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Construction of agricultural structures (greenhouses) on heaving soils
Conclusions 1. The measures taken against heaving used in the construction of greenhouses, viz., replacement of heaving soil by sand and claydite heat-insulating blind areas, proved to be quite effective. However, with respect to technical and economic indices it is more expedient to use heat-insulating claydite cushions under the blind area. 2. The design and insulating measures taken at the construction of the "Moskovskii" enterprise proved to be most economically expedient. Engineering-meliorative measures do not produce an effect under the given conditions and therefore they should not be used against frost heaving of foundations for winter greenhouses. 3. The depth of foundations for the enclosures of winter greenhouses on heaving soils should not be less than the calculated depth of soil freezing. The standard soil-freezing depth should be determined by Eq. (8) of SNiP II-B.1-62, and the coefficient of the thermal effect of winter greenhouses should be taken equal to 0.3. The data of the investigations permit recommending for greenhouse enclosures foundations of a simplified design in the form of panels from 60 to 120 cm high, the introduction of which will effect a considerable economy due to a reduction of the construction time and its cost.
Construction of agricultural structures (greenhouses) on heaving soils
Conclusions 1. The measures taken against heaving used in the construction of greenhouses, viz., replacement of heaving soil by sand and claydite heat-insulating blind areas, proved to be quite effective. However, with respect to technical and economic indices it is more expedient to use heat-insulating claydite cushions under the blind area. 2. The design and insulating measures taken at the construction of the "Moskovskii" enterprise proved to be most economically expedient. Engineering-meliorative measures do not produce an effect under the given conditions and therefore they should not be used against frost heaving of foundations for winter greenhouses. 3. The depth of foundations for the enclosures of winter greenhouses on heaving soils should not be less than the calculated depth of soil freezing. The standard soil-freezing depth should be determined by Eq. (8) of SNiP II-B.1-62, and the coefficient of the thermal effect of winter greenhouses should be taken equal to 0.3. The data of the investigations permit recommending for greenhouse enclosures foundations of a simplified design in the form of panels from 60 to 120 cm high, the introduction of which will effect a considerable economy due to a reduction of the construction time and its cost.
Construction of agricultural structures (greenhouses) on heaving soils
Kiselev, M. F. (author) / Safonov, V. S. (author) / Chubarova, N. P. (author)
1975
Article (Journal)
English
Local classification TIB:
770/6545/8000
BKL:
56.20
Ingenieurgeologie, Bodenmechanik
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