Rock blasting is a controlled excavation technique used in mining, construction, and civil engineering to break up and remove rock masses. Here’s a basic explanation:
The process typically involves:
1. Drilling holes in the rock according to an engineered pattern
2. Loading the holes with explosives (usually commercial-grade materials like ANFO or dynamite)
3. Installing detonators and connecting them in a precise sequence
4. Clearing the area and providing warnings
5. Detonating the explosives in a controlled manner
6. Removing the broken rock (known as muck)
This technique is used for:
– Creating road cuts through mountains
– Mining operations
– Foundation excavation
– Quarrying building materials
– Creating tunnels
– Pipeline installation
Important safety considerations include:
– Only licensed professionals can legally perform blasting
– Strict regulations govern explosive handling and storage
– Careful planning to control flyrock and vibration
– Environmental impact assessment
– Protection of nearby structures
– Dust and noise control measures
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