The first tunnel was built on a new section of the Lublin-Dmitrov line of the Moscow metro
...ning policy and construction Andrei Bochkarev announced tunnel construction between the Seli...5km) on the Lyublinsko-Dmitrovskaya line completed. Tunnel runs at a depth of 15-20 meters in solid and semi-solid rocks, loams and sands. https://...Constructing the replacement for the UNESCO site Albula Tunnel continues
...t Switzerland's Albula Tunnel is an important engineering m...century. The 5,864 metre-long tunnel at 1800 metre elevation in th...ge Site. The 110 years-old tunnel shows its age in recent years with falling rocks and the difficulty with keepin...Tunnelling under Waitematā Harbour in Auckland may release cancer-causing erionite
...e similar cases in other parts of the world? Tunnel workers will probably be the...rse than asbestos", being released from rocks during tunnelling works. Auckland Mayor...-mineral-erionite-could-complicate-waitemata-tunnelAn auxiliary tunnel of Colombia's La Linea Tunnel collapses during construction. No injuries
...ter the premature inauguration of the La Linea Tunnel, there has been a partial collapse with rocks falling during the construction of an auxiliary tunnel. According to INVÍA...y noone injured. The 8,65km La Línea tunnel is the longest road tunnel i...
cover tunnel photo by: Matt Brown from London, England / CC BY
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