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정두영,최길열,이병석,Jeong, Du-Yeong,Choe, Gil-Yeol,Lee, Byeong-Seok 한국지반공학회 1986 대한토질공학회지 Vol.2 No.3
점성토인 실트질점토(CL)와 사질토인 사질실트(SM)의 시료토에 Ca계의 소석회, Al계의 황산알미늄 첨가제로 안정처리한 결과 Ca계에 있어서는 실트질점토의 경우 알민산칼슘수화물과 탄산칼슘이 반응생성 되었으며 사질실트의 경우에는 탄산화알민산칼슘수화물과 탄산칼슘이 반응생성 (반도생성)되었고 Al계의 첨가 처리 경우에서는 실트질점토와 사질실트 모두에서 산화암미늄이 생성되어 있음을 X-선 회절분석에 의한 구조적 특성을 비교함으로써 확인되었고 이들 안정처리 효과로서 일축압축강도가 Ca계의 경우는 크게 증가하였으나 Al계의 경우에서는 거의 증가가 없었다. The results of stabilization process in silty.clays and sand-silts, which were, respectively, treated with Calcium hydroxide of the Calcium series and Aluminium Sulphate of the Aluminium series are follows. 1) In the former case used calcium hydrate and calcium cabonate for silty-clays, calcium aluminnium cabonate oxide hydrate and calcium carbonate for sandy-silts were produced 2) In the latter case used Aluminium Sulphate, by X-ray diffraction test, it was found that Aluminium Oxide was produced both in silty-clays and sandy-silts 3) As the results of stabilization process, in the former case, unconfined compression strength was increased greatly but in the latter case it was little increased.
崩積土의 風化度가 自然斜面의 進行性 崩壞에 미치는 影響
鄭斗永,崔吉烈,李廣俊 全北大學校 1990 論文集 Vol.32 No.-
This study is an investigation of the influence of weathering degree on progressive failure slope. The clay mineral is kaolinite in failure soil layer which distributed in Granite - Schist rock zone of the Mesozic era and the thick of it is less than 3mm in heavy weathered soils, and so the failure form is friction type. The failure layer is sandy soils which have limited influence elements in sliding movement, and so the failure type is collapse type and bed rock failure type. The relationship between Ig-loss and saturation degree is an inverse proportion in characteristics of failure soils, and the saturation degree in laboratory sliding model increase about 78% to 85% and the effective porosity is deduced in 28% to 35%. The steady pore pressure(+) which produced according to rainfall time have more effective elements under the influence of precedent rainfall or concentrating precipitation on pointed day than weathering condition of failure soils, because the heavy weathered layer and rock-cracking layer is non-development state.