Technical Review of the Lined Rock Cavern Concept and Design ...

Technical Review of the Lined Rock Cavern (LRC) Concept and Design Methodology vii
List of Figures
Page
Figure 4-1 LRC Rigid-Cone Concept 8
Figure 4-2 Cone Angle versus Depth for Skallen Conditions 10
Figure 4-3 Conceptual View of the Log-Spiral Criterion 11
Figure 4-4 Sand Dilation Along Shear Zones in the Uplift Experiment
[after Mandl, 1988, pp. 71-75]
Figure 4-5 Conceptual View of the FLAC Soil-Anchor Model 13
Figure 4-6 Experimental Results of Soil-Anchor Pullout [after Vesi ,
1971] and Results of the FLAC Soil-Anchor Model
Figure 4-7 Results of the FLAC Soil-Anchor Model for Ko = 3 and
Dilation Angle = 0°
Figure 4-8 Results of the FLAC Soil-Anchor Model for Ko = 1 and
Dilation Angle = 0°
Figure 4-9 Conceptual FLAC Model for Evaluation of Ground Uplift 17
Figure 4-10 Cf -n versus Vertical Displacement of the Cavern Roof and
Ground Surface Indicating an Uplift Factor-Of-Safety of 9
Figure 4-11 Conceptual FLAC Model of a Horizontal Section Through
the Mid-Height of the LRC
Figure 4-12 Predicted Rock-Mass Failure, Radial Wall Displacement,
and Steel-Liner Strain for Isotropic In-Situ Stress Conditions
of 4 MPa
Figure 4-13 Predicted Rock-Mass Failure, Radial Wall Displacement,
and Steel-Liner Strain for Anisotropic In-Situ Stress Conditions
of 4 MPa and 8 MPa
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