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Strength Characteristics of Rammed Earth Using Hwangtoh Binder
황혜주,양준혁 한국건축시공학회 2013 한국건축시공학회지 Vol.13 No.1
There has recently been a great deal of research into the appropriate building materials for eco-friendly construction. In the field of earth architecture, there have been walls made of pure earth or with rammed earth including a small amount of cement. The purpose of the study is to investigate the possibility increasing compressive strength through a more eco-friendly composition by using Hwangtoh binder rather than cement to increase the strength performance of rammed earth. It was found that the more the ratio of binder was increased, the more the strength was increased,but enhancement did not increase noticeably in the lower part that did not compact completely, and proper height to pour earth is 200 mm. When stone dust was added, compressive strength was lower than when adding fine aggregate and coarse aggregate, but a finer surface texture was provided.
황토결합재를 이용한 콘크리트의 적정배합 도출에 관한 연구
황혜주,노태학,양준혁 대한건축학회 2007 大韓建築學會論文集 : 構造系 Vol.23 No.6
The purpose of this study is to test the optimum mix design of the concrete using hwangto binders that did not add to cement and chemical goods. The test results of this study are as follows.
방문판매 화장품 뷰티카운셀러들의 교육경로와 실태에 관한 연구
황혜주,임진숙,Hwang, Hea-Ju,Lim, Jin-Sook 한국컴퓨터산업학회 2007 컴퓨터産業敎育學會論文誌 Vol.8 No.4
본 연구는 방문판매를 담당하는 뷰티카운셀러들을 대상으로 직업만족도와 전문성에 대한 사고를 파악하고, 뷰티카운셀러들의 제품에 대한 실무 교육 경로와 실태, 매출과의 상관관계를 파악하여 향후 경쟁력 있는 뷰티카운셀러를 만들어 가는데 도움이 되고자 하였다. 분석기법으로는 연구대상자의 일반적 특성을 파악하기 위하여 빈도와 백분율을 산출하였다. 또한 화장품 카운슬러들의 근무현황과 카운슬러의 교육경로 및 실태, 카운슬러 실무에 관한 교육내용, 그리고 카운슬러의 교육방법 및 필요성에 대한 카운슬러들의 인식을 알아보기 위해 $x^2$(Chi-square)검증과 빈도분석, t-test(검증), 그리고 One-way ANOVA(일원변량분석)을 실시하였다. 연구결과 화장품 판매를 위하여 전문적인 교육을 받은 뷰티카운셀러가 필요한 것 등을 얻을 수 있었다. The study aimed at examining ideas about specialty and general job satisfaction among beauty counsellors in charge of door-to-door sales and at considering current channels of practical education concerning products for beauty counsellors, its actual conditions, and correlation with the amount of sales in order to help cultivate a competitive beauty counsellor for the future. To find out general properties of subjects, both frequency and percentage were estimated. And in order to examine counsellors' understanding of channels and realities of their education and their working conditions, educational contents on practices, and educational methods and need, $x^2$(Chi-square) test, frequency analysis, t-test, and one-way ANOVA were carried out. The results can know as follows that beauty counselling in charge of cosmetics sales is a profession to need expertise and so no.