Conclusions
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1.
The most effective area of use in hydrotechnical construction of presently produced concrete-pumping plants with a pipeline diameter of 100–125 mm is structures where concrete with a maximum aggregate size not exceeding 40 mm is being placed (reinforced thin-walled structures: piers, conduits, powerhouses, tunnels, etc.).
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2.
To use concrete pumps for placing massive concrete with an aggregate size greater than 80 mm, it is necessary to produce concrete pumps with a pipeline diameter greater than 250 mm.
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3.
The effectiveness of using concrete pumping can be increased by using poured concrete mixes not requiring the traditional compaction in the block. Special investigations are needed for studying the characteristics of the technology of pumping such mixes.
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Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 6, pp. 34–38, June, 1986.
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Teleshev, V.I., Danilov, V.M. & Komarinskii, M.V. Prospects of using concrete pumping in hydrotechnical construction. Hydrotechnical Construction 20, 345–351 (1986). https://doi.org/10.1007/BF01424366
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DOI: https://doi.org/10.1007/BF01424366