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콘크리트에 사용(使用)하는 에폭시수지계(樹脂系) 방식도장재(防蝕塗裝材)의 부착력(附着力) 평가(評價)에 관한 기초적(基礎的) 연구(硏究)
高長烈 ( Ko Jang Ryul ),郭奎成 ( Koak Kyu Sung ),宋柄昌 ( Song Byong Chang ),吳祥根 ( Oh Sang Keun ),安相德 ( Ahn Sang Duck ) 한국구조물진단유지관리공학회 1997 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.1 No.1
This study deals with the effect on bond strength properties of waterproofing layer and mortar or concrete substrate applicated by epoxy resin paintings anticorrosive materials. Properties of bond strength change condition of concrete substrate, temperature, moisture and curing and so on. The purpose of this study is that it makes the estimation value of bond strength of concrete wall and anticorrosive layer when coated epoxy resin paintings as anticorrosive materials for durability performance estimation depend on concrete watertightness.
안상덕 서울産業大學校 1994 논문집 Vol.40 No.1
This paper refers to the field application of Half Slab Method, which is installing thin PC-concrete slab plate upon both end of the beams without forms and then pouring the remaining concrete on that plate. The purpose of the study is to suggest the reduction of construction period and labor input according to the usage of Half Slab in place of the existing slab forms. It has investigated the properties of this method in comparison with the existing methods, and analyzed the on-site buildings which was being constructed by using the existing slab forms. Also, this paper compares the construction period and labor content of the Half Slab Method with those of the existing slab methods.
廢콘크리트 再活用 骨材에 포함된 不純物이 콘크리트의 物性에 미치는 影響
안상덕 서울産業大學校 1995 논문집 Vol.42 No.1
The study of recycled aggregate used waste concrete gained from the old concrete builing demolition has been done in laboratry. This study can contribute to the solution of two problems, the shortage of natural aggregate and the waste disposal, and deals with the estimation on effect of dusts and impurities comtaminated with recycled aggregate. In experiment in order to estimation the properties of recycled concrete used aggregates contaminated with dusts and impurities, for estimation of dust effect, aggregates of two kinds of both washed recycled coarse aggregates and non-washed ones were used, and the test for slump, air contents, bleeding and setting time etc, of fresh concrete, and the test for compressive strength, static modulus of elasticity and freezing and thawing of hardened concrete made of recycled coarse aggregates were planned. And for estimation of impurities effect, the compresive strength test and the dry-shringkage test were planned,. As the result of experiments, the properties of fresh or hardened concrete were related to using rate of recycled coarse aggregates alternated crushed coarse aggregates and mortar used the recycled aggregate was effected on the dry-shringkage were known.
콘크리트 표면처리용 에폭시수지계 모르터의 성능평가에 관한 연구
최성민,안상덕,오상근,박국배 서울산업대학교 산업대학원 1999 大學院論文集 Vol.6 No.-
This study deals with the effect on performance of epoxy resin mortar mixed special cement for surface control and maintenance of aging concrete construction. The test of main property of epoxy resin in this study are the evaluation on the adhesive strength between substrate and epoxy resin mortar under the environment of wet or concrete substrate surface and compressive Strength, Chemical Resistance Property. The adhesive strength of epoxy resin mortat is about 20∼30㎏f/㎠ under the heat or dry condition substrate in 28ages
硅酸質系 粉末型 塗布防水材의 品質管理 基準 設定에 관한 硏究
곽규성,김형무,오상근,안상덕 서울産業大學校 産業大學院 1999 大學院論文集 Vol.6 No.-
This paper deals with the standards for Quality Control of Cement Mixed Siliceous Powder Waterproofing Coatings. The Standard Items on the Performance of waterproofing coatings are four kinds of adhision strength, water absorption, hair cracking and compressive strength. We requested that the standard level value of adhision strehgth is 8.2∼10.2㎏f/㎠, that of water absorption amount is 2∼7g, that of hair cracking appearance is "Not appear hair crack", that of compressive strength is 102㎏f/㎠.