Volumetric Joint Count Definition
correlatıon rqd – volumetrıc joınt count
The 3-dimensional block volume Vb and the volumetric joint count Jv measurements.. Jv is defined as the number of joints intersecting a volume of one m³.
1982
THE VOLUMETRIC JOINT COUNT - A USEFUL AND SIMPLE MEASURE OF THE DEGREE. This definition of degree of jointing Jv takes into account in an.
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Furthermore, the global volumetric joint count is defined and related analytically to the nonhomogeneity coefficients in different directions. Finally, relevant.
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The volumetric joint count J has been described by palmstrom 1982, 1985, It is a measure for the number of joints within a unit volume of rock mass defined.
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difficult to identify sets and correct spacings in the field. 2.2 Volumetric Joint Count. The Volumetric Joint Count Jv is defined as the sum of the number of joints.
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Abstract：. The joint space or frequency are more suitable for the definition of volumetric joint count Jv in the Code of Engineering Rock Mass Classification.
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2.4 Block volume Vb calculated from the volumetric joint count Jv number of joints within a unit volume of rock mass, defined by 3S. 1. 2S. 1. 1S. 1. Jv. +. +.
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index by means of the volumetric joint count definition. Statistical models are derived analytically by assuming that three sets of fractures at different directions.
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of 45 points, defined by the approximate intersection of the GSI = 45 line on the. to the Volumetric Joint Count, Jv, a measure of the number of joints crossing a .
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The clear and concise definitions and the practical comments included in these descriptions are. The use of the volumetric joint count can be quite useful in.
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The degree of fracturing of a rock mass is controlled by the number of joint in a classified by the volumetric joint count, Jv, defined as number of joint per m3.
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Weighted joint density wJd. Block volume. Vb. Block volume. Vb. Volumetric joint count Jv. Measurements on drill cores. Measurements in rock surfaces.
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generally defined by dip angle inclination, dip direction facing or strike. Block size can be classified by the volumetric joint count, Jv, defined as number of.
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Determination of volumetric joint count based on 3D fracture network and its A definition of the term volumometer is presented, which refers to a device for.
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addition, joint count was performed on the tunnel face in each observation point. For each observation point, volumetric joint count Jv, which is defined as the.
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[5], and Ulusay and ve Sönmez [6] defined the geometry of the discontinuity The volumetric joint count is described as the number of joints.
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purpose of the block size index is to represent the average dimensions of 4.2 Volumetric joint count Jv is defined as the sum of the number of joints per.
measurement and analysis of blast fragmentation
For this purpose, a quarry was chosen as the study area and properties of discontinuities were. Statistical evaluation of the volumetric joint count values.
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2.4.2 for definitions of P1 0, P21 and P32. 22 fracture count simulations for each of the classification groups. 85.. Volumetric joint count is defined as the.
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Volumetric joint count JV : Jv is defined as the number of joints intersecting a volume of one m³.When no core is available but discontinuity.