ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
In the present paper, a micromechanical based damage model and correspondingpermeable coefficient tensor are developed for rocks under tensile stress and hydraulic pressureloading based on the concept of the domain of microcrack growth (DMG) . After choosing anappropriate fracture criterion for microcracks, we obtain the equations from which the DMG undera monotonically increasing proportional plane stress and an invariable hydraulic pressure loading isobtained. Then the overall effective stress-strain relations and the permeable coefficient tensor ofdamaged rocks are calculated. The theory is verified by test
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.324-325.899.pdf
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