[PDF] Top 20 Study on the Strength and Deformation Characteristics of Rock Mass

... Tensile testing, also known as tension testing, is a fundamental test in which a sample is subjected to a controlled tension until failure. The results from the test are commonly used to select a material for an ... See full document

... of rock ore and rocks masses around workings was proposed on the basis of the ...of rock ore mass’s limit state were ...calculated strength of rock mass, and recommendations were given ... See full document

... Khibiny rock mass (the Rasvumchorr Plateau field) with the structure of blocks where pillars of various geometric structure are observed has been chosen for numerical ...mechanical characteristics in ... See full document

... shearing strength on perilous rock mass ...perilous rock is larger, the rock mass in locked patch ruptures and under the effect of groundwater, its intensity is easily to appear ... See full document

... The rock mass strength analyzed with the RMI is very high for marbles and ultrabasics, whereas they are high for the an- desite ...endogeneous rock mass, their stabilities are also ... See full document

... purposes, rock mechanics is mostly concerned with rock on the scale that appears in engineering and mining work, and so it might be regarded as the study of the properties and behavior of accessible ... See full document

... to strength as a result of ...long-term strength of granite in the brittle regime ...experimental study has shown that the strength of a low-porosity fresh granite is largely unaffected at ... See full document

... of rock properties relate to full-scale predictions of rock mass ...large rock mass because of its capacity to model the intact rock blocks as well as the in- teractions that ... See full document

... upon rock mass strength, method of excavation and stress and deformation behavior of ...weak rock mass moves radially inward leading to decrease in size of excavated ...As ... See full document

... this study, the authors devised a testing apparatus with which concrete can be cured under arbitrary temperature, humidity, and triaxial stress ...of strength development were found to lead to different ... See full document

... The study area is near about 30 Km long V-shaped valley with steep slopes on either side of Kandiah River. Tectonically it is situated in Kohistan Island Arc (KIA) and surrounded by two sutures formed by the ... See full document

... Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure ... See full document

... as deformation modulus, intact uniaxial compressive strength and Passion’s ratio, and evaluate the distribution of the output variables such as total ...geomechanical characteristics of rocks could ... See full document

... compressive strength dramatically. The influence of veins [29] on rock strength has not been extensively ...the strength of the sample ...the strength of a rock sample; ... See full document

... impact strength analysis of considered rock samples were performed by Protodyakonov strength index test apparatus which is based on the principle of crushability of rock under the standard ... See full document

... Therefore, rock characteristics could not be defined by deterministic values and probabilistic methods would be as a suitable ...to rock mass characteristics were first ...as ... See full document

... soil mass with highly plastic fines but in very low proportion are rejected even though its shear strength values are ...Shear Strength when the fines are in different ... See full document

... Shear strength behaviour of soil-rock mixture by direct shear test using large direct shear apparatus which provide ease to perform with large volume of mix and provide a better ...of rock particles ... See full document

... of rock mass to determine the estimated required support alignment by using Rock mass rating (RMR) and Tunneling quality index (Q-system) dur- ing excavation along ...the deformation ... See full document

... low strength rocks (Fig. 1). When the strength of a rock mass, in the scale of an underground opening, is close to the strength of a small sample of a clastic rock, the ... See full document