Reply on topic: Trelleborg to supply seals for Chinese immersed tunnel project
https://www.trelleborg.com/media/products-and-solutions-news/trelleborg-designs-bespoke-seal-to-help-speed-up-construction-of-immersed-tunnel-in-dalian-chinaHerrenknecht Double Shield Tunnel Boring Machine - Advantages, Principles
A technology brief. https://www.herrenknecht.com/en/products/productdetail/double-shield-tbm/Norwegian company Oldroyd produces tunnel membranes from sea and other recycled plastics
...stomer Oldroyd uses 100% sea plastics for its products (Munich, January...1600 kN. So-called spacers, curved products with grid structure, which cr...quired in order to be able to produce plastic products competitively in Europe. All...China is upping its provocation by building new infrastructure in eastern Ladakh
Anybody still using China-made products must read this: "a clear sign China has no plans to withdraw from the areas of India from which it took control in 2020" https://www.voanews.com/a/himalayan-bridge-project-sparks-fresh-china-india-tension/6392630.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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