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Concreting the siphons of the Dnepr-Donbass canal

Darakhvelidze, D. V.

Conclusions 1. Experience gained with the use of a travelling form for the concreting of monolithic siphons along the Dnepr-Donbass canal showed a savings as compared with the use of sectional panel forms. In this case, labor outlays are reduced almost by a factor of 2.5. 2. In selecting mix designs for water-impermeable concrete, it is necessary to consider the presence of particles smaller than 0.14 mm in the fine aggregate; a content of 10–20% of these particles increases markedly the water impermeability of the concretes, and reduces the cement factor. 3. When concreting thin-wall hydraulic river structures, one should take the time to determine the grade of concrete as regard the 180-day water impermeability, since it is impossible to create moist curing conditions for the concrete over such a prolonged period.

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Concreting the siphons of the Dnepr-Donbass canal

Darakhvelidze, D. V.

Conclusions 1. Experience gained with the use of a travelling form for the concreting of monolithic siphons along the Dnepr-Donbass canal showed a savings as compared with the use of sectional panel forms. In this case, labor outlays are reduced almost by a factor of 2.5. 2. In selecting mix designs for water-impermeable concrete, it is necessary to consider the presence of particles smaller than 0.14 mm in the fine aggregate; a content of 10–20% of these particles increases markedly the water impermeability of the concretes, and reduces the cement factor. 3. When concreting thin-wall hydraulic river structures, one should take the time to determine the grade of concrete as regard the 180-day water impermeability, since it is impossible to create moist curing conditions for the concrete over such a prolonged period.

Concreting the siphons of the Dnepr-Donbass canal

Darakhvelidze, D. V.

Conclusions 1. Experience gained with the use of a travelling form for the concreting of monolithic siphons along the Dnepr-Donbass canal showed a savings as compared with the use of sectional panel forms. In this case, labor outlays are reduced almost by a factor of 2.5. 2. In selecting mix designs for water-impermeable concrete, it is necessary to consider the presence of particles smaller than 0.14 mm in the fine aggregate; a content of 10–20% of these particles increases markedly the water impermeability of the concretes, and reduces the cement factor. 3. When concreting thin-wall hydraulic river structures, one should take the time to determine the grade of concrete as regard the 180-day water impermeability, since it is impossible to create moist curing conditions for the concrete over such a prolonged period.

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Title:

Concreting the siphons of the Dnepr-Donbass canal

Contributors:

Darakhvelidze, D. V. (author)

Published in:

Hydrotechnical Construction ; 9 ; 1040-1042

Publication date:

1975-11-01

Size:

3 pages

ISSN:

1570-1468 , 0018-8220

DOI:

https://doi.org/10.1007/BF02382352

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Energy Source , Power Generation , Power Engineer , Renewable Energy Source , Structural Foundation Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics

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