Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Antifiltration measures in the Chai-N'yan karst massif of the Hoabinh hydraulic development
Conclusions For design of the antifiltration components in the karstic rock, the entire potentially karstic mass was usually closed off with curtains.The constructed complex of antifiltration components, consisting of a grout curtain, concrete-filled karst hollows, and local concrete crosscut walls corresponds to the difficult geologic conditions of the Chain-N'yan massif.The adopted work organization, with construction of tunnels cutting across the entire karst mass, simultaneous rock grouting, and more precise determination of the geomorphology made it possible to considerably reduce the proposed volumes and costs of the antifiltration components of the Hoabinh hydraulic development.The adopted scheme for providing a working face for the antifiltration measures at El. 133 m was the optimal. It opportunely permitted ensuring readiness of the high-head front for filling the reservoir to El. 112 m in November 1990, and to the NPL at El. 125 m in September 1991.
Antifiltration measures in the Chai-N'yan karst massif of the Hoabinh hydraulic development
Conclusions For design of the antifiltration components in the karstic rock, the entire potentially karstic mass was usually closed off with curtains.The constructed complex of antifiltration components, consisting of a grout curtain, concrete-filled karst hollows, and local concrete crosscut walls corresponds to the difficult geologic conditions of the Chain-N'yan massif.The adopted work organization, with construction of tunnels cutting across the entire karst mass, simultaneous rock grouting, and more precise determination of the geomorphology made it possible to considerably reduce the proposed volumes and costs of the antifiltration components of the Hoabinh hydraulic development.The adopted scheme for providing a working face for the antifiltration measures at El. 133 m was the optimal. It opportunely permitted ensuring readiness of the high-head front for filling the reservoir to El. 112 m in November 1990, and to the NPL at El. 125 m in September 1991.
Antifiltration measures in the Chai-N'yan karst massif of the Hoabinh hydraulic development
Vasil'ev, A. B. (Autor:in) / Gal'perin, I. G. (Autor:in) / Bogachenko, P. T. (Autor:in) / Sklyarenko, A. V. (Autor:in) / Skiba, S. I. (Autor:in)
1991
Aufsatz (Zeitschrift)
Englisch
BKL:
56.30
Wasserbau
Lokalklassifikation TIB:
770/6550/8000
Antifiltration measures in base of rock-earth dam of the Hoabinh hydraulic development
| Online Contents | 1991
Antifiltration measures in the Chai-N'yan karst massif of the Hoabinh hydraulic development
| Springer Verlag | 1991
Construction of rock-earth dam of the Hoabinh hydraulic development
| Springer Verlag | 1991
The Hoabinh hydraulic development — An object of Soviet-Vietnam cooperation
| Springer Verlag | 1991
Full-scale observations of dam of the Hoabinh hydraulic development during construction period
| Online Contents | 1991