France/Saudi Arabia

Acimex supplies Vacuum Technology for Riyadh Metro

The French company Acimex, specialized in vacuum handling technology, announced its supply of a segment erector system as well as a segment trolley to the EPB TBM made by the French manufacturer NFM Technologies in Lyon. The TBM’s task will be the excavation and lining of six subterranean kilometers for line 3 of the new Riyadh metro. The scope of supply by Acimex includes a vacuum segment erector of 3.6 tons and a segment trolley of 4 tons that will manage the feeding and precise positioning of concrete segments inside the TBM with a diameter of 10.16 m.

The vacuum trolley supplied by Acimex...

Related articles:

CBE Group

CBE Group designs, manufactures and assembles segment moulds for concrete tunnels, handling equipment and segment precast plants worldwide.The range of services includes pre-project engineering,...

more
France

Second Metro Line in Rennes: Excavation will be finished in 2017

The second Metro Line (Metro Line B) in the French city of Rennes with 15 stations will be 13 km long. 8.1 km of this total will be driven mechanically and 2.4 km by cut-and-cover. The remaining parts...

more
France

Siemens extends first driverless Metro Line in Paris

Siemens has received an order from the Paris transit authority RATP (Régie Autonome des Transports Parisiens) to supply the train control equipment and operational control system for the extension of...

more
United Arab Emirates

21–26 April 2018: World Tunnel Congress in Dubai

The population of the GCC (Gulf Cooperation Council) countries is growing fast: By 2020 its population is forecast to increase by one third, to 53 million people. Accordingly, the demand for better...

more

Influences on Segment Damage

1 Introduction Segments represent the bearing structure for the finished product in mechanised tunnelling. This fact results in high demands both on manufacturing as well as on transporting and...

more