Long-Term Consolidation Settlement Prediction of D-Runway in Tokyo International Airport

Abstract

In the construction of the D-runway in Tokyo International Airport (Haneda Airport), "the settlement prediction and management system (HSAP)" which can efficiently evaluate the consolidation settlement of artificial reclamation was developed. The reclamation history data base which reflected the actual construction until July, 2009 and the reclamation plan after that was made. The actual measurement and the calculation value were compared and the various consolidation parameters were identified. Moreover, the long-term consolidation test and constant strain rate consolidation test were executed, and the secondary consolidation parameter was set based on the isotache model's concept. Based on the prediction result of the residual consolidation settlement, the filling height of the D-runway at the start of in-service period was decided to be 0.70m, which is required from the aviation operation.

Site-Investigation and Geotechnical Design of D-Runway Construction in Tokyo Haneda Airport

“…To accurately predict the long-term settlement during an in-service period of 100 years, a consolidation settlement prediction system was developed (Mizuno et al, 2010). This system consists of a stress history database (the progress of construction), a geotechnical condition database (the geological cross-section and soil parameters), and an FEM analysis solver.…”