Before the rainy season arrives, it is necessary to take appropriate windproof measures for the multi-span greenhouse structures, particularly focusing on the areas around the ventilation openings. Additionally, the frame sections of the greenhouse at the midsection, where the support points are less dense than the roof, exhibit slightly reduced stability. Therefore, these areas should also be reinforced for protection.
If possible, construct multi-span greenhouses on the leeward side of windbreaks to significantly reduce the wind pressure on the front of the greenhouse; building on the leeward side can also greatly diminish the negative pressure effect of the wind lifting the greenhouse film. During strong winds, the exchange rate of gas between the interior and exterior of the multi-span greenhouse is related to its airtightness and wind speed, so precautions should be taken against disasters caused by low temperature and humidity.
Establish a continuous greenhouse structure with higher wind resistance, taking into account the wind load on the greenhouse design. The wind resistance is positively correlated with the greenhouse's stability performance, which is closely related to factors such as the surface curvature of the greenhouse, the material of the greenhouse frame, and the aspect ratios of height to length and length to width. Streamlined greenhouses exhibit higher wind resistance.
The integrated greenhouse can utilize the triangular stability principle, adding temporary or tensioned lines, poles, or greenhouse materials between the frames and the ground. Open the ventilation openings and greenhouse doors on the leeward side, or roll up part or all of the greenhouse film on the leeward side from bottom to top. The purpose is to reduce the effective area affected by the negative pressure of strong winds, preventing the film from being lifted by the wind.
Surrounding tunnels surrounding the greenhouse area can be appropriately reduced in height when their strength is not less than that of the central tunnel, which benefits the overall wind resistance of the greenhouse film. Additionally, damaged greenhouse films, exhaust openings, and tunnel doors should be repaired promptly to prevent further damage.



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