A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Effect of Flyash on Post-Cyclic Behavior of Sand
This study focused on investigating the effect of FA addition on the post-cyclic behavior of sand by performing a series of undrained post-cyclic monotonic triaxial compression tests. The effect of four FA contents (i.e., 0, 2, 4, and 6% by dry weight), three pre-consolidation relative densities (i.e., 20, 40, and 60%), and three initial mean effective stresses (i.e., 50, 70, and 90 kPa) were investigated. To conduct the post-cyclic tests, initially the cyclic loadings were applied until desired pore water pressure ratio (ru) values, and then the post-cyclic test was initiated. Also, a series of undrained monotonic triaxial tests were conducted to investigate the effect of zero pore water pressure ratio (ru = 0). The results showed that increasing the FA content is effective to increase the ultimate deviatoric strength (qu) of the sand. Also, investigations showed that the FA-treated specimens have a greater qu value at a higher relative density and lower initial mean effective stress.
Effect of Flyash on Post-Cyclic Behavior of Sand
This study focused on investigating the effect of FA addition on the post-cyclic behavior of sand by performing a series of undrained post-cyclic monotonic triaxial compression tests. The effect of four FA contents (i.e., 0, 2, 4, and 6% by dry weight), three pre-consolidation relative densities (i.e., 20, 40, and 60%), and three initial mean effective stresses (i.e., 50, 70, and 90 kPa) were investigated. To conduct the post-cyclic tests, initially the cyclic loadings were applied until desired pore water pressure ratio (ru) values, and then the post-cyclic test was initiated. Also, a series of undrained monotonic triaxial tests were conducted to investigate the effect of zero pore water pressure ratio (ru = 0). The results showed that increasing the FA content is effective to increase the ultimate deviatoric strength (qu) of the sand. Also, investigations showed that the FA-treated specimens have a greater qu value at a higher relative density and lower initial mean effective stress.
Effect of Flyash on Post-Cyclic Behavior of Sand
Keramatikerman, Mahdi (author) / Chegenizadeh, Amin (author) / Nikraz, Hamid (author)
Journal of Earthquake Engineering ; 24 ; 2033-2045
2020-12-01
13 pages
Article (Journal)
Electronic Resource
Unknown
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