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Experimental study on mechanical behaviors of pseudo-ductile cementitious composites under biaxial compression
Zhou J.2; Pan J.2; Leung C.K.Y.1; Li Z.1
2013-04-01
Source PublicationScience China Technological Sciences
ISSN16747321 1862281X
Volume56Issue:4Pages:963-969
AbstractExperimental investigation was conducted to characterize the responses of pseudo-ductile cementitious composites (PDCCs) when subjected to uniaxial and biaxial compression. The PDCCs is a class of fiber reinforced cementitious composites with ultra-high ductility by using a low volume fraction (2%) of polyvinyl alcohol (PVA) fiber. Two different strength grades of PDCC were examined with cubic specimen size of 100 mm in the tests. The specimens were loaded with a servo-hydraulic jack at different stress ratios. The principle stresses and strains of the specimens were recorded, and the failure modes with various stress states were examined. The test results indicated that the ultimate strength of PDCCs increased due to the lateral confinement in the other principal stress direction, and the maximum ultimate strength occurred at the biaxial stress ratio of 0.25, which was very different from common concrete material. For the PDCC specimens, the biaxial strength may be lower than the uniaxial strength when subjected to biaxial compression with the stress ratio of 1.0, and the failure mode showed a shear-type failure because of the bridging effect of fibers. Finally, a failure criterion was proposed for PDCCs under biaxial compression. © 2013 Science China Press and Springer-Verlag Berlin Heidelberg.
Keywordbiaxial strength failure criterion failure mode PDCC stress-strain curve
DOI10.1007/s11431-013-5174-9
URLView the original
Language英語
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Hong Kong University of Science and Technology
2.Southeast University
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GB/T 7714
Zhou J.,Pan J.,Leung C.K.Y.,et al. Experimental study on mechanical behaviors of pseudo-ductile cementitious composites under biaxial compression[J]. Science China Technological Sciences,2013,56(4):963-969.
APA Zhou J.,Pan J.,Leung C.K.Y.,&Li Z..(2013).Experimental study on mechanical behaviors of pseudo-ductile cementitious composites under biaxial compression.Science China Technological Sciences,56(4),963-969.
MLA Zhou J.,et al."Experimental study on mechanical behaviors of pseudo-ductile cementitious composites under biaxial compression".Science China Technological Sciences 56.4(2013):963-969.
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