Compared with the drill and blast method, TBM tunnelling has significant advantages with high construction efficiency, low project cost, conducive to environmental protection, favorable stability contr.
[pdf] “Blue Whale 1,” the world’s largest and most advanced ultra-deep-water semi-submersible drilling rig was built by Yantai CIMC Raffles Offshore Limited in east China's Shandong Province. The 42000-ton oil platform has cost $700 mil. more
[pdf] Geotechnical drill rigs are specialized equipment for the rigorous demands of construction and geological projects. These rigs play a key role in geotechnical investigation, providing the capability to assess ground conditions.
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