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Creep Fracture in Rock in Uniaxial Compression

W. R. Wawersik / W. S. Brown

Three rock types, a granite, a sandstone and a marble, were tested in uniaxial compression to assess the time dependent properties of brittle rocks at stress levels exceeding half the uniaxial compressive strength. Specimens were tested in quasi-static tests and in creep and differential creep experiments at room temperature. The effect of (partial) pore water pressure was considered by comparing air-dried and water-saturated samples. Particular mathematical descriptions of time dependent deformations were derived from creep and differential creep tests. (Author)

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Creep Fracture in Rock in Uniaxial Compression

W. R. Wawersik / W. S. Brown

Three rock types, a granite, a sandstone and a marble, were tested in uniaxial compression to assess the time dependent properties of brittle rocks at stress levels exceeding half the uniaxial compressive strength. Specimens were tested in quasi-static tests and in creep and differential creep experiments at room temperature. The effect of (partial) pore water pressure was considered by comparing air-dried and water-saturated samples. Particular mathematical descriptions of time dependent deformations were derived from creep and differential creep tests. (Author)

Creep Fracture in Rock in Uniaxial Compression

W. R. Wawersik / W. S. Brown

Three rock types, a granite, a sandstone and a marble, were tested in uniaxial compression to assess the time dependent properties of brittle rocks at stress levels exceeding half the uniaxial compressive strength. Specimens were tested in quasi-static tests and in creep and differential creep experiments at room temperature. The effect of (partial) pore water pressure was considered by comparing air-dried and water-saturated samples. Particular mathematical descriptions of time dependent deformations were derived from creep and differential creep tests. (Author)

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Title:

Creep Fracture in Rock in Uniaxial Compression

Contributors:

W. R. Wawersik (author) / W. S. Brown (author)

Publication date:

1971

Size:

93 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Geology & Geophysics , Rock(Geology) , Fracture(Mechanics) , Creep , Compressive properties , Brittleness , Pressure , Sandstone , Metamorphic rock , Granite , Failure(Mechanics) , Porosity , Deformation , Shear stresses , Statistical data , Strain(Mechanics) , Rock mechanics

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