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Impact des dimensions des chambres souterraines sur la securite des mineurs et du materiel

Impact des dimensions des chambres souterraines sur la securite des mineurs et du materiel

          
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About the Book

Travail de Projet (scientifique-pratique) de l'année 2017 dans le domaine Sciences de la Terre / Géographie - Géologie, Minéralogie, Pédologie, note: manque, Université de Kolwezi, langue: français, résumé Une bonne marche des exploitations minières tient compte de la stabilité du terrain. Celle des excavations est la condition sine qua non de la sécurité du personnel et du matériel. Le rôle principal du soutènement est d'assurer la sécurité des excavations dans les géomatériaux. L'exploitation des mines souterraines s'accompagne souvent de nombreux problèmes relatifs au maintien de la stabilité. Pour résoudre ces derniers, plusieurs techniques ont été élaborées, en vue de prévoir et de porter remède aux dangers et risques causés par ces travaux d'excavation. La recherche et l'extraction des substances minérales implique une connaissance et une observation des certains paramètres. En effet, une exploitation non ordonnée peut provoquer inévitablement des difficultés dans la suite des travaux de tout un niveau de la mine. Dans le projet d'élargissement des chambres telle la GL2 de la mine souterraine de KAMOTO, nous avons entrepris de faire des études géomécaniques et géostructurales en vue de contrôler la stabilité de l'excavation. Sur le terrain nous nous sommes employés à faire l'identification des formations géologiques, l'appréhension des éléments structuraux et leur repérage géométrique. L'instabilité peut être causée par les discontinuités structurales. Ces dernières constituent des surfaces de moindre résistance. Leur orientation, leur longueur, leur remplissage, leur espacement, et cetera sont à la base de l'instabilité des masses rocheuses. La présence des vides dans un massif rocheux, en dehors des caractéristiques géostructurale et géomécaniques de terrain, peuvent perturber son état d'équilibre et provoquer des instabilités. Ainsi dans une mine souterraine, la stabilité d'une chambre en exploitation dépend intensément de sa forme et de ses dimensio


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Product Details
  • ISBN-13: 9783668647114
  • Publisher: Grin Verlag
  • Publisher Imprint: Grin Verlag
  • Height: 210 mm
  • No of Pages: 30
  • Spine Width: 2 mm
  • Width: 148 mm
  • ISBN-10: 3668647119
  • Publisher Date: 05 Mar 2018
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 50 gr


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