Tome Architecture and management of a geological repository - Andra
Tome Architecture and management of a geological repository - Andra
Tome Architecture and management of a geological repository - Andra
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3 – Design study <strong>of</strong> a <strong>repository</strong> in a granite formationFigure 3.2.1Left: unfinished obelisk at the Aswan granite quarry. Right: Vermont quarry3.2.1.2 A granite massif: a formation <strong>of</strong> vast dimensions <strong>and</strong> properties caused by its<strong>geological</strong> historyA granite massif suitable to host a <strong>repository</strong> is a thick <strong>geological</strong> formation usually <strong>of</strong> vastdimensions, which given rock resistance <strong>of</strong>fers great flexibility for <strong>repository</strong> architectural design.However, on the scale <strong>of</strong> a massif, granite is not a monolithic homogenous <strong>geological</strong> formation. It isessential to have a thorough underst<strong>and</strong>ing <strong>and</strong> modelling <strong>of</strong> its structure with enough details to studyhow <strong>repository</strong> design could suit or not inside.This underst<strong>and</strong>ing is based on detailed characterisation <strong>of</strong> the massif studied thanks to methodsapplied during successive stages <strong>of</strong> site surveying. The complementarity <strong>of</strong> these methods enables agradual surveying approach to be defined <strong>and</strong> adopted to the site studied.Dossier 2005 Granite - ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL REPOSITORY34/228
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