Engineering & Automation
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Inside the 14,000-Tonne Ring-Rail Crane: How Ultra-Heavy Lifting Is Changing Nuclear Construction
A technical look at the 14,000-tonne ring-rail crane developed in Xuzhou, covering ring-rail lifting principles, nuclear module logistics, and buyer evaluation factors.
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Robotic Cutter Changing for TBMs: Automating Disc Replacement in Large-Diameter Tunneling
How a robotic cutter-changing system for large-diameter TBMs automates disc cutter replacement, reduces chamber entry, and changes maintenance planning for tunneling projects.
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Mixed-Face Tunnelling in Clay, Silt and Sand-Gravel: Engineering Lessons from a 12.49 m EPB TBM
How mixed-face ground of clay, silty clay and sand-gravel shapes EPB TBM design, conditioning, wear protection and operating strategy on a 12.49 m machine.
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Engineering Challenges of Exporting a Micro TBM to Sri Lanka: Hard Rock and Tight Curves
Analyzing the technical challenges of exporting a Chinese micro TBM to Sri Lanka, including 150 MPa hard rock and an 80-metre curve radius, and the design adaptations required.
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China's First TBM Export to Sri Lanka: Engineering a Micro Shield for Hard Rock and Tight Curves
China's first TBM export to Sri Lanka is a 3.7 m EPB machine built for 150 MPa gneiss and an 80 m curve radius. A look at the design and selection factors.