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Details of the greenhouse construction process

Source: Time:2018-03-06 10:36:10 views:

Greenhouses mainly use sunlight as their energy source. Whether or not they can benefit the sun's light adequately and reasonably in winter is related to the success or failure of greenhouse production.

Greenhouses mainly use sunlight as their energy source. Whether or not they can benefit the sun's light adequately and reasonably in winter is related to the success or failure of greenhouse production. Maintaining a high temperature in the greenhouse during the day is conducive to the growth of the crops, and the low temperature at night has a direct threat to the plants. Therefore, special attention should be paid to this issue during the construction of vegetable greenhouses.

1. The rear wall and front arch foot foundation of the columnless greenhouse are subject to large horizontal thrust. Insufficient mortar strength in the brick wall will cause damage to the back wall and front arch foot foundation, the bridge arch foot will be displaced, and the entire bridge frame will be displaced. The bearing capacity will be greatly reduced or even lost. Therefore, the strength of masonry mortar must be strictly controlled during construction.

2. The lower chords of light steel bridges should be as long as possible. When the length of the upper chords is not sufficient, welding connections should be used. The connection points should avoid the tension area. Generally, the connection points should be arranged at half of the total length of the front slope surface Above the point, the chord stalk is not allowed to be welded on the shoulder of the front slope. The overlap of the lateral support of the bridge can be connected by casing bolts.

3. When using polystyrene foam plastic board as wall or rear roof insulation material, its bulk density should not be less than 2Okg / m3. If the bulk density is too small, the board will easily fall off or break during construction.


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