Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station: Fid-Bau Portal

Fachinformationsdienst BAUdigital

A platform for research: civil engineering, architecture and urbanism

Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station

Chumburidze, G. K. / Ashikhmen, V. A. / Amiridze, N. V. / Pronina, L. É. / Arutyunova, M. Z.

Conclusions 1. Hydraulic and geophysical control works conducted after blanket grouting in the diversion pressure tunnel of the Inguri hydrostation showed a high quality of the grouted zone around the tunnel with respect to seepage and deformation characteristics. Such a conclusion is confirmed also by the experience of operating the tunnel for nine years and by an examination of its condition during planned emptyings. 2. The high-quality performance of the grouting works was provided by design and technological improvement of the methods during research and construction works. 3. As a result of grouting, the watertight properties of the grouted zone improved by 3.4 times in the weakly fractured rocks, by 6–8 times in the moderately fractured, and by 10–15 times in the strongly fractured rocks. The values of the coefficients of specific passive pressure of the rock exceeded by 20–30% their design values. The existing anisotropy of the deformation properties of the ungrouted rocks (1.4–1.6) has been minimized.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station

Chumburidze, G. K. / Ashikhmen, V. A. / Amiridze, N. V. / Pronina, L. É. / Arutyunova, M. Z.

Conclusions 1. Hydraulic and geophysical control works conducted after blanket grouting in the diversion pressure tunnel of the Inguri hydrostation showed a high quality of the grouted zone around the tunnel with respect to seepage and deformation characteristics. Such a conclusion is confirmed also by the experience of operating the tunnel for nine years and by an examination of its condition during planned emptyings. 2. The high-quality performance of the grouting works was provided by design and technological improvement of the methods during research and construction works. 3. As a result of grouting, the watertight properties of the grouted zone improved by 3.4 times in the weakly fractured rocks, by 6–8 times in the moderately fractured, and by 10–15 times in the strongly fractured rocks. The values of the coefficients of specific passive pressure of the rock exceeded by 20–30% their design values. The existing anisotropy of the deformation properties of the ungrouted rocks (1.4–1.6) has been minimized.

Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station

Chumburidze, G. K. / Ashikhmen, V. A. / Amiridze, N. V. / Pronina, L. É. / Arutyunova, M. Z.

Conclusions 1. Hydraulic and geophysical control works conducted after blanket grouting in the diversion pressure tunnel of the Inguri hydrostation showed a high quality of the grouted zone around the tunnel with respect to seepage and deformation characteristics. Such a conclusion is confirmed also by the experience of operating the tunnel for nine years and by an examination of its condition during planned emptyings. 2. The high-quality performance of the grouting works was provided by design and technological improvement of the methods during research and construction works. 3. As a result of grouting, the watertight properties of the grouted zone improved by 3.4 times in the weakly fractured rocks, by 6–8 times in the moderately fractured, and by 10–15 times in the strongly fractured rocks. The values of the coefficients of specific passive pressure of the rock exceeded by 20–30% their design values. The existing anisotropy of the deformation properties of the ungrouted rocks (1.4–1.6) has been minimized.

Access

Check availability in my library

Order at Subito €

Page navigation

Document information

Export, share and cite

Document information

Title:

Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station

Contributors:

Chumburidze, G. K. (author) / Ashikhmen, V. A. (author) / Amiridze, N. V. (author) / Pronina, L. É. (author) / Arutyunova, M. Z. (author)

Published in:

Hydrotechnical Construction ; 22 ; 145-154

Publication date:

1988-03-01

Size:

10 pages

ISSN:

1570-1468 , 0018-8220

DOI:

https://doi.org/10.1007/BF01441067

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

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

Similar titles

Quality of grouting in the diversion pressure tunnel of the Inguri hydroelectric station

Chumburidze, G. K. / Ashikhmen, V. A. / Amiridze, N. V. et al. | Online Contents | 1988

Grouting works in the diversion tunnel of the Inguri hydroelectric station

Dmitriev, N. V. / Baranos, E. S. / Ashikhmen, V. A. | Springer Verlag | 1980

Grouting works in the diversion tunnel of the Inguri hydroelectric station

Dmitriev, N. V. / Baranos, E. S. / Ashikhmen, V. A. | Online Contents | 1980

Construction of the diversion pressure tunnel of the Inguri hydroelectric station

Gabuniya, L. S. / Zarandiya, G. Ya. | Online Contents | 1980

Construction of the diversion pressure tunnel of the Inguri hydroelectric station

Gabuniya, L. S. / Zarandiya, G. Ya. | Springer Verlag | 1980