Low Strain Dynamic Properties of Artificially Cemented Sand
Publication: Journal of Geotechnical Engineering
Volume 112, Issue 11
Abstract
Torsional resonant column tests are conducted to study the effect of artificial cementation on low strain dynamic properties of Monterey No. 0 sand. Artificially cemented specimens are prepared using 1, 2, and 4% Portland cement by weight. Specimens were tested after 14 days of curing. It is determined that maximum shear modulus increased and damping ratio decreased with an increase in the degree of cementation. The maximum dynamic shear moduli increased due to corresponding increases in stiffness coefficients. The stiffness ratio defined as the stiffness of cemented to uncemented specimens varied with the degree of cementation and density. Dense specimens rendered higher stiffness ratios. The stiffness ratio was correlated to unconfined compressive strength and the cohesion intercept from CIU tests. Degradation of modulus ratio with strain ratio depended upon both the degree of cementation and density. Decay of modulus was more predominant in stiffer specimens. Cementation led to a decrease in damping ratio at all levels of strain.
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Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 112 • Issue 11 • November 1986
Pages: 1001 - 1015
Copyright
Copyright © 1986 ASCE.
History
Published online: Nov 1, 1986
Published in print: Nov 1986
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