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KMID : 1156220070330040325
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Journal of Environmental Health Sciences
2007 Volume.33 No. 4 p.325 ~ p.337
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Effects of Seawater and Air Pollutants on Stone Cultural Properties: Three-Story Stone Pagodas in Gameunsa Temple Site
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Jung Jong-Hyeon
Son Byung-Hyun
Jung Min-Ho
Leem Heon-Ho
Kim Kyung-Won
Kim Hyun-Gyu
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Abstract
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The effect of seawater and air pollutants on the three-story stone pagodas on Gameunsa Temple Site have been studied in order to establish conservation basic plan. Also, an experimental study has been conducted to evaluate the effect of seawater salt and air pollutants on the weathering of granite. The results could be summarized as follows. Because the three-story stone pagodas on Gameunsa Temple Site are located outdoors, the external appearance has been largely deteriorated due to natural and artificial factors such as typhoon, wind, microorganisms, moisture, extreme change in temperature, air pollutants, and seawater, etc. When G.J fresh granite was dipped into the seawater, dissolution rate of three minerals (Mg, Ca, and K) are increased linearly until about 40 days and then increased abruptly. After seawater dipping experiments, the mineral compositions of the granite surface were lower then that of the G.J fresh granite but Poisson’s ratio and absorption ratio were slightly increased. Therefore, from these results we can say that stone cultural properties could be weathered by seawater and air pollutants and it’s considered being a meaningful experiment to study the conservation method of stone cultural properties from seawater.
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KEYWORD
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Gameunsa Temple Site, three-story stone pagodas, seawater, weathering, salt content, granite, absorption ratio, stone cultural property
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