• Predictive model for uniaxial compressive strength for

    2015-12-14 · Uniaxial compressive strength (UCS) for rocks plays a vital role in both preliminary and final design stages of rock and geotechnical engineering projects such as dam, rock mass excavation, tunnel, slope stability and foundation of infrastructures (Bieniawski, Z.T.,

  • Cited by: 20
  • Prediction of uniaxial compressive strength of granitic

    2013-9-1 · Most of these studies considered the uniaxial compressive strength of the granitic rocks as an indicator for the suitability of the granitic rocks in industrial use for determination of the degree of weathering. For this reason, the practical determination of the UCS of granitic rocks is highly important for rock engineering work.

  • Cited by: 102
  • Estimation of uniaxial compressive strength of rock

    2013-6-27 · Uniaxial compressive strength (UCS) is one of the most widely used rock mechanical parameters in rock engineering like design and construction of foundations, tunneling, slope stability investigations, etc. UCS is also the only parameter to assess rock material strength in Rock Mass Rating (RMR) proposed by Bieniawski (1989).

  • Cited by: 144
  • Point load strength index of granitic irregular lumps

    The Uniaxial Compressive Strength (UCS) of rock cores is a key parameter for design analysis of rock engineering projects such as rock tunnels and piles in rockets. Diametral and axial point load tests on cylinder cores have been used to obtain Point Load Strength Index (PLSI). This PLSI is correlated to

  • Cited by: 2
  • Predicting Unconfined Compressive Strength of Intact

    2021-5-28 · Bedrock unconfined compressive strength (UCS) is a key parameter in designing the geosciences and building related projects comprising both the underground and surface rock structures. Determination of rock UCS using standard laboratory tests is a complicated, expensive, and time-consuming process, which requires fresh core

  • Cited by: 6
  • Predicting the compressive and tensile strength of rocks

    2012-5-24 · Rock engineers have commonly used the uniaxial compressive strength (UCS) and Brazilian tensile strength (BTS) of rock for designing surface and underground structures. Determining these rock strengths is time-consuming and expensive, particularly for the preliminary studies of projects. For this reason, indirect tests such as Schmidt rebound

  • Rock Strength (Shear strength, compressive strength

    2011-3-28 · 1-F Rock Strength What is Strength? It turns out that the “strength” of a geomaterial is a highly complex subject There still remain issues on which experts are not in full agreement (e.g. scale dependency of tensile strength, “creep failure” ) Strength can be a simple measure, such as unconfined compressive strength (UCS)

  • STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1

    2006-3-19 · STRENGTH PROPERTIES OF ROCKS AND ROCK MASSES 1. INTRODUCTION 2. TESTING OF INTACT ROCK FOR STRENGTH 2.1 Uniaxial Compression 2.2 Point Load Testing 2.3 Uniaxial Tension 2.4 Indirect Tension Tests 2.5 Shear Tests 2.6 Confined Compression Tests (Triaxial Tests) 2.7 Biaxial and Multiaxial Tests 2.8 Other Tests 3. PARAMETERS AFFECTING ROCK STRENGTH 4.

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  • 8. STRENGTH OF SOILS AND ROCKS

    2009-2-23 · out for rock. In a direct tensile strength test a cylindrical rock specimen is stressed along its axis by means of a tensile force. The tensile strength is then calculated as the failure tensile force divided by the cross-sectional area. It has been found that a rock core will split along a diameter when loaded on its side in a compression machine.

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  • Estimating Rock Mass Strength BM 1997 02

    2009-1-8 · The Hoek-Brown strength criterion was applied to estimate the strength of the rock mass at the Aznalcollar open pit. It was shown that by assuming disturbed rock mass, a good agreement was found between estimated strength values and back-calculated strengths from observed slope failures in the footwall. These values are probably conservative and

  • what is the unconfined compressive strength of granite

    Ucs Rock Strength Granite. uniaxial compressive strength of granite energietourbe 2 days ago granite compressive strength sirptsciencecollege Predicting Uniaxial Compression Strength (UCS rock, uniaxial compressive strength (UCS) is considered as one of the key in characterizing between UCS and bulk density of granite and limestone sample.

  • Predicting the compressive and tensile strength of rocks

    2012-5-24 · Rock engineers have commonly used the uniaxial compressive strength (UCS) and Brazilian tensile strength (BTS) of rock for designing surface and underground structures. Determining these rock strengths is time-consuming and expensive, particularly for the preliminary studies of projects. For this reason, indirect tests such as Schmidt rebound

  • Electrical resistivity measurement to predict uniaxial

    2019-4-9 · Uniaxial compressive strength (UCS), tensile strength, resistivity, density and porosity values are given in table 2. The UCS of granite normally varies between 100 and 250 MPa. The UCS values of some granites tested lower than 100 MPa. These granites have coarse grains. The cause of the low strength may be because of the coarse grained texture.

  • Predicting Unconfined Compressive Strength of Intact

    2021-5-28 · Table 1. Some available indirect statistical/empirical relations to estimate UCS. Equation Rock type Reference UCS 0.25EH 28.14 0.75n 15.47GS 21.55RT [6] Granite, limestone, sandstone, granodiorite, and dolomite UCS 183 16 .55n Granite [13] UCS 74 .4 exp( 0.04 n) Sandstone [14]

  • Correlation between Uniaxial Compressive Strength and

    2008-6-6 · Rock engineers widely use the uniaxial compressive strength (UCS) of rocks in designing surface and underground structures. The procedure for measuring this rock strength has been standardized by both the International Society for Rock Mechanics [1] and American Society for Testing and Materials [2]. The method is time consuming and expensive.

  • Rock Strength (Shear strength, compressive strength

    2011-3-28 · 1-F Rock Strength What is Strength? It turns out that the “strength” of a geomaterial is a highly complex subject There still remain issues on which experts are not in full agreement (e.g. scale dependency of tensile strength, “creep failure” ) Strength can be a simple measure, such as unconfined compressive strength (UCS)

  • Correlation between uniaxial compressive strength

    2018-12-31 · Correlation between uniaxial compressive strength (UCS) and blasting geometry on rock excavation at PT Agincourt Resources. D R Nainggolan 1, R Sitorus 2, O N Eveny 1 and F Sariandi 1. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 212, conference 1. Download Article PDF.

  • Predicting the unconfined compressive strength of the

    2008-11-3 · 320.] reported that mining engineers request the uniaxial compressive strength (UCS) more often than any other rock property. However, standards set for specimen preparation are very demanding. Therefore it is quite di†cult and sometimes impossible to

  • compressive strength of granite rock

    Basic Rock Mechanics Basalt: 265 x 1000 kg/m3 = 2650 kg/m3 'Compressive strength' is the maximum force that can be applied to a rock sample without breaking it Units of stress Brittle strength of basaltic rock masses with applications to Venus 21 Sep 2012 Granite :: MakeItFrom,Granite is a type of common industrial natural stone It has the

  • Estimating Rock Mass Strength BM 1997 02

    2009-1-8 · The Hoek-Brown strength criterion was applied to estimate the strength of the rock mass at the Aznalcollar open pit. It was shown that by assuming disturbed rock mass, a good agreement was found between estimated strength values and back-calculated strengths from observed slope failures in the footwall. These values are probably conservative and

  • Calculating the Uniaxial Compressive Strength of

    UCS estimates derived from the model were compared with the results of UCS tests, to assess the reliability of the model. The relationship between rock properties and UCS indicates that the factors with the greatest influence on UCS are point load strength and shape facto r.

  • Predicting the compressive and tensile strength of rocks

    2012-5-24 · Rock engineers have commonly used the uniaxial compressive strength (UCS) and Brazilian tensile strength (BTS) of rock for designing surface and underground structures. Determining these rock strengths is time-consuming and expensive, particularly for the preliminary studies of projects. For this reason, indirect tests such as Schmidt rebound

  • Correlation between uniaxial compressive strength

    Uniaxial compressive strength (UCS) of rocks is an important parameter in geotechnical structure designs. Being difficult to obtain proper sample and the UCS test itself is expensive, indirect methods of estimating UCS were developed such as point load test. In this study, an attempt has been made to correlate the point load strength index (Is(50)) with the UCS for local granite.

  • PREDICTION OF UNCONFINED COMPRESSIVE

    2015-11-23 · Unconfined compressive strength (UCS) of rocks is a crucial parameter in designing geotechnical structures. Owing to difficulties in obtaining proper samples for UCS test as well as the point that conducting UCS is relatively expensive, the use of indirect methods for UCS estimation has drawn considerable attentions. This review paper is aimed to briefly highlight different proposed predictive

  • Prediction of the strength and elasticity modulus of

    2015-12-14 · The uniaxial compressive strength (UCS) and Young’s modulus (E) are important parameters in designing solutions to rock engineering problems. However, determination of these properties in the laboratory is expensive and time consuming. Therefore, many attempts have been made to estimate these properties indirectly by defining various correlations. These correlations often relate UCS

  • Rock Strength (Shear strength, compressive strength

    2011-3-28 · 1-F Rock Strength What is Strength? It turns out that the “strength” of a geomaterial is a highly complex subject There still remain issues on which experts are not in full agreement (e.g. scale dependency of tensile strength, “creep failure” ) Strength can be a simple measure, such as unconfined compressive strength (UCS)

  • Correlation between uniaxial compressive strength

    2018-12-31 · Correlation between uniaxial compressive strength (UCS) and blasting geometry on rock excavation at PT Agincourt Resources. D R Nainggolan 1, R Sitorus 2, O N Eveny 1 and F Sariandi 1. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 212, conference 1. Download Article PDF.

  • CORRELATION BETWEEN UNIAXIAL COMPRESSIVE

    2018-6-4 · A qualitative measurement of rock strength is required at both in-situ and laboratory. Civil engineer ought to know practical application of rock strength toward any rock engineering structure. Without a proper understanding of rock behavior and strength, there is a tendency for rational design of the foundations of rock engineering structures

  • SOME DRILLING PARAMETERS AS A TOOL TO PREDICT

    2014-7-5 · Uniaxial Compressive Strength (UCS) is the simplest factor for specifying the rock. The comparative efficiency of the drilling operation can be expressed by the dimensionless ratio (UCS/SE) [7]. Establishing a mean of identifying the actual rock type being drilled is still in its early stages.

  • compressive strength of granite rock

    Basic Rock Mechanics Basalt: 265 x 1000 kg/m3 = 2650 kg/m3 'Compressive strength' is the maximum force that can be applied to a rock sample without breaking it Units of stress Brittle strength of basaltic rock masses with applications to Venus 21 Sep 2012 Granite :: MakeItFrom,Granite is a type of common industrial natural stone It has the