Fig. 1. Basic greenhouse frame.
Fig. 2. Unit snow load according to the snow depth.
Fig. 3. Balanced snow load distribution of vinyl house (07-Single-1, Design snow load=100%).
Fig. 4. Unbalanced snow load distribution of vinyl house (07-Single-1, Design snow load=100%).
Fig. 5. Node numbers of vinyl house.
Fig. 6. Axial force distribution according to the balanced design snow load(07-Single-1).
Fig. 7. Moment distribution according to the balanced design snow load(07-Single-1).
Fig. 8. Axial force distribution according to the unbalanced design snow load(07-Single-1).
Fig. 9. Moment distribution according to the unbalanced design snow load(07-Single-1).
Table 1. Standard greenhouse
Table 2. Ground snow load(( Sg, N/m2 )
Table 3. Roof slope coefficient
Table 4. Uniform snow load(ws, N/m)
Table 5. Structural analysis results
Table 6. Combined strength ratio
References
- H. J. Jung, S. H. Yang and T. H. Lee, "A Study on the Improvement of Greenhouse Frame to Bear the Heavy Snow", Journal of the Korea Academia-Industrial Cooperation Society, Vol. 16, No. 3, pp. 2242-2248, 2015. https://doi.org/10.5762/KAIS.2015.16.3.2242
- K. C. Ro, "An Evaluation of the Structural Stability of a Clip Type Prefabricated Greenhouse under Strong Wind and Heavy Snow Conditions", Journal of the Korea Academia-Industrial Cooperation Society, Vol. 15, No. 6, pp. 3423-3428, 2014. https://doi.org/10.5762/KAIS.2014.15.6.3423
- D. J. Jung and C. Teng, "Effect of Wire Bracing to Snow Load Acting on Vinyl House Frame", Journal of the Korea Rural Building Institute, Vol. 12, No. 3, pp. 27-34, 2010.
- M. H. Oh, G. J. Shin and G. S. Joo, "Research Trend of Vinyl House in Snowfall", Journal of Disaster Prevention, Vol. 49, pp. 114-122, 2012.
- S. W. Paik and H. J. Kim, "A Study on the Strength Characteristics of Vinyl House Pipe Filled with Mortar", Journal of the Korean Society of Agricultural Engineers, Vol. 57, pp. 13-17, 2015. https://doi.org/10.5389/KSAE.2015.57.5.013
- Ministry of Land, Infrastructure and Transport, "Architectural Design Specification", 2016.