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        검색결과 3

        1.
        2018.04 서비스 종료(열람 제한)
        In this paper, laboratory tensile tests were performed for the basalt, glass and carbon fiber reinforced polymer. Epoxy resin was used as the polymer for this composite material. The procedure of the experiment was based on the criteria specified in ASTM D3039 / 3039M. Moreover, a Universal Testing Machine (UTM) with 100 kN capacity was used in this experiment. Results of the performance of each composite material were analyzed. In case of fiber type, carbon fiber reinforced polymer showed the best performance; followed by basalt fiber and glass fiber reinforced polymer with the elastic modulus of 37.03 MPa and 33.10 MPa, respectively.
        2.
        2016.04 서비스 종료(열람 제한)
        In this study, wind fragility for anchor systems installed at sign structures was developed through Monte Carlo simulation method. The fragility is a conditional limit state probability, presented as a function of the 3-second gust wind speed, based on a relation between statistics of wind loads and anchor system resistances. Advertisement sign attached to concrete wall structure was investigated using probabilistic approach with consideration of anchor type, exposure category, and wind directionality. The results showed that the failure due to tension on anchor bolt was dominant and occurred at a very high wind speed. The fragility methodology described in this paper can be used to develop performance-based design guidelines for advertisement structure in high wind regions as well as to provide information on which to base structural safety or expected loss assessments.
        3.
        2015.10 서비스 종료(열람 제한)
        In order to evaluate the seismic safety of weir structure subjected to seismic ground motions, Non-linear elastic 2D plane strain Finite Model (FE) was developed in ABAQUS. Also, the 1994 Northridge earthquake as a ground motion uncertainty was selected. The numerical results show that the tensile stress was increased with increase the friction coefficient