This analysis demonstrates the effects of mineral composition and porosity on weathered limestone, indicating significant engineering implications.
This study investigates the porosity and mineral composition of tropical weathered limestone using a comprehensive approach that integrates thin section and petrography analysis. This weathering process predominantly involves chemical dissolution by acidic rainwater, which gradually alters the mineral composition and physical structure of limestone. There are few testings that has been conducted to achieve the objective of this study such as Rebound Hammer Test, Uniaxial Compressive Strength (UCS), Xray Fluorescent (XRF), Mercury Intrusion Porosimetry (MIP) and thin section and petrographic analysis. The objective of this study is to determine the engineering properties of weathered limestone and chemical composition of the weathered limestone. This study also examines how porosity and mineral composition affect weathered limestone engineering qualities. Rock specimen strength and weathering grade were measured using the rebound hammer test to corroborate this analysis. The indings highlight the intricate interrelationship between the mechanical behaviour of the limestone, its degree of weathering, and underlying geological characteristics. These insights are essential for understanding the long-term performance and durability of weathered limestone in engineering applications, particularly in regions where tropical climates accelerate rock degradation.
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Hamzah et al. (2025) studied this question.