How HS2 waste clay could be conjured into concrete to cut emissions
Engineers want to set up giant oven at HS2 boring sites to create calcined clay mix for use in foundations and platforms https://www.theguardian.com/uk-news/2023/oct/12/how-hs2-waste-clay-could-be-conjured-into-concrete-to-cut-emissionsHow HS2 waste clay could be conjured into concrete to cut emissions
Engineers want to set up giant oven at HS2 boring sites to create calcined clay mix for use in foundations and platforms https://www.theguardian.com/uk-news/2023/oct/12/how-hs2-waste-clay-could-be-conjured-into-concrete-to-cut-emissionsVirginia's Hampton Roads Bridge-Tunnel progresses with TBM assembly
...project to upgrade a motorway and build new tunnels between Hampton and Norfolk in Virginia, USA, has taken a step forward with the assembly of a giant tunnel boring machine (TBM)....New Zealand: Man working on $1.2b wasterwater tunnel trapped underground by steel pole
A man working underground on Auckland’s $1.2b giant wastewater pipe this morning was trapped by a steel pole. https://www.newstalkzb.co.nz/news/national/man-working-on-auckland-s-central-interceptor-stuck-underground/
cover tunnel photo by: Matt Brown from London, England / CC BY
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