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A study on the Surface Cracks in the West Stone Pagoda of Gameunsa Temple Site, Gyeongju, Korea: Examples from the second story stone body and the third story capstone  

Jwa, Yong-Joo (Department of Earth & Environmental Sciences, Gyeongsang National University)
Kim, Jae-Hwan (Department of Earth & Environmental Sciences, Gyeongsang National University)
Park, Sung-Cheol (Department of Earth & Environmental Sciences, Gyeongsang National University)
Publication Information
The Journal of the Petrological Society of Korea / v.17, no.4, 2008 , pp. 238-244 More about this Journal
Abstract
The west stone pagoda of Gameunsa temple site(National Treasure No. 112) has been seriously damaged by surface weathering, and conservation treatment is needed. In the second story body stone, vertical cracks developed parallel to the main compressional axis. The vertical cracks seem to grow much more with the compression. Chemical and biological weathering along the vertical cracks could have enhanced the crack growth. In the third story capstone, the surface cracks strike toward NE and NW directions, which are intersecting each other. In the eastern and southern parts of the third story capstone, lots of vertical cracks develop along the lines from the axial center to outer rim, whereas horizontal cracks are easily observed at the outer rim of the capstone. On the other hand, a few horizontal cracks develop in the western and northern parts of the third story capstone. This fact indicates that the compression along the vertical axis is not uniform in direction. The west stone pagoda leans toward the east and the south, so it is considered that compression by deviatoric stress prevailed at these directions.
Keywords
Gameunsa; stone pagoda; stone body; capstone; surface cracks; compression;
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Times Cited By KSCI : 1  (Citation Analysis)
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