Coupling Ratio, Fully Coupled Charges & Their Effects | DGMS Blasting Notes 🔹 1. Introduction Coupling plays a crucial role in determining how effectively explosive energy is transferred into the surrounding rock. A charge is fully coupled when the explosive diameter equals the borehole diameter. C...

Decoupling in Blasting – Definition, Mechanism & Applications | DGMS Blasting Notes 🔹 1. Introduction Decoupling is an important concept in controlled blasting, especially in underground coal mines, metal mines, and rock excavation where excessive damage must be avoided. It involves placing an expl...