About me: I am working for AECOM as National Tunnelling Lead for Canada. I have 30 years experience in different type of tunnelling...tunnelling, Drilling and Blasting, trenchless Technology, Pipe Reinforcing and Box Jacking. Experien...
About me: Currently working as civil engineer in Istanbul New Airport Metro Line project where in total 10 TBMs are in action for excavating 68 km long tunnels.
About me: Calvin Barrows is a Chartered Engineer, latterly retired.
During his earlier, varied career his work focused on forensic engineering, to establish the mechanisms of structural an...