influences on strength of rock
influences on strength of rock
Weathering
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It is the process of weakening rock and producing a rock waste or soil cover Weathering occurs when rocks and minerals comes in contact with the atmosphere, organic life and suicidal water Essential feature of weathering is that it affects rocks in-situ (in place) and no transportation of material is involved A part of rainfall always snips into the soil on the covered rocks...

Shear strength (discontinuity)
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The shear strength of a discontinuity in a soil or rock mass may have a strong impact on the mechanical behavior of a soil or rock mass The shear strength of a discontinuity is often considerably lower than the shear strength of the blocks of intact material in between the discontinuities, and therefore influences, for example, tunnel, foundation, or slope engineering, but also the stability ....

influences on strength of rock
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INFLUENCE OF INTACT ROCK STRENGTH ON ROCK MASS MECHANICAL PROPERTIES ABSTRACT The Synthetic Rock Mass (SRM) approach has the potential to capture the mechanical behavior of large rock sampl In order for the method to be used with confidence it is necessary to gain a good understanding of the factors that influences its analysis...

Rock Mass Strength Gibson Rev 2
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Rock Mass Strength derived from Rock Mass Characterization Gibson, W H, SRK Consulting, Perth, Western Australia, Australia Updated version of the paper published in the Journal of Australian Geomechanics Vol 41 No March 2006 ABSTRACT: The assessment of rock mass strength is a key element for the analysis of many rock excavations, both open...

CUTTING OF ROCK (January 2007)
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important than the strength of the intact rock It is known that the absence of water in rock is important for the rock strength When saturated with water the rock strength can be 30 to 90 % of the strength of dry rock Therefore rock samples have to be sealed immediately after drilling in such a way that evaporation of or intake of water is ....

Compressive strength of rocks
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Fluids can alter rock mechanical properties through fluid pressure, chemical reactions with mineral surfaces, and by lubricating moving surfac These effects are discussed in Pore fluid effects on rock mechanics Effect of grain size and texture In granular rocks, grain size also influences strength...

Rock failure relationships
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Each of these assumptions can be violated, and some have been demonstrated to have major influences on rock strength Coulumb-Navier failure To begin with, a brief review of the standard Mohr failure criteria will be examined to introduce concepts and define terms, as well as to establish the basic mathematics behind the strength relationships...

What factors determine the strength of a rock
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Dec 12, 2010· The factors that influence the strength of a rock and how it will deform include temperature, confining pressure, rock type, and time Related Questions Asked in Astronomy, Rocks ,...

Landslides vs Rock strength
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The strength of a rock can be defined by its Mohr Circle, and its corresponding failure envelope Once conditions are reached which place a rock over its failure envelope, it will experience deformation There are two main types of deformation which rocks undergo and both are pertinent to landslid...