All articles by Blatha
Blatha
Fixings in Tunnels: Safety and maintenance considerations
In the last few years, the construction industry has been increasingly faced with a demand for expertise in the design…
Corridor Connections
How many years from now could a person living in Washington, D.C., see a play or have dinner in New…
Tunnel construction impacts on utility pipelines
Synopsis An important consideration when planning and carrying out tunnelling works in urban areas is the impact that those works…
A peach of a pit
Atlanta’s water supply program isn’t just a massive effort towards long-term water storage for the sprawling city’s 1.2 million customers.…
Recognising the bentonite machine
“There can be no doubt that a major revolution in the worldwide tunnelling industry was triggered by John Bartlett’s invention…
Underground electrification
E electrification is the future, if underground machinery is to operate with zero emissions and without noise and vibrations. The…
Flood control
A stormwater diversion tunnel is nearly ready to face the rainy season in Genoa, Italy. After a disastrous flood in…
Tube banks on overhead crane
London’s underground railway is the world’s oldest. Developed out of a series of private railway lines, it for decades lacked…
Sequential excavation method tunnelling
SEM and NATM Unofficially and somewhat inaccurately, SEM is also known as the New Austrian Tunnelling Method (NATM). Many tunnelling…