• Continuous solution mining reduces plastic deformation zones to 3.4% of cavern volume, significantly improving stability compared to layered mining.
• The continuous method achieves volumetric shrinkage below 17%, ensuring long-term cavern integrity.
• Continuous solution mining produces caverns 2.43 times larger, reducing unit volume costs to 41.1% of layered mining.
• The continuous approach enhances resource recovery and offers superior economic viability for low-grade bedded salt deposits.