All robbins main beam tbm Articles

Robbins main beam breaks through Ohio River Tunnel
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Refurbished TBM surmounts rock fallout and methane gas challenges below US site
Tunnelling: Today’s TBMs do it all
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Projects involving variable ground types benefit from machines designed to accommodate
Largest hard rock TBM built for US
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The Robbins Company’s tunnel boring machine ‘Big Tex’ can become ‘Little Tex’ partway through tunnelling