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炭素纖維補强板에 의한 콘크리트 龜裂의 補修補强에 관한 基礎的 硏究
崔鳳鎭,文鍾健,宋河永,金乙鏞 大田産業大學校 1998 한밭대학교 논문집 Vol.15 No.1
Recently, it has been reported frequently that there exist early-stage deterioration such as cracking, scaling in many concrete structures due to the defect of construction and the environmental pollution. This paper was designed to evaluate the effectiveness of carbon fibre reinforced strips (CFRS) methods attached on cracks in concrete in order to repair and rehabilitate the damaged concrete structures mixed by 3 kinds of water-cement ratio and 2 kinds of aggregate. The test results presented that the CFRS method attached on the bottom of cracked concrete specimen appeared the most effective properties.
再生骨材 콘크리트의 特性에 미치는 잔골재 混合의 影響에 關한 實驗的 硏究
李正熙,宋河永,文鐘健,趙明元 大田産業大學校 1997 한밭대학교 논문집 Vol.14 No.1
It is becoming increasing1y difficult and expensive for construction contractors not only to dispose of building waste and demolition rubble but also to obtain natural aggregates of good quality for concrete product and building construction. As one of solutions for the above-mentioned problems, this study was planned to suggest a fundamental data and method for producing recycled aggregate concrete using crushed cement bricks as fine aggregates. In this study, one normal concrete with natural river sand as fine aggregate and crushed stone as coarse aggregate and three recycled aggregate concretes according to the mix proportion of recycled fine aggregate substitution ratio of 35%, 65%, 100% were made using tile water-cement ratio of 45% and 65%.
文鐘健,趙炳先 大田工業大學 1991 한밭대학교 논문집 Vol.8 No.2
Architectural windows are required a various function of the air-tightness, durability, etc. Therefore this study is design for analyzing the air -permeability of architectural wooden sliding windows with the parameters of frame section, glazier's putty, work precision, locking, etc.
文鐘健,趙炳先 大田工業大學 1992 한밭대학교 논문집 Vol.9 No.1
Building windows required a various function of the air-tightness, thermal-resistance, durability, etc. Therefore this study is design for analyzing the air-permeability of the horizontally plastic sliding windows with the parameters of frame section, glazier's putty, glass thickness, air tightness material, locking, etc.
建築用 미서기창의 耐風壓性에 관한 實驗的 硏究(Ⅱ) : 플라스틱창을 中心으로 A case Study of Plastic Windows
文鐘健,趙炳先 大田工業大學 1992 한밭대학교 논문집 Vol.9 No.2
Architectural windows are required a various function of the air-tightness, thermal-resistance, durability and etc. This study is design for analyzing the Wind Pressure Resistance of architectural horizontally sliding Plastic windows with the parameters of frame section and frame thickness, glazier's putty, glass thickness, locking and etc.