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DEVELOPMENT OF SEDIMENT INFILLED ROCK JOINT MODELS AND IMPLICATIONS ON ROCKMASS STABILITY (2001)
Soil-infilled discontinuities adversely influence the stability of rockmass, because, the infi ll materials especially when saturated, drastically reduce the shear strength. The angle of shearing resistance of a discontinuity decreases significantly for increasing infill thickness. This paper provides a critical analysis of selected soil-infilled joint models and the peak shear strengths were compared with experimental data. For the Interference zone, the modified shear displacement model better predicts the peak shear strength of the joint. For the Non-Interference zone all the models predict peak shear strength accurately.
Reference:
IACMAG 2011 – Melbourne, Australia, 9–11 May 2011
IACMAG 2011 – Melbourne, Australia, 9–11 May 2011
Organization:
Centre for Geomechanics and Railway Engineering, University of Wollongong, Wollongong, Australia
Centre for Geomechanics and Railway Engineering, University of Wollongong, Wollongong, Australia
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