. Monte Carol approach will be employed to simulate the procedures of sampling and measurement of block proportion. In addition, a series of visual triaxial tests for bimrocks will be conducted by PFC3D to evaluate the size effect on the variation of mechanical properties of bimrocks.
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
显示于类别:	[土木工程學系 ] 研究計畫

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