1-D compressibility of stabilized clays in an instrumental oedometer
Specimens of stabilized clays were studied in an instrumented oedometer, designed and fabricated in-house at the University of Sheffield. One, artificial clay (i.e. kaolin) and two natural clays (i.e. Malaysian and Swedish soft clays) were stabilized with various quantities of stabilizers and cured...
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| Format: | Conference or Workshop Item |
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2007
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| Subjek-subjek: | |
| Capaian Atas Talian: | http://eprints.uthm.edu.my/1842/ http://eprints.uthm.edu.my/1842/1/1D_COMPRESSIBILITY_OF_STABILIZED_CLAYS_CHEE_MING_CHAN_2007.pdf |
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| Ringkasan: | Specimens of stabilized clays were studied in an instrumented oedometer, designed and fabricated
in-house at the University of Sheffield. One, artificial clay (i.e. kaolin) and two natural
clays (i.e. Malaysian and Swedish soft clays) were stabilized with various quantities of
stabilizers and cured for different periods prior to tests. The stabilizers used were either pure
ordinary Portland cement (OPC) or lime-cement at 1:1 ratio. The newly developed instrumented
oedometer simultaneously measures settlement, lateral stress and shear wave velocity
of the stabilized clay specimens. The oedometer was essentially a thin-walled floating ring
type, measuring 100 mm in diameter and 90 mm in height. Strain gauges were affixed to the
outer wall of the ring to measure radial displacement, and hence lateral stress during tests.
The top cap and base were both installed with bender element probes for shear wave velocity
measurements. The 1-D compressibility characteristics of the stabilized materials were examined
together with shear wave velocity measurements. Finally, relevant correlations between
the different parameters measured were established. |
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