Synthesis - summary -complete formula

·        Soil classification

·        RQD

·        RMR

·        UCS test

·        SURFACE - EXCAVATION. LOADING AND CASTING UNITS

·        Excavation methods

·        Underground mining Methods

·        Shaft location

·        Wast support method

·        Production (m3)

·        Cycle time

·        Principal Stresses

·        Mohr's circle of stress Derivation

·        Estimating horizontal in situ stress
Vertical compression- assumptions

·        Stress magnitude and rock cracking around excavations

·        Principal stress directions

·        Initia σ  and their measurements-Hydraulic fracturing

And more….

 

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