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논문 기본 정보

자료유형
학술저널
저자정보
윤설민 (한국건설기술연구원) 함세영 (부산대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제33권 제4호
발행연도
2024.4
수록면
269 - 277 (9page)
DOI
10.5322/JESI.2024.33.4.269

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초록· 키워드

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Scientific forensic techniques are used to verify environmental impact of groundwater pollution, surface water pollution, air pollution, noise, and vibration according to residents’ complaints in connection with construction and civil engineering works. In this study, we investigated the contamination of groundwater and the lowering of the groundwater level in an area surrounding a tunnel excavation site for the Andong-Yeongdeok national road, using a forensic hydrogeological technique. We reviewed the groundwater level and water quality of well GW1 in the area surrounding the tunnel excavation site as well as tunnel construction information and then we analyzed the correlations among the obtained data. Before tunnel excavation, the water level of well GW1 was lower than the tunnel elevation. Considering the relationship between the precipitation, tunnel discharge, tunnel depth, and groundwater level of well GW1, the groundwater flowed from the tunnel to well GW1. Moreover, the tunnel discharge and groundwater levels were not related to each other. The pH of well GW1 was 8.4 before tunnel excavation. During excavation, the pH declined to 8.1 ̶ 8.2 at the beginning, and increased to 8.8 at the end of the excavation. The fluorine concentration in well GW1 was 2.49 ㎎/L, 1.91-3.22 ㎎/L, and 1.7-2.67 ㎎/L, respectively, before, during, and after the excavation. The sulfate ion concentration was very high, over 2,000 ㎎/L, before and during the excavation; after the excavation, it was between 200 and 323 ㎎/L. Turbidity was 1.47, 10.5, and 4.51 NTU before, during, and after tunnel excavation, respectively. Therefore, the excavation of this tunnel is not related to the groundwater quality of well GW1.

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Abstract
1. 서론
2. 연구지역
3. 연구결과
4. 결론
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