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암반사면 안정 해석을 위한 강도정수 산정 사례연구
Case Studies on Determination of Strength Parameters for the Analysis of Rock Slope Stability 원문보기

지질공학 = The journal of engineering geology, v.30 no.1, 2020년, pp.85 - 101  

김학준 (대전대학교 건설안전방재공학과) ,  정준호 (한국건설기술연구원 도로관리통합센터)

초록
AI-Helper 아이콘AI-Helper

강도정수의 산정은 암반사면의 안정성 해석에 매우 중요하다. 강도정수를 결정하는 다양한 방법들이 여러 연구자들에 의하여 제안되었다. 암반사면의 안정성 해석을 위하여 강도정수 결정에 사용된 방법들의 빈도를 문헌조사를 통하여 조사하였다. 특히 파괴유형에 따른 강도정수 결정방법의 빈도수를 조사하였다. 사례연구를 통하여 암석과 불연속면의 점착력마찰각의 값을 조사하여 RMR값과 함께 제시하였다. 연구 결과에 의하면 점착력은 내부마찰각과 비교하여 상당히 큰 범위를 보였다. RMR은 점착력과는 상관관계를 보이지 않았으나 마찰각과는 뚜렷한 상관관계를 보였다. 파괴유형에 따라 강도정수 결정을 위하여 적절한 방법이 사용되어야 하며 문헌조사를 통하여 결과를 검증해야 한다. 향후 각 지역별로 역해석을 통하여 파괴가 발생한 사면에 대한 강도정수 자료가 축적된다면 강도정수 결정의 신뢰성이 향상될 것으로 기대한다.

Abstract AI-Helper 아이콘AI-Helper

The estimation of strength parameters is very important for the stability analysis of rock slopes. Various methods for the determination of strength parameters were suggested by various researchers. The number of methods used for the estimation of strength parameters in the stability analysis of roc...

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표/그림 (16)

AI 본문요약
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* AI 자동 식별 결과로 적합하지 않은 문장이 있을 수 있으니, 이용에 유의하시기 바랍니다.

문제 정의

  • 그러나 암반사면의 강도정수는 절리나 층리 등의 불연속면 존재, 예상 파괴면의 풍화 정도의 불균일성, 암석 자체의 불균질성 등의 다양한 변수로 인하여 측정하기가 어렵다. 따라서 본 연구에서는 국내에서 이용되고 있는 암반사면 안정해석에서 강도정수의 적용사례 분석을 통하여 강도정수 결정의 현황 및 문제점을 파악하고 개선방안을 제안하고자 한다.
  • 본 연구에서는 국내 암반사면의 안정성 해석을 위한 강도정수 결정에 사용된 방법들의 빈도를 40개의 문헌조사를 통하여 조사하였다. 본 연구로부터 얻어진 결과는 다음과 같다.
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참고문헌 (50)

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