Core Strangle Test Rock Ucs

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  • Performance of Core Strangle Test CST on Porous Rocks

    Performance Of Core Strangle Test Cst On Porous Rocks

    Apr 19, 2018 The Core Strangle Test CST has been proposed in 2009 by author as an index test permitting indirect estimation of the Uniaxial Compressive Strength. In this test, load is applied through a circle perpendicular to the core axis as a strangle. The mentioned advantage of the experiment is the possibility of testing quite short rock cores on which the UCS experiment cannot be performed. In the ...

  • Use of the core strangle test for determining strength

    Use Of The Core Strangle Test For Determining Strength

    Feb 01, 2014 The core strangle test Fig. 6 was intended by Yilmaz 21 as an index test for the strength classification of rock materials, and for determination of unconfined compressive strength. The test measures the Core Strangle Index CSI of rock samples in the form of core having a length of 25 mm or more, and rock samples are broken by the load ...

  • What is CST Core Strangle Test How does it work

    What Is Cst Core Strangle Test How Does It Work

    The Core Strangle Test CST is intended as an index test for the strength classification of rock materials, and for determination of unconfined compressive strength. The test measures the Core ...

  • A new testing method for indirect determination of the

    A New Testing Method For Indirect Determination Of The

    Dec 01, 2009 A new testing method for the indirect determination of unconfined compressive strength UCS of rock core samples is presented. As known, there exist several methods for indirect estimation of UCS, such as point load index I s, Schmidt hammer, sonic velocity, block punch strength test, etc.Although the point load index testing method is widely used to estimate UCS, there are many

  • Unconfined Compression Test

    Unconfined Compression Test

    The Unconfined Compression Test is a laboratory test used to derive the Unconfirmed Compressive Strength UCS of a rock specimen. Unconfirmed Compressive Strength UCS stands for the maximum axial compressive stress that a specimen can bear under zero confining stress.

  • Use of the core strangle test for determining strength

    Use Of The Core Strangle Test For Determining Strength

    In this test, load is applied through a circle perpendicular to the core axis as a strangle. The mentioned advantage of the experiment is the possibility of testing quite short rock cores on which ...

  • USING THE POINT LOAD TEST TO DETERMINE THE

    Using The Point Load Test To Determine The

    lump. The axial and diametral tests are conducted on rock core samples. In the axial test, the core is loaded parallel to the longitudinal axis of the core, and this test is most comparable to a UCS test. The point load test allows the determination of the uncorrected point load strength index Is. It

  • Predicting Unconfined Compressive Strength of Intact

    Predicting Unconfined Compressive Strength Of Intact

    rock mass or intact rock strength including the Equotip hardness tester 7, block punch index test 8, core strangle test 9, nail penetration test 10, and edge load strength test 11 that require a large number of rock samples with a precise size. Indeed, specific core specimens, i.e. cubical or cylindrical

  • A NEW TESTING METHOD FOR DETERMINATION OF

    A New Testing Method For Determination Of

    were then conducted and relationships between UCS with I s50 and CST were empirically explained and discussed in a point of the view of the usefulness of the method developed. Performance of indirect estimation of tensile strength of rocks from Core Strangle Test CST, and potential use of Core Strangle Index CSI in rock mass ...

  • A Validation Study for the Estimation of Uniaxial

    A Validation Study For The Estimation Of Uniaxial

    Jun 07, 2019 Yilmaz I 2010 Use of the Core Strangle Test for tensile strength estimation and rock mass classification. Int J Rock Mech Min Sci 475845850. Article Google Scholar Yilmaz I, Yucel 2014 Use of the core strangle test for determining strength anisotropy of rocks. Int J Rock

  • ASTM D7012 14e1 Standard Test Methods for Compressive

    Astm D7012 14e1 Standard Test Methods For Compressive

    5.2 Method C, uniaxial compressive strength of rock is used in many design formulas and is sometimes used as an index property to select the appropriate excavation technique. Deformation and strength of rock are known to be functions of confining pressure. Method A, triaxial compression test, is commonly used to simulate the stress conditions under which most underground rock masses exist.

  • Performance of Core Strangle Test CST on Porous Rocks

    Performance Of Core Strangle Test Cst On Porous Rocks

    Apr 19, 2018 The Core Strangle Test CST Fig. 2 which was developed and suggested by Yilmaz is an index test and mainly unconfined compressive strength is indirectly determined when core samples having a sufficient height cannot be obtained because of the rock mass properties. This test is also useful for determination of tensile strength and strength classification of rock materials.

  • Use of the core strangle test for determining strength

    Use Of The Core Strangle Test For Determining Strength

    Feb 01, 2014 The core strangle test was intended by Yilmaz as an index test for the strength classification of rock materials, and for determination of unconfined compressive strength. The test measures the Core Strangle Index CSI of rock samples in the form of core having a length of 25 mm or more, and rock samples are broken by the load applied through a circle perpendicular to the core axis

  • What is CST Core Strangle Test How does it work

    What Is Cst Core Strangle Test How Does It Work

    CST Core Strangle Test is a new indirect testing apparatus for determination of rock material strength. The basis of the proposed testing method partly depends on the indirect determination of...

  • A NEW TESTING METHOD FOR DETERMINATION OF

    A New Testing Method For Determination Of

    The principle of this test depends on the strangle type of loading a core along a circle perpendicular to the core axis. In the first stage of the studies, blocks of different type of rocks having the strength in a range from weak to strong were collected and cored for UCS, Point Load Index and CST tests. These tests were then conducted and relationships between UCS with I s50 and CST were

  • A new testing method for indirect determination of the

    A New Testing Method For Indirect Determination Of The

    Dec 01, 2009 The core strangle test is intended as an index test for the strength classification of rock materials, and for determination of unconfined compressive strength. The test measures the core strangle index CSI of rock specimens in the form of core having a length of 25 mm or more, and rock specimens are broken by the load applied through a circle perpendicular to the core axis as a strangle.

  • Use of the core strangle test for determining strength

    Use Of The Core Strangle Test For Determining Strength

    The Core Strangle Test CST has been proposed in 2009 by author as an index test permitting indirect estimation of the Uniaxial Compressive Strength.