Underground shelters made of soil concrete: reliable, inexpensive, quick to build
The winners of the innovative projects competition held as part of the Sikorsky Challenge 2025 festival, which recently took place at KPI, have been announced. They will receive funding to implement their ideas. This is the fourth festival held during the war, so its priorities included a defense forum and projects aimed at protecting the civilian population and critical infrastructure. The authors describe one of the developments that addresses an urgent need: the construction of shelters.
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