Recently, the phrase “at last know why the tunnels are being crushed by the mountains” was set on fire online, and many people were laughing at the videos, and the tunnels were being pressed by the mountains for the rest of their lives, making it look like they were “strangling”, and many people thought it was just a coincidence in visual terms, even as an interesting story. In fact, the tunnel was built in the middle of the mountain, not just a random location, not what we thought was “pressed”, and behind it were practical engineering principles。
The mountain tunnels that we usually walk through directly from within the mountains, from the looks of them, as if the tunnels were held down by the mountains, were in fact the most scientific and safe way of building. The mountain itself forms a natural support structure that divides the weights and does not allow the tunnel to withstand pressure alone, and, together with arch-shaped tunnel designs, has a strong resistance to pressure, coupled with reinforced processes such as steel bars, concrete and the like, which can ensure maximum stability of the tunnel。
Tunneling not only shortens roads and saves more time while driving, but also maximizes the protection of vegetation on the mountain and does not damage the local ecosystem. That is why high speeds and high irons are now the preferred option to repair tunnels, not bypass roads or open mountains, whenever they encounter mountains。
It was felt that the tunnel, which was crushed by the mountain, was actually a visual illusion, and that the tunnel, which appeared to be “burdened”, was precisely the safest and most practical design. What seems to be interesting is the practical wisdom that lies behind it for the citizens to travel, and it makes us feel that every road around us is hidden in more than simple minds。
