| عنوان فارسی مقاله: | تاثیر تنش اصلی میانگین بر شکست سنگ و مقاومت سنگ در نزدیکی مرز حفاری (از نظر مدل سازی عددی) |
| عنوان انگلیسی مقاله: |
Influence of intermediate principal stress on rock fracturing and strength near excavation boundaries—Insight from numerical modeling |
چکیده
1-مقدمه
2- شبیه سازی عددی شکست سنگ تحت شرایط تنش چند محوری
2-1- ELFEN
2-2- شبیه سازی مدل
2-3- نتایج و بحث
2-3-1- تأثیر σ2 بر شکست سنگ
2-3-2- تأثیر σ2 بر مقاومت سنگ در نزدیکی مرز حفره
3-نتیجه گیری
کلمات کلیدی :
Effect of the intermediate principal stress on rock failureadsabs.harvard.edu/abs/1967JGR....72.5117Mby K Mogi - 1967 - Cited by 409 - Related articlesEffect of the intermediate principal stress on rock failure. Authors: Mogi, Kiyoo. Affiliation: AA(Department of Geology and Geophysics, Massachusetts Institute of Technology, Cambridge, 02139). Publication: Journal of Geophysical Research, Volume 72, Issue 20, pp. 5117-5131. Publication Date: 10/1967. Origin:Influence of intermediate principal stress on hard rock fracturing ...en.cnki.com.cn/Article_en/CJFDTotal-YTLX201305037.htmby S ZHANG - 2013 - Cited by 2 - Related articlesBased on triaxial compressive experiments of hard rock simulated by numerical method,the influence of intermediate principal stress on the fracturing mechanism of homogeneous and heterogeneous rocks is analyzed with four constitutive models,i.e.Mohr-Coulomb,Drucker-Prager and strain-softening considering ...Experimental Rock Deformation - The Brittle Fieldhttps://books.google.com/books?isbn=3662117207M. S. Paterson - 2013 - ScienceWawersik and Fairhurst, 1970; Wawersik and Brace, 1971). 3.6 Influence of Intermediate Principal Stress It is implicit in the widely used Coulomb and Mohr criteria of failure that the value of the intermediate principal stress 02 does not affect the brittle fracture strength. In particular, it follows that in triaxial tests the differential ...