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연성개폐 지붕구조물 Erection 시공법에 관한 사례 연구
박금성,김형도,곽명근,Park, Keum-Sung,Kim, Hyung-Do,Kwak, Myong-Keun 한국공간구조학회 2016 한국공간구조학회지 Vol.16 No.4
Lifting plan in the large spacial structure is an important factor influencing the efficiency and economy of the construction process. The purpose of this study was deriving the requirements for lifting techniques as the basic research in the double spoke wheel roof structure construction. In the lift up erection method, management plan of the interference error in the column and outer-ring was needed that occur during lifting roof structure. In the bent erection method, material usage reduction plan was required by the structural design of the temporary bent. In the hybrid erection method, lifting plan was needed that minimizes weather condition and crane usage. All lifting techniques were required Value Engineering model for reduction of cost and construction period.
류금성 ( Ryu Gum-sung ),고경택 ( Koh Kyung-taeg ),김도겸 ( Kim Do-gyeum ),김성욱 ( Kim Sung-wook ) 한국구조물진단유지관리공학회 2000 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.4 No.2
Since many of these structures were built before 1980's, these are either already repaired or to be repaired. Current safety assessments on these structures have confirmed that a large number of RC structures need maintenance, repairs and retrofit works. The factors considered in deterioration of RC structures may take several forms, which include the chloride corrosion, carbonation. alkali aggregate reaction and abrasion. Deterioration in RC structures is a problem, in which many agencies are involved. However, it use without verification for the foreign test method and standard of repair materials in Korea. Therefore, this study is investigated for adhesive strength repair materials in view of durability as a study to enact test method and standard of qualities for repair materials taking into consideration of Korea situation.