How To Use Crushed rock In A Sentence

Then something strange happened: The loess in the terraces wasn’t on top of crushed rock anymore — it was on top of very finely laminated clay-rich sediments.
When my young sons were exploring the streets of Brooklyn, I couldn’t help but wonder how good crushed rock or dried dog droppings could taste when delicious mashed potatoes were routinely rejected.
There was asphalt cracking due to tensile strain resulting from plastic deformation within the crushed rock.
There was asphalt cracking due to tensile strain resulting from plastic deformation within the crushed rock.
The material used is a mixture of cement, sharp sand and crushed rock or pebbles.

When they mixed small amounts of carbon nanotubes and epoxies (glue-like materials) with crushed rock that has the same composition and grain size as lunar dust, they discovered to their surprise that they had created a very strong material with the consistency of concrete. Why the Moon? Here's Why. - NASA Watch
Effects of shrinkage-reducing agent on the shrinkage and mechanical properties of cement-stabilized crushed rock base are analyzed through an experimental study by adding the agent to the base.
Increases in axle loads and tyre pressures are creating plastic strain in some crushed rocks with sprayed seal and thin asphalt surfacings.
The next day we lurched out of the last depressed mining town, past mountains of slag dug into hideous goblin-warrens by workers who rinse tin ore from crushed rock for as little as one boliviano a day.
There was asphalt cracking due to tensile strain resulting from plastic deformation within the crushed rock.