NDLI: Experimental creep tests and prediction of long-term creep behavior of grouting material

Content Provider	Springer Nature Link
Author	Nadimi, Siavash Shahriar, Koroush
Copyright Year	2013
Abstract	Rock reinforcement systems, such as resin-grouted rock bolts, display complex creep behavior because both grouting materials and bolts show time-dependent behavior. In this paper, only the time-dependent behavior of grouting material was investigated, in which creep tests of grouting material was conducted in triaxial compression apparatus at room temperature. The test specimens were provided from the Araldite epoxy resin used in rock reinforcement. We attempt to predict long-term creep parameter using triaxial creep tests and to define time-dependent characteristics of the bounding material. In short-term creep tests, three different axial and confining stress levels were applied in steps to each specimen. The transient creep for all the stress levels were described by power function which fit properly to time–strain curves. The maximum difference between the proposed model and experimental long-term creep strain was less than 7.1 %. It was observed that the creep rate of a grouting material specimen directly depends on the deviator of stress (i.e., σ$_{1}$–σ$_{3}$).
Starting Page	3251
Ending Page	3257
Page Count	7
File Format	PDF
ISSN	18667511
Journal	Arabian Journal of Geosciences
Volume Number	7
Issue Number	8
e-ISSN	18667538
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-04-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Reinforcement system Triaxial Araldite epoxy Power function Creep Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Environmental Science

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