Construction scene from the Yangtze River tunnel project, where engineers executed the precision TBM rescue.
Project Related

Yangtze River TBM Rescue

China has set a new benchmark in underground rescue operations with its remarkable recovery of a stalled 16‑m diameter tunnel boring machine (TBM) beneath the Yangtze River. During construction of the 6.4‑km Jiangyin–Jingjiang Yangtze River […]

AASHTO Materials Standards 45h Edition (2025)
Standards and Codes

AASHTO Releases 45th Edition of Materials Standards: What Geotechnical Engineers Need to Know

The American Association of State Highway and Transportation Officials (AASHTO) has released the 45th Edition of its Standard Specifications for Transportation Materials and Methods of Sampling and Testing, along with the latest AASHTO Provisional Standards, which are commonly referred to as […]