Saturation influence on reduction of compressive strength for carbonate dimension stone in Croatia

Scientific paper - Original scientific paper

• Author: Zlatko Briševac
• Author: Ana Maričić
• Author: Trpimir Kujundžić
• Author: Petar Hrženjak
• Author's institution: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mineralogy, Petrology and Mineral Resources)
• Author's institution: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Mining and Geotechnical Engineering)
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mining, Petroleum and Geology Engineering

Abstract (english)

Dimension stone is a valuable mineral raw material whose importance is increasing worldwide. According to its mineralogical and petrographical composition, Croatian dimension stone belongs to the carbonates, primarily limestones. As saturation influences the reduction of compressive strength, in this study, the relationship between the uniaxial compressive strength in the dry and saturated states is shown, which has a coefficient of determination of 0.9605. Models were created to estimate the compressive strength based on the values of water absorption, total porosity, and real density of the material from 26 sites, all determined according to the European standards EN 1936:2006 and EN 13755:2008. Thirty varieties of dimension stones were tested, and 150 values were collected from different tests. A dependence between the uniaxial compressive strength in the saturated state was established, including the explanation in which cases the correlation can be used to estimate the uniaxial compressive strength of carbonate dimension stones with a remarkably high degree of confidence (0.994 and 0.9374). In addition, the limitations of geomechanical estimation of the uniaxial compressive strength of rock material and its unsuitability for estimating of dimension stones construction are described.

• Keywords (english): dimension stone; limestone; uniaxial compressive strength; wet/dry ratio; estimation
• Language: english
• Publication type: Scientific paper - Original scientific paper
• Publication status: Published
• Peer review: Peer review - international
• Publication version: Published version
• Journal title: Minerals
• Numbering: vol. 13, no. 11, 1364
• e-ISSN: 2075-163X
• DOI: https://doi.org/10.3390/min13111364
• URN:NBN: urn:nbn:hr:169:616110
• Publication: 2023-10-26
• Document URL: https://www.mdpi.com/2075-163X/13/11/1364
• Type of resource: Text
• Access conditions: Open access
• Created on: 2025-02-11 12:14:36