Estimation of Spatial Distribution for Ground Improvement Effects in Sand Compaction Pile Method Using Construction Data and Mode Decomposition

Key Points

• The study aims to estimate ground improvement effects during construction using available data.
• Focused on sand compaction pile method with consideration of installation order.
• Proposed estimation method analyzes spatial distribution characteristics.
• Performance validated using cross-validation with real construction data.
• The method effectively estimates soil characteristics with real-time data application.
• Confirmed the validity and practicality of the proposed approach during construction.