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http://dx.doi.org/10.12791/KSBEC.2016.25.3.193

Test Methods for Evaluation of Slip-Resistance Force of Clamp for Plastic Greenhouse  

Choi, Man-Kwon (Protected Horticulture Research Institute, NIHHS, RDA)
Song, Ho-Sung (Department of Agricultural Engineering, NAS, RDA)
Cho, Myeong-Whan (Protected Horticulture Research Institute, NIHHS, RDA)
Yu, In-Ho (Protected Horticulture Research Institute, NIHHS, RDA)
Shin, Young-An (Protected Horticulture Research Institute, NIHHS, RDA)
Lim, Seong-Yoon (Department of Agricultural Engineering, NAS, RDA)
Ryu, Hee-Ryong (Protected Horticulture Research Institute, NIHHS, RDA)
Publication Information
Journal of Bio-Environment Control / v.25, no.3, 2016 , pp. 193-199 More about this Journal
Abstract
The research discussed experimental results on slip resistance force of rafter-purlin connection of plastic greenhouse and suggested a test method for evaluating slip resistance performance of the connection. Slip resistance forces were measured by four kinds of constraint conditions for specimens, for example, fixing or rolling the end of specimen. According to tests, it is noticed that constraint condition is able to significantly affect the slip resistance force. From a post-hoc comparison result, slip resistance force of test under fixing ends condition was larger than those under the other three constraint conditions. But the slip resistance force results in the fixing ends condition had greater measure of dispersion and three times of standard deviation than those from other constraint conditions. Based on the results obtained, effect of constraint condition for specimen on the slip test should be studied to enhance reliability of evaluation test of the slip resistance performance.
Keywords
cross connection; purlin; rafter; slip test; vinyl house;
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Times Cited By KSCI : 2  (Citation Analysis)
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