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http://dx.doi.org/10.7734/COSEIK.2016.29.5.483

Study on Effect of Anchor Bolt by Thermal Expansion of Sulfur Storage Tank under High Temperature  

Jung, Wook-Hwan (Department of Civil and Environment Engineering, Yonsei University)
Kim, Jeong-Soo (Structural Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology)
Kim, Tae-Min (Department of Civil and Environment Engineering, Yonsei University)
Kim, Moon-Kyum (Department of Civil and Environment Engineering, Yonsei University)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.29, no.5, 2016 , pp. 483-490 More about this Journal
Abstract
In plant industry, sulfur storage tank is made of steel and annular plate is connected with concrete foundation of ring wall type by anchor bolt. Due to keep sulfur at high temperature in tank by coil, sulfur storage tank is expanded larger than another tank stores fluid at room temperature. Generally, structural design of tank foundation is performed analysis with loading of temperature gradient between inner and outer surface, this method can't consider the phenomenon that load is intensively transferred to concrete foundation at anchor bolt. This means that temperature load is underestimated and causes crack of concrete near anchor bolt. In this study, evaluation formula considering temperature load transfer mechanism through anchor bolt is proposed and load acting on concrete foundation is rationally decided. For this purpose, it is analyzed variation of thermal load per various anchor bolt number using finite element model including tank annular plate and anchor bolt. Solution is proposed as specified term combining result of analysis and theoretical solution for evaluating load transferred by anchor bolt. For confirmation of validation of proposed formula, it is applied in design of sulfur storage tank at plant site, it shows that the formula can be practically applied.
Keywords
sulfur storage tank; ring wall foundation; thermal expansion; concrete break out; anchor bolt;
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