4 ms·
Your calculations are wrong, since the strength of the rock is more like granite or concrete.
by belter 1y ago
Your calculations are wrong, since the strength of the rock is more like granite or concrete.
- StochasticLi 1y agoThis is not what I was claiming. I was talking about soil. Concrete, I believe they claimed 18 meters. Obviously, different ground types will be more complex/easier to penetrate.