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Neutrosophic Functions of the Joint Roughness Coefficient and the Shear Strength: A Case Study from the Pyroclastic Rock Mass in Shaoxing City, China

机译:联合粗糙度系数和抗剪强度的中智功能:以绍兴市碎屑岩质为例

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摘要

Many studies have been carried out to investigate the scale effect on the shear behavior of rock joints. However, existing methods are difficult to determinate the joint roughness coefficient (JRC) and the shear strength of rock joints with incomplete and indeterminate information; the nature of scale dependency of rock joints is still unknown and remains an ongoing debate. Thus, this paper establishes two neutrosophic functions of the JRC values and the shear strength based on neutrosophic theory to express and handle the incomplete and indeterminate problems in the analyses of the JRC and the shear strength. An example, including four rock joint samples derived from the pyroclastic rock mass in Shaoxing city, China, is provided to show the effectiveness and rationality of the developed method. The experimental results demonstrate that the proposed neutrosophic functions can express and deal with the incomplete and indeterminate problems of the test data caused by geometry complexity of the rock joint surface and sampling bias. They provide a new approach for estimating the JRC values of the different-sized test profiles and the peak shear strength of rock joints.
机译:已经进行了许多研究来研究尺度对岩石节理的剪切行为的影响。然而,现有的方法很难用不完整和不确定的信息来确定节理粗糙度系数(JRC)和岩石节理的抗剪强度。节理的尺度依存性仍然未知,并且仍在争论中。因此,本文基于中智理论,建立了JRC值和抗剪强度两个中智函数,以表达和处理JRC和抗剪强度分析中的不完全和不确定的问题。以中国绍兴市火成岩岩体的四个岩缝样本为例,说明了该方法的有效性和合理性。实验结果表明,所提出的中智功能可以表达和处理由岩石节理面的几何复杂度和采样偏差引起的测试数据的不完全和不确定的问题。他们提供了一种新方法,用于估算不同尺寸的试验曲线的JRC值和节理的峰值剪切强度。

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  • 来源
    《Mathematical Problems in Engineering》 |2016年第5期|4825709.1-4825709.9|共9页
  • 作者单位

    Shaoxing Univ, Key Lab Rock Mech & Geohazards, Shaoxing 312000, Zhejiang, Peoples R China;

    Shaoxing Univ, Key Lab Rock Mech & Geohazards, Shaoxing 312000, Zhejiang, Peoples R China;

    Shaoxing Univ, Key Lab Rock Mech & Geohazards, Shaoxing 312000, Zhejiang, Peoples R China;

    Shaoxing Univ, Key Lab Rock Mech & Geohazards, Shaoxing 312000, Zhejiang, Peoples R China;

    Shaoxing Univ, Key Lab Rock Mech & Geohazards, Shaoxing 312000, Zhejiang, Peoples R China;

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