In order to excavating the twin tunnels between the M25 and South Heath in Buckinghamshire and creating the longest tunnels on the new high-speed rail line, the two Florence and Cecilia Herrenknecht machines with 10.2m diameter, were commissioned 18 months ago and currently these TBMs have passed the halfway point on their 16km journey beneath […]
PORR and Gülermak Joint Venture contractor has finished boring the central 1.5km length of the 3.2km long, two-lane bi-directional tunnel on the Świnoujście Road Link in Poland after the breakthrough of its 13.46m diameter China Railway Engineering Equipment Group Co. Ltd. (CREG) slurry TBM ‘Islander’. As reported, for excavating through the ground conditions of fine […]
The 19th of January 2023, is the determined date for commencing the British Tunnelling Society (BTS) 2023 evening lectures with a presentation on HS2. Presenting some updates on two tunneling projects across HS2 Area North – the Long Itchington Wood Tunnel and the Bromford Tunnel will be up to Balfour Beatty Vinci (BBV) sublot project […]
The Khlong Prem Prachakorn Drainage Tunnel Project will host two new TERRATEC TBMs for the Department of Drainage and Sewage Bangkok Metropolitan Administration (BMA) in Thailand. Following its successful Factory Acceptance Test in November 2022, the new TERRATEC Earth Pressure Balance Tunnel Boring Machine (EPBM) with 6.49m diameter was destined for the Khlong Prem Prachakorn […]
The first of the two TBMs for the H41 “Sill Gorge-Pfons” construction lot of the Brenner Base Tunnel (BBT) has formally passed its acceptance test at Herrenknecht AG in Schwanau, Germany. The single-shield tunnel boring machine which has a drilling head diameter of 10.37 meters, a length of about 160 meters and a weight of […]
Recording a monthly rate of over than 1000 meters for the construction of the San Gawang Hydropower Project in Peru, CRCHI exported the first hard rock TBM to South America on December 6. As a part of the project for the Belt and Road Initiative in South America, the San Gawang Hydropower Station in Peru […]