Blasting in Ground Excavations and Mines by B. Singh, P. Pal Roy, R. B. Singh, A. Bagchi, M. M. Singh

By B. Singh, P. Pal Roy, R. B. Singh, A. Bagchi, M. M. Singh

Discussing blasting in floor excavations and mines, this article covers uncomplicated rules, traditional concepts, major variables, optimal layout features, differences of a few actual suggestions within the context of mine and floor excavations.

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Il est rarement possible de faire immediatement des verifications a partir des echantillons disponibles , parce que l'on s ' interesse surtout a la prevision des caracteristiques de tel ou tel panneau, inconnues par definition au moment de la prevision. On peut parfois fa ire la preViSion pour des panneaux deja exploites, a condition que les resultats de leur exploitation aient ere correctement enregistres . Par contre , en cartographie automatique ou l'on s'interesse a la prevision de points, c'est la une procedure de verification courante : on krige chaque point experimental, comme s'il etait inconnu , a partir de ses voisins.

ENSMP . Paris, 212 p . 10 . G. Mntheron - 1973 - The Intrinsic Random Functions and their Applications, Advances in Applied Probability , Dec. 1973. NO 5, pp. 439-468. II . G. Matheron - 1975 - Random Sets and Integral Geometry . John Wiley and Sons (lnterscience) New York , 1975 . 282 p . (voir surtout Introduction) , I. PAR T KRIGING I I THE PRACTICE OF KRICINC H. David Departement de Genie minera l , Ecole Poly technique , Montreal , Canilda ABSTRACT. This paper intends to present the author's experience in the field of practical impl ement

45 THE PRACTICE OF KRIGING Kriging provides the optimum answer to one question: to get the best grade for a given block, knowing a given set of samples. In fact one sees that as soon as mining people receive the data base, they start to recombine the values to answer other questions.

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