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Description: The concept of loose hay storage is being brought forward in Quebec. Traditionally, hay is cut and left in the field for a period of 72 hours..Consequently, the farmer must rely on favourable weather conditions for a period of 3 subsequent days.and recent weather observations illustrate that such ideal conditions are rare. The idea of harvesting hay after only 36 hours in the field and then drying it in a storage cell has been proposed. Once the drying is complete, the hay is removed from the cell and compressed into hay bales. This drying cell is equipped with a system which forces an air circulation of either positive or negative pressure from bottom to top of the cell. The bottom of the cell is constructed of a metal grating to let air circulate through the cell. Currently, the literature does not provide values that can be used directly by engineers to design wall and flooring sytem. The objective of the present study is to bring available data to design a cell wall capable of resisting the lateral load caused by the loose hay while keeping the costs of materials to a minimum. Using the values presented in the literature, the estimated lateral loads vary between 4.75 and 6.87 kPa for an average value of 5.6 kPa. The paper will suggest calculation methodology taking into account the limit state design and the value variability for designing adequate and safe structure.

Keywords: hay storage, design, loose hay system
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Date: 2017-08-07
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Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Session 1C: Agricultural Structures

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Type: Text.Article
Format: PDF
Publication type: Technical conference
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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