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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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