How do tunnels not collapse under the immense weight of the soil/mountains? 140 viewsJanuary 1, 2024 Question90.86K May 9, 2023 0 Comments I get that they’re layered with reinforced concrete but how is it that strong considering the walls aren’t even that thick? In: 21 6 Answers ActiveNewestOldest Anonymous Posted May 9, 2023 0 Comments The mountain holds up pretty much all of the mountain. The concrete just helps direct any pressure into the tunnel floor – so into the rest of the mountain. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login
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