Conclusions
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1.
The head, power, efficiency, and vacuum-gauge suction head during operation of floating suction dredges change depending on the depth of submergence of the suction pipe underwater and do not depend of soil size.
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2.
The output of dredges varies with underwater depth of the suction pipe. The greater the depth of submergence of the suction pipe, the more the output of the dredge decreases.
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3.
The performance curves of the soil pumps recorded during operation on water and soil-water mixture under test-bed (laboratory) and field conditions on soils of various sizes and density correspond to those calculated by formulas (8–11).
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References
A. S. Butov and N. G. Bogdanov, “Investigation of the process of suctioning soil by soil pumps,” Gidrotekh. Stroit., No. 11 (1995).
Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 6, pp. 22–26, June, 1996.
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Butov, A.S., Bogdanov, N.G. Determination of the performance of a dredge operating on water and soil-water mixture. Hydrotechnical Construction 30, 329–334 (1996). https://doi.org/10.1007/BF02443116
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DOI: https://doi.org/10.1007/BF02443116