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Elastic Moduli of Rock at Elevated Temperatures

C. F. Wingquist

In support of Bureau of Mines studies of thermal fragmentation of rock, the elastic moduli of four types of rock were measured at temperatures ranging from room temperature up to 1,500F (1,089K). The sonic method was employed to determine the resonant frequencies of the rock specimens and from these frequencies, the elastic moduli were calculated. Data for Young's modulus, shear modulus, and Poisson's ratio are given as a function of temperature for Dresser basalt, Reserve taconite, Jasper quartzite, and Charcoal granite. Young's modulus and the shear modulus decreased with increasing temperature up to about 1,200F and then became relatively insensitive to temperatures from 1,200 to 1,500F. (Author)

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Elastic Moduli of Rock at Elevated Temperatures

C. F. Wingquist

In support of Bureau of Mines studies of thermal fragmentation of rock, the elastic moduli of four types of rock were measured at temperatures ranging from room temperature up to 1,500F (1,089K). The sonic method was employed to determine the resonant frequencies of the rock specimens and from these frequencies, the elastic moduli were calculated. Data for Young's modulus, shear modulus, and Poisson's ratio are given as a function of temperature for Dresser basalt, Reserve taconite, Jasper quartzite, and Charcoal granite. Young's modulus and the shear modulus decreased with increasing temperature up to about 1,200F and then became relatively insensitive to temperatures from 1,200 to 1,500F. (Author)

Elastic Moduli of Rock at Elevated Temperatures

C. F. Wingquist

In support of Bureau of Mines studies of thermal fragmentation of rock, the elastic moduli of four types of rock were measured at temperatures ranging from room temperature up to 1,500F (1,089K). The sonic method was employed to determine the resonant frequencies of the rock specimens and from these frequencies, the elastic moduli were calculated. Data for Young's modulus, shear modulus, and Poisson's ratio are given as a function of temperature for Dresser basalt, Reserve taconite, Jasper quartzite, and Charcoal granite. Young's modulus and the shear modulus decreased with increasing temperature up to about 1,200F and then became relatively insensitive to temperatures from 1,200 to 1,500F. (Author)

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Title:

Elastic Moduli of Rock at Elevated Temperatures

Contributors:

C. F. Wingquist (author)

Publication date:

1969

Size:

22 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Geology & Geophysics , Structural Mechanics , Rock(Geology) , Modulus of elasticity , Thermal stresses , Fragmentation , Thermal expansion , Heating , Shear stresses , Test equipment , Test methods , Poissons ratio , Isotropism , Petrography , Equations , Basalt , Granite , Taconite , Quartzite

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