Applied Salt-Rock Mechanics. The in-situ behavior of salt - download pdf or read online

By C. A. Baar

ISBN-10: 0444415009

ISBN-13: 9780444415004

ISBN-10: 0444601651

ISBN-13: 9780444601650

ISBN-10: 1299536832

ISBN-13: 9781299536838

Utilized Salt-Rock Mechanics 1

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Learning how to mine salt deposits certainly is very costly if newscomers start out with laboratory concepts, disregarding facts which are of vital importance. 2 History of salt and potash mining Nobody knows for sure where and when underground salt mining started.

The subsequent wave-front-like growth of the saltstock families took place in a purely halokinetic way, that is, by the move­ ment of salt under the influence of gravity. 3 mm a year" (Sannemann, 1968, p. 261). 3 Diapirism Modern investigators appear in agreement regarding the need for a trigger­ ing mechanism to initiate salt diapirism. Tectonics movements, resulting in faulting of competent formations are usually invoked. It may be emphasized with Kupfer (1974) — see preceding sub-section — that expansion tectonics Fig.

Similar brecciation of carnallite and of other salt rocks has occurred more frequently in salt domes and similar structures, due to extensive tectonic deformations. 3 Salt crystallization in voids due to bed separation Another phenomenon related to the loss of volume by carnallite conver­ sion to sylvite also has remarkable analogies in mining: the separation of salt beds along planes of weakness provided by interbedded layers of clay, opened voids which may have been filled with secondary salts crystallizing from migrating solutions.

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Applied Salt-Rock Mechanics. The in-situ behavior of salt rocks by C. A. Baar


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