The world's largest-diameter shield machine for constructing high-speed railway tunnels, independently developed by China, marked its 10,000-meter tunneling milestone under the Yangtze River on ...

Recent advancements in tunnel boring machine (TBM) performance and optimisation have significantly enhanced the efficiency, safety, and sustainability of underground construction projects. Integrating ...

CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the Chesapeake Bay Bridge-Tunnel Monday, the CBBT ...

The world’s largest-diameter shield tunneling machine passes the 10,000-meter mark, setting a major milestone in underground ...

HAMPTON, Va. (WAVY) — Mary, the tunnel boring machine for the new Hampton Roads Bridge-Tunnel expansion, completed the first new tunnel at the HRBT’s North Island Wednesday morning, a major milestone ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

The Santa Clara Valley Transportation Authority is all in on its plans to build a roughly five-mile long tunnel under downtown San Jose and Santa Clara for its Silicon Valley BART extension after ...

VIRGINIA BEACH, Va. — The huge boring tool affectionately known as 'Chessie is once again digging through the bottom of the Chesapeake Bay. "So think about a four-story building as long as a football ...

CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the Chesapeake Bay Bridge-Tunnel Monday, the CBBT ...

Sections of the German-made tunnel boring machines were shipped to ports in Elizabeth and Baltimore. They will reach North ...

NEW YORK (Reuters) - Caterpillar Inc , the world's largest maker of earth-moving equipment, on Wednesday said it had acquired Lovat, a maker of tunnel-boring machines. Caterpillar said Lovat would ...