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China: World first rectangular pipe jacking TBM (built by CREG) for hard rock breaks through
Developed and manufactured by China Railway Engineering Equipment Group (CREG), the TBM, known as CREC 1112, has an excavation section 10.42m wide and 7.57m high.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.newcivilengineer.com/latest/world-first-rectangular-pipe-jacking-tbm-for-hard-rock-breaks-through-on-china-road-project-20-05-2024/
World first rectangular pipe jacking TBM for hard rock breaks through in China | New Civil Engineer
www.newcivilengineer.comDeveloped and manufactured by China Railway Engineering Equipment Group (Creg), the TBM, known as CREC 1112, has an excavation section 10.42m wide and