The 14.25-kilometer Chongming-Taicang Yangtze River tunnel — featuring three vertical shafts and connects Shanghai's ...

For the James W. Fowler Co. of Dallas, Ore., using a vertical shaft machine made by Germany’s Herrenknecht for a 145-ft-deep, 30-ft-dia launching portal as part of a $32-million sewer upgrade project ...

King County is getting ready to use a shaft excavation machine that will be the first of its kind in North America. James W. Fowler Co., the general contractor, is using it to build a 30-foot-diameter ...

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City of east China's Jiangsu Province on Tuesday, for the ...

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into ...