A new approach for the prediction of brittleness index based on chemical properties of basaltic rocks

IF 0.9 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Acta Geodynamica et Geomaterialia Pub Date : 2021-05-12 DOI:10.13168/AGG.2021.0020

C. Bilen

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引用次数: 0

Abstract

Rock brittleness is one of the most important issues in rock mechanics. There is not yet an available method for defining or measuring directly the rock brittleness. The aim of this study is to suggest a new chemical index parameter for the prediction of basaltic rocks’ brittleness. In the order of that abovementioned purpose, a total of 23 basaltic rock samples were collected from different region of Turkey. Samples were initially tested to determine their chemical properties. Then, mechanical tests were carried out to define the brittleness indices (B1, B2, and B3) for each corresponding sample. Finally, relations between parameters obtained from test results and brittleness indices were examined with regression analysis. According to the results obtained, a new chemical parameter (CP) was proposed for predicting brittleness via major oxide element components of basaltic rocks. It was found out that, B1 and B2 are not reliable parameters for predicting the different properties, however; B3 and CP can be employed as good criteria for predicting the different properties of basaltic rocks (especially in terms of chemical and mechanical properties). ARTICLE INFO

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基于玄武岩化学性质的脆性指数预测新方法

岩石脆性是岩石力学中的重要问题之一。目前还没有一种确定或直接测量岩石脆性的有效方法。本研究的目的是提出一种新的化学指标参数，用于预测玄武岩的脆性。按照上述目的的顺序，从土耳其不同地区共收集了23个玄武岩样品。首先对样品进行测试，以确定它们的化学性质。然后进行力学试验，确定相应试样的脆性指标(B1、B2、B3)。最后，用回归分析方法对试验结果参数与脆性指标之间的关系进行了检验。在此基础上，提出了一种新的化学参数(CP)，用于玄武岩主要氧化元素组分的脆性预测。结果表明，B1和B2不是预测不同性质的可靠参数;B3和CP可以作为预测玄武岩不同性质(特别是化学和力学性质)的良好标准。条信息

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来源期刊

Acta Geodynamica et Geomaterialia 地学-地球化学与地球物理

CiteScore

2.30

自引率

0.00%

发文量

期刊介绍： Acta geodynamica et geomaterialia (AGG) has been published by the Institute of Rock Structures and Mechanics, Czech Academy of Sciences since 2004, formerly known as Acta Montana published from the beginning of sixties till 2003. Approximately 40 articles per year in four issues are published, covering observations related to central Europe and new theoretical developments and interpretations in these disciplines. It is possible to publish occasionally research articles from other regions of the world, only if they present substantial advance in methodological or theoretical development with worldwide impact. The Board of Editors is international in representation.