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http://dx.doi.org/10.12791/KSBEC.2020.29.4.473

The Experiment for Performance Evaluation of Column-rafter-purlin Connections of an Arch-type Plastic Multi-span Greenhouse  

Choi, Man-kwon (Protected Horticulture Research Institute, NIHHS, RDA)
Ryu, Hee-ryong (Research Policy Bureau, RDA)
Cho, Myeong-whan (Protected Horticulture Research Institute, NIHHS, RDA)
Yu, In-ho (Vegetable Research Division, NIHHS, RDA)
Kim, Seung-yu (Protected Horticulture Research Institute, NIHHS, RDA)
Publication Information
Journal of Bio-Environment Control / v.29, no.4, 2020 , pp. 473-479 More about this Journal
Abstract
In this study, the structural experiment was conducted with two types of specimens to investigate the mechanical behavior of the column-rafter-purlin connection of an arch-type greenhouse under monotonic loading. Based on the experimental results, the flexural performance was analyzed for two types of connections, and connection classification was attempted. Type B showed 77% of flexural performance compared to Type A, and both types showed that the rigidity and flexural strength did not reach the level of the full rigid. The behavior of the column-rafter-purlin connection was dominated by local buckling due to deformation of the weld and fasteners. As a result of connection classification by AISC standard, both Type A and B connections showed a result that did not meet the rigid connection performance assumed during design, and were classified as simple connection. Therefore, the connection performance evaluation and classification results show that the greenhouse design should be made in consideration of connection performance and in order to design a reliable greenhouse structure, a study on establishing clear design standards for the greenhouse connection is necessary.
Keywords
AISC classification; fully rigid connection; joint; moment; rotation;
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  • Reference
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