Fig. 1. Conceptual diagram of CGS method
Fig. 2. Ideal schematic view of grout bulb growth for analytical solution
Fig. 3. Construction field plans and fence diagrams
Fig. 4. Cone penetration test result (cone resistance)
Fig. 5. Grout-bulb excavation and its size measurement
Fig. 6. Analytical solution of cavity expansion (Yu & Houlsby,1991)
Table 1. Comparison between CGS method and other methods
Table 2. Site investigation results (bridge-1 & 2, refer Fig. 3)
Table 3. Soil properties input in cavity expansion theory (Yu & Houlsby, 1991)
Table 4. Measured and calculated injection pressure with different dilation angle (3m)
References
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