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Article | REF: BE8583 V1

Man-made Caverns for Energy, Why and How?

Author: Pierre DUFFAUT

Publication date: April 10, 2014 | Lire en français

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    5. Theoretical and technological approaches

    5.1 Theoretical approach

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    5.1.1 Hole theory

    In construction, elements are successively added to obtain a structure that is placed on the ground (or embedded), and the main factor of equilibrium is gravity. The elements are heavy, but initially free of internal stresses (neutral state). Any defect in an element is a cause of weakness for the structure, whether original or due to excessive stress. Prestressing and post-tensioning are used to overcome these problems. Underground structures are quite different, since...

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