WebThis presentation illustrates powerful and practical step by step techniques in using the Scaled Depth of Burial calculation when designing a blast, and the safety factors to observe and monitor in blast designing to prevent wasteful energy loss and dangerous flyrock or over confinement smothering detonation energy creating poor fragmentation and … WebFlyrock, the subject of this chapter, is an unwanted throw of individual rock fragments that travel beyond the projected distances from the blast face and have a capability to damage structures ...
What does flyrock mean? - definitions
WebMay 26, 2011 · Once rock velocity is known then the flyrock range L m (m) is calculated from the equation of ballistic trajectories. For bench blasting, Lundborg et al. [ 29] proposed the maximum flyrock according to ( 1 ): L_ {m} = 260d^ {2/3} (1) An alternative approach was attempted by Roth [ 30] for obtaining the flyrock range. WebDefinition Rock fragment projected in different directions beyond expected or desired distances from the blast face, owing to improper blast design and/or its application and/or presence of adverse rock conditions that … billy idol youtube acoustic eyes
A SVR-GWO technique to minimize flyrock distance …
WebSep 8, 2015 · Velocity and launch angle of flyrock fragment was calculated using high speed video analysis and used to determine the distance of the flyrock. However, the … WebDec 1, 2024 · Six computational models were developed to estimate flyrock distance, including the empirical, MLP, HHO-MLP, WOA-MLP, SVM, and RF models. To develop … WebFeb 10, 2014 · Flyrock prediction and control is a science. Flyrock follows the laws of physics and derives its energy from the laws of chemistry. There are various predictive models in existence, one of the better ones being a model derived by Victorian firm … cymbalta ficha