For a safe and economical design of structures in jointed rock, a realistic consideration of the interaction between rock mass and structure is required. This requirement is neither fulfilled by the...

The support pressure of tunnel boring machines (TBM) determines the stability of the tunnel face during excavation. The calculation of the necessary support pressure in turn requires a fundamental...

Contract Value of around 98 Million EurosStockholm’s blue subway line is being extended from the centrally located Kungsträdgården to Nacka in the southeast of the Swedish capital as well as to...

Series 7 of ITA Tunnelling and Underground Space Awards is officially launched. Since 2015, the international competition seeks and rewards remarkable achievements within the tunnelling industry. Candidacies can be submitted until June 30th 2021.

The largest ever Robbins Crossover (XRE) TBM in China launched in late March 2021 in Guangzhou for contractors Sichuan Jinshi Heavy Equipment Leasing Co., Ltd and CREC Bureau 2. The 9.16 m diameter...

Following the success of the 1st PIARC International Conference on Tunnels held in Lyon, France, in October 2018, the World Road Association PIARC and the Spanish National Committee (ATC) will jointly...

MBCC Group, one of the leading suppliers of construction chemicals and solutions worldwide, and TPH Bausysteme GmbH signed a purchase agreement for the acquisition of TPH by MBCC Group in March 2021....

On 26 February 2021, DSI Underground SMART, a wholly owned subsidiary of DSI Underground completed the acquisition of the virtual reality training specialist Edvirt. Edvirt provides products and...

The world´s largest known resource of polyhalite minerals is located in northern England in the county of North Yorkshire, close to Whitby. To unearth the mineral, which is used in the production of...