Integrating Surface Geological Mapping and Multi-Year Subsurface Data to Identify Lateral Lithological Variations Along the Jatinegara Diversion Tunnel, Central Java, Indonesia
Tunnel design in tropical regions requires careful attention to subsurface variability due to intense weathering and complex lithology. The ongoing design of the Jatinegara Diversion Tunnel, with a diameter of 6 meters and a length of 439 meters, relies solely on the 2024 borehole data without considering the recent 20...