نتایج جستجو برای: hoek brown criteria
تعداد نتایج: 306548 فیلتر نتایج به سال:
Abstract The flat joint contact model (FJM) provides significant improvements over its predecessors, the parallel bond and models, for bonded particle modelling of rocks due to unique microstructure that allows reproduction macroscopic compressive–tensile strength ratio, σ c /|σ t | ; internal friction angle, ϕ Hoek–Brown constant, m i . However, microproperty calibration process is tedious tim...
This paper investigates the problem of stability in a group headings driven high horizontal stress fields copper ore mines Legnica-Glogow Copper Belt (LGCB). The are protected with roof bolting system. is importance due to special safety regulations which apply mining workings serving as airways and haulageways. analysis was performed for four geological conditions Polkowice-Sieroszowice mine. ...
Nicole M.F. van Gerven*, Ynto S. de Boer*, Antonie Zwiers, Bart J. Verwer, Joost P.H. Drenth, Bart van Hoek, Karel J. van Erpecum, Ulrich Beuers, Henk R. van Buuren, Jannie W. den Ouden, Robert C. Verdonk, Ger H. Koek, Johannes T. Brouwer, Maureen M.J. Guichelaar, Jan M. Vrolijk, Minneke J. Coenraad, Georg Kraal, Chris J.J. Mulder, Carin M.J. van Nieuwkerk, Elisabeth Bloemena, Hein W. Verspaget...
Terry L. Vanden Hoek, Laurie J. Morrison, Michael Shuster, Michael Donnino, Care Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Part 12: Cardiac Arrest in Special Situations : 2010 American Heart Association ISSN: 1524-4539 Copyright © 2010 American Heart Association. All rights reserved. Print ISSN: 0009-7322. Online 72514 Circulation is published by the American Hea...
In 1851/52 the Dutch physician A. Hoek treated Rika van B., a young woman suffering from a hysterical psychosis, with hypnosis. This article gives an extensive summary of the case history followed by some comments with regard to the treatment approach used, its historical background and diagnostic issues. The case history is of historical value. It is probably the first description of the uncov...
Laurie J. Morrison, Co-Chair*; Charles D. Deakin, Co-Chair*; Peter T. Morley; Clifton W. Callaway; Richard E. Kerber; Steven L. Kronick; Eric J. Lavonas; Mark S. Link; Robert W. Neumar; Charles W. Otto; Michael Parr; Michael Shuster; Kjetil Sunde; Mary Ann Peberdy; Wanchun Tang; Terry L. Vanden Hoek; Bernd W. Böttiger; Saul Drajer; Swee Han Lim; Jerry P. Nolan; on behalf of the Advanced Life Su...
در این پایان نامه سعی شده است تا با استفاده از روشهای تجزیه و تحلیل پایداری شیبهای سنگی، شیب های مناسب جهت ایجاد کارگاه های استخراج محدوده معدن بوکسیت جاجرم محاسبه و ارائه شود. به همین منظور سنگهای تشکیل دهنده محدوده معدن مورد مطالعه و بررسی دقیق تر قرار گرفتند و طبقه بندی رفتار مکانیکی آنها به کمک سیستم طبقه بندی توده سنگ rmr انجام شد. همچنین مشخصات ناپیوستگی ها به کمک محاسبات و نرم افزارهای ط...
These are the accompanying notes to my presentation at the Schloss Dagstuhl Seminar 11101. In this talk, I will present a logic to reason about voting procedures, proposed in a common work with W. van der Hoek and M. Wooldridge. I will discuss some perspectives on its software implementation and try to assess its practicality. I will also make a short demonstration of a prototype.
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