Petrophysical and mechanical properties of the Struganik limestone (Vardar zone, Western Serbia)

V. Gajić, V. Matović, N. Vasić, Danica Srećković-Batoćanin
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引用次数: 15

Abstract

The Struganik limestone has been increasingly popular in recent years for interior and exterior building applications, due to easy workability, low cost and multi purpose suitability. The quality of limestone is determined by its mineralogical and textural characteristics and physico-mechanical properties. The Struganik stone corresponds to marl, clayey limestone and limestone (micritic and allochemical). The limestone is commonly layered, either thinly bedded or banked. Chert concretions are present in all varieties. The Upper and the Lower Campanian age were deduced by the abundant foraminifers. Micrite limestone is an autochthonous rock generated in a deep marine environment, whereas allochemical limestone is related to a shallow marine environment but subsequently brought into a deep-water system. The mass quality of the Struganik limestone is controlled by variability of lithology and layering. The values of physico-mechanical properties, such as density, porosity, water absorption and strength, were statistically analyzed and the obtained data were used to assess the rock quality in the quarry. The relationship among the quantified properties is described by regression analyses and the equations of the best-fit line. The Struganik limestone was qualified by its petrological and engineering properties coupled with statistical analysis. It satisfies the majority of the requirements of the Main National Standard as a decorative stone, but with a limiting factor regarding abrasive resistance.
塞尔维亚西部Vardar地区Struganik石灰岩岩石物理力学性质
近年来,由于易于加工、低成本和多用途适用性,Struganik石灰石在室内和室外建筑应用中越来越受欢迎。石灰石的质量是由其矿物学特征、结构特征和物理力学性能决定的。斯特鲁加尼克岩对应泥灰岩、粘土灰岩和灰岩(泥晶灰岩和异化学灰岩)。石灰岩通常呈层状,或呈薄层状,或呈堆积状。燧石结块存在于所有品种中。通过丰富的有孔虫推断出上、下坎帕尼亚时代。泥晶灰岩是在深海环境中形成的原生岩,而异化学灰岩则与浅海环境有关,但后来被带入深水体系。斯特鲁加尼克石灰岩的质量受岩性和层理变化的控制。对岩石的密度、孔隙率、吸水率和强度等物理力学性能进行了统计分析,并利用所得数据对采石场的岩石质量进行了评价。通过回归分析和最佳拟合线方程来描述量化特性之间的关系。通过岩石学和工程性质结合统计分析,确定了斯特鲁加尼克灰岩。作为装饰石材,它满足国家主要标准的大部分要求,但在耐磨性方面存在限制因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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