Two giant machines are carrying out the most challenging part of the Metro West rail project, carefully worming their way under Sydney Harbour.
Carving out Sydney’s second under-harbour rail crossing, two giant boring machines are performing intricate work despite their size, as one passes within five metres of the Anzac Bridge’s foundations., while another called Ruby is now starting her march eastwards from a massive hole dug for a station at the
Powrie said the harbour crossing was the biggest technical challenge for the Metro West project because of the Anzac Bridge and the shallow rock. In the walls of the giant station box, steel anchors as long as 70 metres have been rammed into the sandstone to act as stabilisers because of the ground conditions.
Known as mixed-shield slurry machines, Jesse and Ruby are specifically designed to excavate in highly pressurised conditions under the harbour, and are different to the four other tunnel borers which have been carving out
Australia Latest News, Australia Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Two charged, two sought over alleged Sydney stabbing murderPolice claim a man was chased down by a group and fatally stabbed in Sydney&x27;s west in July.
Read more »
David Jones: Two in, two out – the Anchorage-backed retailer reshuffles debt stackSources said the $190 million loan has been structured as an asset-backed lending facility that would see Soul Patts and Hilco exit David Jones’ debt stack.
Read more »
‘A massive day’: Kiwis confirm support for Anzac Day Bledisloe clashNew Zealand Rugby boss Mark Robinson said an annual Test on Anzac Day between the All Blacks and the Wallabies would create “a real tradition”.
Read more »
‘A massive day’: Kiwis confirm support for Anzac Day Bledisloe clashNew Zealand Rugby boss Mark Robinson said an annual Test on Anzac Day between the All Blacks and the Wallabies would create “a real tradition”.
Read more »
Tasmanian government scraps plans to widen the Tasman Bridge pathways citing costTwo years ago, the Tasmanian government released concept designs for wider pathways for pedestrians and cyclists on the Tasman Bridge. Now, the government says it cannot be done without spending significantly more money than it budgeted.
Read more »
Elderly man and woman killed in multi-vehicle crash on busy bridgeAn elderly man and woman have been killed after a multi-vehicle crash in Tasmania on Friday afternoon.
Read more »