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首页> 外文期刊>Australian Geomechanics >MINERALOGY OF SYDNEY BUILDING SANDSTONES IN RELATION TO GEOTECHNICAL PROPERTIES -1: RELATION OF QUANTITATIVE X-RAY DIFFRACTION DATA TO OTHER CHEMICAL AND PETROGRAPHIC INDICATORS
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MINERALOGY OF SYDNEY BUILDING SANDSTONES IN RELATION TO GEOTECHNICAL PROPERTIES -1: RELATION OF QUANTITATIVE X-RAY DIFFRACTION DATA TO OTHER CHEMICAL AND PETROGRAPHIC INDICATORS

机译：与地质特性-1相关的悉尼建筑砂岩的矿物学：定量X射线衍射数据与其他化学和石化指标的关系

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摘要

The SIROQUANT processing system has been used to determine, on a quantitative basis, the percentages of the clay and non-clay minerals from X-ray powder diffraction data, for a series of sandstone samples from materials previously used as dimension stone for repair or extension to heritage buildings in the Sydney area. Evaluation of the results shows them to be consistent with a number of other techniques used to evaluate rock composition, including petrographic and chemical analysis, and with separate determination of clay mineralogy by oriented-aggregate X-ray diffraction methods. The cation exchange capacity of selected samples was also evaluated, using a modification of the standard technique for soil studies, and found to be related to the total clay mineral content as evaluated by SIROQUANT, as well, to a lesser extent as the relative proportions of illite and interstratified illite/smectite in the rock samples. Use of X-ray powder diffraction as a quantitative tool provides a basis for rapid and reliable evaluation of rock mineralogy, which in turn exerts a fundamental control on rock behaviour under different geotechnical conditions. These relationships will be discussed further in the second paper of the present series.
机译：SIROQUANT处理系统已被用于从X射线粉末衍射数据中定量测定粘土和非粘土矿物的百分比，这些数据来自以前用作修整或扩建尺寸石材的材料中的一系列砂岩样品到悉尼地区的文物建筑。对结果的评估表明，它们与用于评估岩石组成的许多其他技术（包括岩石学和化学分析）以及通过定向聚集X射线衍射法对粘土矿物学的单独测定相一致。还使用改良的土壤研究标准技术对选定样品的阳离子交换能力进行了评估，发现与SIROQUANT评估的粘土矿物质总含量也有一定的相关性，但相对较小。岩石样品中的伊利石和层状伊利石/蒙脱石。 X射线粉末衍射作为定量工具的使用为快速可靠地评估岩石矿物学提供了基础，而岩石矿物学又对不同岩土条件下的岩石行为进行了基本控制。这些关系将在本系列的第二篇论文中进一步讨论。

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