Richard James Robbins (1933 - 2019)
(Born: 1933 - Died: 30 May 2019...nel excavation.Those include such fundemental technologies as large diameter disccutters and Double Shield TBM as well...
WARNING UNDER CONSTRUCTION.
Bichak Cutters ("knives" or "scrapers") are cutters used for boring in soft to me...uot;Scrapers" for Bichak Cutters. They come in different desig...do the active digging, bichak cutters also have hardfacing welding...
Why choose Mechanized Tunnelling over Mechanized Tunnelling? Or vice vers...e techniques to deal with changing conditions, e.g. you can change the type of cutters mounted on the cutter head of...