Journal
JOURNAL OF MATERIALS SCIENCE
Volume 42, Issue 11, Pages 3914-3922Publisher
SPRINGER
DOI: 10.1007/s10853-006-0403-2
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It is of great interest for economical and security reasons to understand the compressive properties of underground cemented paste backfill. In this paper, the stress-strain behaviours of cemented paste backfill (CPB) subjected to uniaxial compression and conventional triaxial tests are presented and discussed. The effect of CPB basic components, strength, ageing and confining pressure on the deformation behaviour of CPB are evaluated and discussed. The results show that the stress-strain behaviour of CPB is strongly influenced by the confinement, the age and strength of CPB, and its components. The increase in confining pressure leads to a change in the mode of failure, in the stiffness, and an increase in the strength.
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