Blasting and mechanical rock excavation are the two primary methods used in bedrock construction, and choosing between them shapes the entire project. Blasting uses controlled explosives to fragment rock rapidly over large volumes, while mechanical excavation relies on equipment such as hydraulic hammers or roadheaders to break rock without explosives. The right choice depends on geology, location, project scale, and environmental constraints. Blasting involves drilling holes into rock, loading them with explosives, and detonating them in a controlled sequence to break and displace large volumes of material efficiently. Mechanical rock excavation uses machinery, such as hydraulic hammers, rock-cutting machines, or…