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Engineering-geological importance and possible origin of the stress relief of the rocks of the cordillera Blanca, Peru

Mencl, V.

Summary Stress relief causes opening of cracks as well as gravity movements of rock masses. In soils, landslides originate, often of large dimensions. Phenomena of this kind, observed in the Santa valley in Peru, are referred to. The processes, when triggered by the earthquake shocks, become of great importance for the population of the region. An attempt is made at explaining the mechanism of stress relief by analysing the origin of the important fault zone bordering the foot of the Cordillera Blanca. The assumption, as submitted, also helps in explaining the differential upheaval of the Cordillera Blanca as compared with that of the Cordillera Negra and of the coastal ranges.

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Engineering-geological importance and possible origin of the stress relief of the rocks of the cordillera Blanca, Peru

Mencl, V.

Summary Stress relief causes opening of cracks as well as gravity movements of rock masses. In soils, landslides originate, often of large dimensions. Phenomena of this kind, observed in the Santa valley in Peru, are referred to. The processes, when triggered by the earthquake shocks, become of great importance for the population of the region. An attempt is made at explaining the mechanism of stress relief by analysing the origin of the important fault zone bordering the foot of the Cordillera Blanca. The assumption, as submitted, also helps in explaining the differential upheaval of the Cordillera Blanca as compared with that of the Cordillera Negra and of the coastal ranges.

Engineering-geological importance and possible origin of the stress relief of the rocks of the cordillera Blanca, Peru

Mencl, V.

Summary Stress relief causes opening of cracks as well as gravity movements of rock masses. In soils, landslides originate, often of large dimensions. Phenomena of this kind, observed in the Santa valley in Peru, are referred to. The processes, when triggered by the earthquake shocks, become of great importance for the population of the region. An attempt is made at explaining the mechanism of stress relief by analysing the origin of the important fault zone bordering the foot of the Cordillera Blanca. The assumption, as submitted, also helps in explaining the differential upheaval of the Cordillera Blanca as compared with that of the Cordillera Negra and of the coastal ranges.

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Title:

Engineering-geological importance and possible origin of the stress relief of the rocks of the cordillera Blanca, Peru

Contributors:

Mencl, V. (author)

Published in:

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur ; 9

Publication date:

1974

ISSN:

DOI:

https://doi.org/10.1007/BF02635306

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Stress Relief , Fault Zone , Earthquake Shock , Masse Rocheuses

Classification:

BKL: 38.58 Geomechanik / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 050/6545

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