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Kaiser Effect in Rocks Undergone Polyaxial Loading The basic regularities are considered for manifesting the Kaiser effect in various regimes of polyaxial loading, which is of great importance for developing the methods of stress measurement in rocks The correspondence between the results of experimental and theoretical investigations is shown
Establishing Empirical Relationships for the Effects of Water Content . . . Rock Mechanics and Rock Engineering -where ω represents the water content expressed as percentage, M ps is the mass of rock sample under partially saturated condition, and M d is the mass of dry rock sample 2 2 Uniaxial Compressive Test The core samples for uniaxial compressive tests were prepared with the length-to-diameter ratio of 2 5 as recommended by ISRM (2007) A total of 25 samples
Rate effect of rocks: Insights from DEM modeling,International Journal . . . Rocks are subjected to different loading rates at different construction stages and engineering applications The strength of rock usually increases with loading rate This rate dependency is one of the time-dependent behaviors of rock, whereby the micro-mechanisms are believed to be the subcritical crack growth due to stress corrosions However, no evidence is provided yet This study
Effect of Freezing-Thawing Cycles on the Elastic Waves . . . - MDPI Freezing thawing cycles are known to play an important role in fracture propagation on rock mass and thus in rock slope instabilities In laboratories, this phenomenon can be studied through the measurement of the velocities of elastic waves Seven types of rocks differing by their mineralogy and texture were tested (gneiss, basalt, amphibolite, dolomite, sandstone, marble limestone and
Effective Elastic Properties of Cracked Rocks — An Overview Upper crustal rocks contain cracks of diverse sizes, shapes and orientations Predicting their influence on the effective elastic properties of a rock poses a challenging problem of considerable interest, in particular to seismologists In geophysics, theoretical
Effect of freeze-thaw cycles on mechanical properties and . . . - Springer Geological disasters will happen in cold regions because of the effects of freeze-thaw cycles on rocks or soils, so studying the effects of these cycles on the mechanical characteristics and permeability properties of rocks is very important In this study, red sandstone samples were frozen and thawed with 0, 4, 8 and 12 cycles, each cycle including 12 h of freezing and 12 h of thawing The P
Experimental study on the thermal response of rocks to stress change . . . SUMMARY Bedrock temperature contains effective information about changes in the crustal stress A new method of detecting crustal stress change by bedrock temperature (DSCT) has been proposed Understanding the stress-induced temperature response characteristics of loaded rocks is fundamental for applying DSCT In this study, temperature observation experiments of different rocks and water
Experimental Study of Fracture Toughness and Subcritical Crack Growth . . . Abstract This paper investigates fracture toughness and subcritical crack growth of marble, lherzolite, and amphibolite under different environments aiming to better understand the effect of environment, especially the acidic solution, on the fracturing
International Journal of Applied Mechanics Dedicated to innovative and consequential research in applied mechanics, including newly emerging areas such as biomechanics, electromechanics, the mechanical behavior of advanced materials, nanomechanics, etc