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Quarry Blasting Lowering Fines

quarry fines minimisation,• quarry fines are a problem in 2/3 of quarries, stockpiles are growing • performance assessments are needed process audits can highlight production changes • more efficient resource use minimisation = optimisation of resource use • bottom line reduced fines = lower cost + lower co 2 emission ©.techniques of controlled blasting by partha d sharma,air blast (noise) problem is more when using detonating fuse (df) for open pit, quarry and construction blasting (i.e., when propagating detonating wave comes directly in contact with air); thus.surface mineral workings: control of blasting,more substantial barriers such as a series of quarry faces can reduce air overpressure values when blasting at depth. effects of meteorological conditions because air overpressure is transmitted through the atmosphere, meteorological conditions such as wind speed and direction, temperature, cloud cover and humidity will all affect the intensity of the air overpressure experienced at a distance.

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