uniaxial compressive strength of granite

UNIAXIAL COMPRESSIVE STRENGTH OF THE GRANITE

2022-1-6  Download Table UNIAXIAL COMPRESSIVE STRENGTH OF THE GRANITE SAMPLES from publication: Investigation of Physical and Mechanical Properties of Selected Rock Types in Kogi State Using Hardness ...

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Prediction of Uniaxial Compressive Strength of Granite ...

Prediction of Uniaxial Compressive Strength of Granite Rock Samples of Lugoba Quarry Using Rebound Hammer Test 18 Tanzania Journal of Engineering and Technology (Tanz. J. Engrg. Technol.), Vol. 40 (No. 1), June 2021 RHN established using data obtained from field tests is normally used. Compressive strength of a rock material may be defined

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Prediction of uniaxial compressive strength of granitic ...

2013-9-1  1. Introduction. The adaptive neuro-fuzzy inference system (ANFIS) is rapidly gaining popularity in the areas of geophysics and geomechanics .Also, prediction models for uniaxial compressive strength (UCS) of weak rocks , , , are common in rock mechanics literature due to the difficulties encountered during the preparation of standard cores. When compared with

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Determination of Uniaxial Compressive Strength of Granite ...

The uniaxial compressive strength, elastic modulus, point load strength, Schmidt hammer value, P-wave velocity, density and porosity values of the samples were determined in the laboratory.

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Prediction of Uniaxial Compressive Strength of Granite ...

2021-7-31  Data for direct uniaxial compressive strength were obtained from uniaxial compressive strength test carried out on 20 core samples at the Dar es Salaam Institute of Technology Geotechnical Laboratory using ISMR Standard Procedures. The rebound hammer test was carried out using testing hammer type N.

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Uniaxial Compressive Behavior of Granite at High Strain ...

2021-6-20  To obtain the uniaxial compressive strength of the granite, an MTS-793 fatigue machine (Fig. 2a) was employed with a displacement-control mode at a loading rate of 0.3125 μm/s. With this machine, the static fracture behavior could be fully demonstrated (Fairhurst and Hudson 1999; Zang and Wanger 2000).The standard cylinders (Fig. 2b) were placed on the

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Dynamic uniaxial compression tests on a granite —

Dynamic uniaxial compression tests for the Bukit Timah granite in Singapore were conducted at four loading rates (10 0, 10 1, 10 3 and 10 5 MPa/s). It was found that the compressive strength increases from 205 MPa to 235 MPa with loading rate increasing from 10 0 to 10 5 MPa/s. Evidence also indicates that there are small changes in the Young's modulus and the

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Uniaxial compressive strength ( c) and deformation

2011-3-18  Uniaxial compressive strength ( ... Granite 154 48 313 71 169 42 250 20 32.7 Granodiorite 160 51 319 2 171 20 118 2 30? Gabbro 228 106 466 5 248 76 306 1 25.8 Norite 229 82 356 8 - - - - 21.7 Olivinestone - - - - 87 113 1307 5 Peridotite 197 55 280 1 109 164 1502 1 ...

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Experimental investigation of the uniaxial compressive ...

2021-1-18  The compressive strength of these two types of specimens generally matched the trend that was demonstrated in Mogi and Hawkins . 5. Conclusions. To investigate the uniaxial compressive behavior of a thin granite material, three groups of thin granite cylinders with the same L/D ratio of 0.5 but different lengths were manufactured. An additional ...

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STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES

2006-3-19  Granite Basalt Gneiss Schist Quart-zite Marble Lime-stone ... 62.0 165.5 9 120.9 373.0 35.3 337.7 51 90.1 235.2 10.0 225.2 46 103.0 231.0 34.3 196.7 14 Table 1. Typical values of uniaxial strength (in MPa) for nine common rock types (after Johnson and Degraff, 1988). Rock Tensile Strength ... Mean tensile strength and compressive strength for ...

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Prediction of Uniaxial Compressive Strength of Granite ...

2021-7-31  Data for direct uniaxial compressive strength were obtained from uniaxial compressive strength test carried out on 20 core samples at the Dar es Salaam Institute of Technology Geotechnical Laboratory using ISMR Standard Procedures. The rebound hammer test was carried out using testing hammer type N.

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Determination of Uniaxial Compressive Strength of Granite ...

Summary The uniaxial compressive strength (UCS) is one of the most important design parameters in a rock engineering projects and it should be determined as a prerequisite for geotechnical studies. Since direct determination of geomechanical properties of rocks are usually expensive, time consuming and only capable in local geomechanical properties determination,

More

Uniaxial compressive strength ( c) and deformation

2011-3-18  Uniaxial compressive strength ( ... Granite 154 48 313 71 169 42 250 20 32.7 Granodiorite 160 51 319 2 171 20 118 2 30? Gabbro 228 106 466 5 248 76 306 1 25.8 Norite 229 82 356 8 - - - - 21.7 Olivinestone - - - - 87 113 1307 5 Peridotite 197 55 280 1 109 164 1502 1 ...

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UNIAXIAL COMPRESSIVE STRENGTH OF MALAYSIAN

2017-7-27  strength reduction in all weathering grades are not so obvious since all specimens show variation of strength reduction from 5 % to 15 %. Then it can be deduce that 50% amplitudes of cyclic loads could reduce uniaxial compressive

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Strength evaluation of granite block samples with ...

2019-11-12  Hence, this GP-based model can be considered as a new applicable equation to accurately estimate the uniaxial compressive strength of granite block samples. Introduction To design and construct in a geotechnical context, rock engineering properties (i.e. strength and deformability) are of the highest importance [ 1 , 2 ].

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Effect of thermal cycles on mechanical properties of a ...

In this study, uniaxial compressive strength and elastic modulus of a moderately weathered granite after various thermal cycles were determined. Results show that, for the specimens treated at a temperature of lower than 300°C, uniaxial compressive strength and elastic modulus decreased with the increasing numbers of thermal cycles.

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PETROLOGICAL AND STRENGTH PROPERTIES OF

2018-4-18  common measure of compressive strength is the uniaxial compressive strength (UCS) or unconfined compressive strength. Meanwhile, the tensile strength of rock material is normally defined by the ultimate strength in tension, in which the maximum tensile stress the rock material can bear (Jaeger, 1979). Rock material generally has

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Correlation between Uniaxial Compressive Strength and ...

2008-6-6  uniaxial compressive strength from the results of the point load test. 4. Test Results and Discussion 4.1 Uniaxial Compressive Strength Test Results The mean values of uniaxial compressive strength of the tested rocks are listed in Table 2. The strength values range from a low of 9.16 MPa for Marl to a high of 101.08 MPa for

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METHODS TO QUANTIFY THE PARAMETERS APPLIED IN

2011-3-12  The uniaxial compressive strength of the rock constitutes the highest strength limit of the actual rock mass. ISRM (1981) has defined the uniaxial strength of a rock to samples of 50 mm diameter. A rock is, however, a fabric of minerals and grains bound or welded together. The rock therefore includes microscopic cracks and fissures.

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Tensile strength anisotropy of Barre Granite

2020-4-23  on the dynamic compressive response of Barre granite (Xia et al., 2008). Herein, the tensile strength anisotropy and its micro-structural correlation are investigated. Both static and dynamic Brazilian tests are conducted for measuring tensile strength of Barre granite along different splitting planes.

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Determination of Uniaxial Compressive Strength of Granite ...

Summary The uniaxial compressive strength (UCS) is one of the most important design parameters in a rock engineering projects and it should be determined as a prerequisite for geotechnical studies. Since direct determination of geomechanical properties of rocks are usually expensive, time consuming and only capable in local geomechanical properties determination,

More

PETROLOGICAL AND STRENGTH PROPERTIES OF

2018-4-18  common measure of compressive strength is the uniaxial compressive strength (UCS) or unconfined compressive strength. Meanwhile, the tensile strength of rock material is normally defined by the ultimate strength in tension, in which the maximum tensile stress the rock material can bear (Jaeger, 1979). Rock material generally has

More

Correlation Between the Point-Load Strength and the ...

2014-3-31  Lee, S. G. and Lee, S., 1995, A suggested method to predict uniaxial compressive strength of Korean granite by point load strength, 1995, KSCE Journal of Civil Engineering, 15(4), 1015-1027(In Korean with English abstract).

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Rock mechanics modelling of rock mass properties ...

2007-2-16  Granite to quartz monzodiorite (generally porphyritic) – Ävrö granite 501044 2.1 Uniaxial compressive strength Laboratory tests of uniaxial compressive strength UCSi were carried out at the SP Laboratory (Swedish National Testing and Research Institute) on samples from borehole KSH01A, KSH02A, KLX02 and KLX04 /Jacobsson 2004abcd/.

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SciELO - Brasil - Experimental study on granite and the ...

The test results are summarized in Table 1, where σsis the uniaxial compressive strength, is the average of σ s, E 50 and v 50 is the elastic modulus and Poisson ratio when stress is 50% of the compressive strength, respectively, and and refers to the average of E 50 and v 50, respectively.

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AE Characteristics of Rockburst Tendency for Granite ...

The compressive strength of granite under different conditions is 149.416 MPa and 133.392 MPa, respectively, and the uniaxial compressive strength of granite samples under dry conditions is higher. The average modulus calculated in this paper is the slope of the secant line at the two points on the stress-strain curve before the peak.

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METHODS TO QUANTIFY THE PARAMETERS APPLIED IN

2011-3-12  The uniaxial compressive strength of the rock constitutes the highest strength limit of the actual rock mass. ISRM (1981) has defined the uniaxial strength of a rock to samples of 50 mm diameter. A rock is, however, a fabric of minerals and grains bound or welded together. The rock therefore includes microscopic cracks and fissures.

More

tensile and compressive strength of granite and basalt

Compressive strength for basalt 36.39N/mm2 while 37.16N/mm2 for granite. 24.81N/mm2 tensile strength for basalt while 12.57N/mm2 for granite, 31.83N/mm2 flexural strength for basalt while 27.97N/mm2 for granite. From the above results, it can be deduced that basalt. More.

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Tensile strength anisotropy of Barre Granite

2020-4-23  on the dynamic compressive response of Barre granite (Xia et al., 2008). Herein, the tensile strength anisotropy and its micro-structural correlation are investigated. Both static and dynamic Brazilian tests are conducted for measuring tensile strength of Barre granite along different splitting planes.

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抗压强度_百度百科

2021-12-13  抗压强度(compressive strength)代号σbc,指外力施压力时的强度极限。欲想了解石材的特性,和在工程上是否适用时,必须先作岩石的力学强度试验。强度试验中最主要为抗压强

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