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:: Volume 18, Issue 58 (No.3&4-صفحات انگلیسی از 13 تا 73 2004) ::
Materials & Energy 2004, 18(58): 13-22 Back to browse issues page
Evaluation of Mechanical Behaviour of Sandstone and Andesibasalt Rockfill Materials Using Triaxial & Direct Shear Tests
Abstract:   (2345 Views)
The mechanical behaviour of rockfill materials and aggregates depends not only on particle size and compaction, but also on their strength and lithological properties. In this research two types of large triaxial and direct shear tests are performed on rockfill materials. This Paper compares the stress-strain behaviour of sandstone and andesibasalt materials in triaxial compression tests (300600mm) and direct shear tests (300300mm). The study evaluates Two kinds of aggregates with different lithological properties and the result reveald that how the same particle sizes aggregates behaved differently due to different lithology and test procedures. This research showed that shear strength of hard and strong rockfill mass (andesibasalt) is more and the deformability is less, compared to weak rockfill materials (sandstone), and this variation increases with increasing confining stress and surcharge
Keywords: Rockfills dam. Deformation, shear strength, direct shear, Triaxial
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Evaluation of Mechanical Behaviour of Sandstone and Andesibasalt Rockfill Materials Using Triaxial & Direct Shear Tests. Materials & Energy. 2004; 18 (58) :13-22
URL: http://jsci.khu.ac.ir/article-1-1133-en.html


Volume 18, Issue 58 (No.3&4-صفحات انگلیسی از 13 تا 73 2004) Back to browse issues page
نشریه علوم دانشگاه خوارزمی Quarterly Journal of Science  Kharazmi University