A partial collapse in LA’s Clearwater Tunnel trapped 31 workers nearly 450 ft. underground; all were rescued safely.

Most of the work by the 11,200 construction workers, who have faced sweltering heat and freezing cold, has been out of the public view.

The tunnel has been built using the proven technology of EPBM (Earth Pressure Balancing Method) with a concrete lining made of precast tunnel rings.

The Delhi Metro Rail Corporation (DMRC) completed the construction of an underground tunnel between Kishangarh and Vasant Kunj Station on the Tughlaqabad-Aerocity corridor on Wednesday, a key aspect ...

The precast concrete segments used in the tunnel lining were manufactured at a mechanised casting yard in Mundka and steam-cured for early strength. DMRC said ground movement was carefully monitored ...

The Israeli army says it has recovered the body of Hamas military chief Mohammed Sinwar from an underground tunnel beneath a hospital in southern Gaza, following a targeted operation in May.

The precast concrete segments used in the tunnel lining were manufactured at a mechanised casting yard in Mundka and steam-cured for early strength. DMRC said ground movement was carefully monitored ...

Inside what is slated to be India’s longest transportation tunnel in Uttarakhand’s Devprayag, the 14.57-km Janasu twin tunnel, also known as tunnel no 8 (T-8), the race is against both time and the ...

Di Carlo et al. (2016) presents a procedure for the design of precast tunnel segments for mechanical excavated tunnel lining in fibre reinforced concrete, without any traditional steel reinforcement.

It has been constructed using Earth Pressure Balancing Method (EPBM) with a concrete lining made of precast tunnel rings, manufactured at a mechanised casting yard in Mundka.