A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Models for Jointed Rock Structures
This paper presents two new developments and refinements in the modeling of rock structures: a new model for axisymmetric interfaces such as found in shaft and footing designs, for example, and a new model for the dilatant effects of rock joints, such as encountered in underground caverns and reinforced rock slopes. The new models were incorporated into a finite element program, and test-case analyses were performed. The results indicate that the use of the new model can lead to safer estimates of footing settlements and shaft lining stresses, as well as to more economical design of rock reinforcement. We also note that, because the new dilatant joint provides a refined estimate of joint opening and closing, it can be applied as well to the analysis of hard rock hydraulics, in which the flow is very sensitive to fracture aperture. (ERA citation 06:016238)
Models for Jointed Rock Structures
This paper presents two new developments and refinements in the modeling of rock structures: a new model for axisymmetric interfaces such as found in shaft and footing designs, for example, and a new model for the dilatant effects of rock joints, such as encountered in underground caverns and reinforced rock slopes. The new models were incorporated into a finite element program, and test-case analyses were performed. The results indicate that the use of the new model can lead to safer estimates of footing settlements and shaft lining stresses, as well as to more economical design of rock reinforcement. We also note that, because the new dilatant joint provides a refined estimate of joint opening and closing, it can be applied as well to the analysis of hard rock hydraulics, in which the flow is very sensitive to fracture aperture. (ERA citation 06:016238)
Models for Jointed Rock Structures
F. E. Heuze (author) / T. G. Barbour (author)
1981
16 pages
Report
No indication
English
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