Hey kiddo! So, have you ever gone treasure hunting or played Minecraft and had to dig through rocks? Rocks can be really strong and hard to break, right? Well, scientists study rocks and how strong they are so that they can figure out the best way to dig through them.
They use something called the Geological Strength Index, or GSI, to measure how hard it is to break or dig through a rock. Basically, GSI is like a number or score that tells you how difficult it will be to carve or drill through a certain rock.
Scientists look at different factors like the kind of rock it is, how compacted it is, and any cracks or fractures it might have. They use all of that information to come up with the GSI score.
So, when engineers are planning to build something like a tunnel or a building, they need to know the GSI of the rocks they will be digging through so that they can plan for the right tools and equipment to use.
Does that make sense, kiddo?