Y ear: Technology: 2004 - 2005 Micropiles Canadian Pacific Railway’s Nipigon River Bridge, located 125 km east of Thunder Bay on one of Canada’s principal east-west rail corridors, is a 24-metre high structure built in the late 19th century and founded on timber piles. With the continued reliability of the original foundations in question, CPR tendered a contract in 2004 that included construction of 100 micropiles to permanently support t

Join for free to read