| Title |
Uniaxial Compressive Strength to Various Physical Properties Including Total Porosity of Volcanic Rocks in Jeju Island |
| Authors |
양순보(Yang, Soonbo) ; 문경태(Moon, Kyoungtae) ; 박상렬(Park, Sangyeol) ; 부상필(Boo, Sangpil) |
| DOI |
https://doi.org/10.12652/Ksce.2024.44.6.0817 |
| Keywords |
겉보기비중; 건조밀도; 흡수율; 총 공극률; 일축압축강도; 화산암 Bulk specific gravity; Dry density; Absorption; Total porosity; Uniaxial compressive strength; Volcanic rocks |
| Abstract |
Jeju volcanic rock has a porous structure with irregularly developed vesicles of varying sizes and shapes, resulting from factors such as the physical properties of lava and its flow and cooling processes. Moreover, its mechanical properties exhibit regional variations. In this study, various laboratory tests were conducted on volcanic rock specimens from the northern part of Jeju Island. The relationships between various physical properties, including total porosity, and their correlations with uniaxial compressive strength were examined. The results confirmed that the relationship between absorption and bulk specific gravity of the Jeju volcanic rocks can be divided into two linear relationships (Linear Regression (1) and Linear Regression (2)). In contrast, there was a single linear relationship between total porosity and bulk specific gravity (or dry density) of the Jeju volcanic rocks. Regarding the relationships between uniaxial compressive strength and both bulk specific gravity and absorption of the Jeju volcanic rocks, each rock corresponding to either Linear Regression (1) or Linear Regression (2) exhibited different behaviors. However, unlike the above results, the relationship between
uniaxial compressive strength and total porosity showed a single correlation, regardless of the two linear relationships between absorption and bulk specific gravity. |