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Special Feature: Original Article

Influencing Factor Analysis on Groundwater Level Fluctuation Near River

지반 및 수문특성을 고려한 하천인근 지역의 지하수위 변동 영향인자 분석

Incheol Kim1
,
Junhwan Lee1*
김 인철1
,
이 준환1*
1School of Civil and Environmental Engineering, Yonsei University, Seoul 03722, Korea
1연세대학교 사회환경시스템공학과
* 교신저자* Corresponding Author
30 June 2018. pp. 72-81
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Abstract

Groundwater level (GWL) fluctuation, which can occur due to several artificial and natural reasons, causes reduction of bearing capacity of foundation structures and can lead settlement of ground. As a result, GWL fluctuation affects stability and serviceability of entire building. However, in many case, GWL is considered as fixed value that obtain from geotechnical investigations. That is reason that GWL fluctuation is considered as area of non-geotechnical engineering. In present study, factors causing GWL fluctuation were analyzed at urban and rural area as preliminary research of quantification of GWL fluctuation. GWL varies according to hydrological and geographical characteristics. Also, the influence factors are largely affected by hydrological and geographical characteristics.

Keywords
Groundwater level fluctuation
Influence factors
Rural area
Urban area

지하수위는 자연적 또는 인위적 요인들로 시･공간적 변동성을 나타내게 된다. 지반공학적 측면에서 지하수위의 변동성은 기초구조물의 지지력 감소 및 추가적인 침하 등을 발생시킴으로써 전체 구조물의 안정성 혹은 사용성에 영향을 미칠 수 있다. 설계과정에서 적용되는 지하수위는 지반조사 과정 중 현장시험을 통해 측정된 고정 수위를 기반으로 결정되나, 실질적으로 강우조건, 지반의 종류, 도심 포장률 등 다양한 영향인자에 따라 연중으로 변동하는 패턴을 보이게 된다. 본 연구에서는 대부분 인간활동의 영역이 되어 있는 하천인근 지역을 대상으로, 지하수위 변동성과 이에 대한 영향인자를 조사 분석하고자 하며, 이는 궁극적으로 보다 합리적 지반구조물 설계가 가능토록 하기 위함이다. 지하수위 변동이 크게 발생할 것으로 예상되는 도심지역과 도외지역을 대상으로 지하수위 변동에 관한 영향요소를 분석하였다. 지하수위 변동은 도심지역과 도외지역의 수문 및 지질 특성에 따라 상이한 양상을 보였으며 변동에 영향을 미치는 인자 또한 대상지역의 지질 특성에 따라 다른 것으로 나타났다.

키워드
지하수위변동
영향인자
도심지역
도외지역
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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 5
  • No :2
  • Pages :72-81
  • Received Date : 2018-06-19
  • Revised Date : 2018-06-21
  • Accepted Date : 2018-06-25
  • DOI :https://doi.org/10.17820/eri.2018.5.2.072
Journal Informaiton Ecology and Resilient Infrastructure Ecology and Resilient Infrastructure
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