First-stage cofferdams at the zeya hydroelectric plant: Fid-Bau Portal

Fachinformationsdienst BAUdigital

A platform for research: civil engineering, architecture and urbanism

First-stage cofferdams at the zeya hydroelectric plant

Pinigin, M. I. / Kon’ko, V. V.

Conclusions 1. The planned arrangement of the head, the longitudinal cofferdam, and the spurs, designed and constructed on the basis of investigations on the passage of flows through a three-dimensional model, was successfully selected. The head and the crib spur deflected the concentrated flow away from the waterside face of the longitudinal cofferdam, thus preventing the harmful action of ice on it during ice flow. 2. The high quality of the cofferdam permitted carrying out successfully the program for the earth-rock and concreting work and preparation of the structures for closing off of the river channel in October 1972. In the writers’ opinion, the sheet piling along the waterside edge of the cribs could have been dispensed with. 3. In certain cases, on rivers with small fall-winter flows, it is convenient to construct the heads of the cofferdams under the protection of the local cofferdams in a dry pit. The cribs can be placed directly on the rock foundation in order to ensure stability of these elements, and to obtain a high-quality contact with the head cribs in the longitudinal and upstream cofferdams. 4. It would have been economically convenient and safe to use two-edge beams instead of four-edge beams in the waterside face of the cribs.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

First-stage cofferdams at the zeya hydroelectric plant

Pinigin, M. I. / Kon’ko, V. V.

Conclusions 1. The planned arrangement of the head, the longitudinal cofferdam, and the spurs, designed and constructed on the basis of investigations on the passage of flows through a three-dimensional model, was successfully selected. The head and the crib spur deflected the concentrated flow away from the waterside face of the longitudinal cofferdam, thus preventing the harmful action of ice on it during ice flow. 2. The high quality of the cofferdam permitted carrying out successfully the program for the earth-rock and concreting work and preparation of the structures for closing off of the river channel in October 1972. In the writers’ opinion, the sheet piling along the waterside edge of the cribs could have been dispensed with. 3. In certain cases, on rivers with small fall-winter flows, it is convenient to construct the heads of the cofferdams under the protection of the local cofferdams in a dry pit. The cribs can be placed directly on the rock foundation in order to ensure stability of these elements, and to obtain a high-quality contact with the head cribs in the longitudinal and upstream cofferdams. 4. It would have been economically convenient and safe to use two-edge beams instead of four-edge beams in the waterside face of the cribs.

First-stage cofferdams at the zeya hydroelectric plant

Pinigin, M. I. / Kon’ko, V. V.

Conclusions 1. The planned arrangement of the head, the longitudinal cofferdam, and the spurs, designed and constructed on the basis of investigations on the passage of flows through a three-dimensional model, was successfully selected. The head and the crib spur deflected the concentrated flow away from the waterside face of the longitudinal cofferdam, thus preventing the harmful action of ice on it during ice flow. 2. The high quality of the cofferdam permitted carrying out successfully the program for the earth-rock and concreting work and preparation of the structures for closing off of the river channel in October 1972. In the writers’ opinion, the sheet piling along the waterside edge of the cribs could have been dispensed with. 3. In certain cases, on rivers with small fall-winter flows, it is convenient to construct the heads of the cofferdams under the protection of the local cofferdams in a dry pit. The cribs can be placed directly on the rock foundation in order to ensure stability of these elements, and to obtain a high-quality contact with the head cribs in the longitudinal and upstream cofferdams. 4. It would have been economically convenient and safe to use two-edge beams instead of four-edge beams in the waterside face of the cribs.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

Document information

Title:

First-stage cofferdams at the zeya hydroelectric plant

Contributors:

Pinigin, M. I. (author) / Kon’ko, V. V. (author)

Published in:

Hydrotechnical Construction ; 7 ; 1130-1135

Publication date:

1973-12-01

Size:

6 pages

ISSN:

1570-1468 , 0018-8220

DOI:

https://doi.org/10.1007/BF02378231

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

Similar titles

First-stage cofferdams at the zeya hydroelectric plant

Pinigin, M. I. / Kon’ko, V. V. | Online Contents | 1973

Closing the Zeya River for construction of the Zeya hydroelectric power station

Smyslov, V. A. / Breikin, A. G. | Online Contents | 1975

Closing the Zeya River for construction of the Zeya hydroelectric power station

Smyslov, V. A. / Breikin, A. G. | Springer Verlag | 1975

First-stage cofferdams for the construction of the sayano-shushensk hydroelectric station

Korol', S. I. / Kazakevich, N. G. | Online Contents | 1972

First-stage cofferdams for the construction of the sayano-shushensk hydroelectric station

Korol', S. I. / Kazakevich, N. G. | Springer Verlag | 1972