<p>The paper presents numerical analysis of two similar tunnels constructed using Sprayed Concrete Lined (SCL) technology. The structure of interest is a part of the Fovam Square station of the 4th metro line in Budapest. At present that structure is finished. ...

There are several different driving forces behind the development of today’s modern robotic equipment. A need for efficiency, safety and economy. Most robotic units will help in this respect, by allowing substantially higher shotcrete output and even set-up ...