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This session examines the engineering challenge of managing deep excavation in a constrained urban site, where strict deformation control, soft ground conditions, nearby existing structures, and high groundwater level must all be considered within a realistic construction sequence. We present a 3D deep excavation case study for a major development in Jakarta, Indonesia, highlighting the island method, its comparison with the strut method, and the foundation modeling approach used to evaluate secant pile behavior and staged construction under SNI 8640:2017. Participants will gain practical insight into how MIDAS GTS NX supports safe and realistic deep excavation analysis for complex basement and foundation projects.
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Description (수정)
- The choice of seismic analysis method can significantly influence the design and assessment of Air Traffic Control Towers.
- This video explains why Nonlinear Time-History Analysis (NTHA) and Performance-Based Seismic Design (PBSD) are important when conventional linear analysis may not fully capture critical seismic behavior.
- Key topics include higher-mode effects, upper-level drift demands, and force redistribution between reinforced concrete cores and steel moment-resisting frames.
- Recommended for engineers evaluating whether code-based linear analysis is sufficient, or whether a more advanced nonlinear and performance-based approach should be considered.
Key Points (수정)
Linear Analysis VS Non-linear Time History Analaysis
Higher-Mode Effects and Drift Concentration at Upper Levels
Performance-Based Seismic Design for Critical Infrastructure
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