Vízügyi Közlemények, 1993 (75. évfolyam)

2. füzet - Fábián Gyula: Árapasztók biztonsági töltésének hidraulika méretezése

160 Dr. Fábián Gyula A.

op

t(n = 0; \\r = 0,54)= 1,1783 és a (20) összefüggés felhasználásával kapjuk 1-0,44 0 44 Cl +0 22^

2 (0,22; 0,54) = ^ 3

0 1,1783 = 0,856

1 közelítő értékét. Végül a keresett biztonsági töltés koronájának optimális hossza a (14) összefüggés alapján L Чt

m*

L

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=l2,51m• IRODALOM Altinakar, M.-Bruschin, J.: Fuse-Plug Spillway Modelling. Swiss Federal Institute of Technology, Lausanne, Switzerland, 1988. Benoist, G.-Nicollet, G.: Progressive Failure on Earth Dams. XX. Congress of IAHR, Moscow, 1983. Biedermann, R.-Delley, P.-Flury, K.-Hauenslein, W.-Lafitte, R.-Lombardi, G.: Safety of Swiss Dams against Floods. Design Criteria and Design Flood. Sixteenth International Congress on Large Dams, San Francisco, 1988. Che, S. P.

: Mobile Controls for Water Resources Projects. Water Resources Bulletin. American Water Resources Association, Vol. 14, No. 1. 1978. Chee, S. P.: Design of Erodible Dams. International Conference on Water Resources Engineering. Bangkok, Thailand, 1978. Fabian, Dj.: Soigurnowni preliv - Nasip podesen za kontrolisano Rusenje pri nailasku izuzetno velikih voda. Doktorska Disertacija, Univerzitet u Novom Sadu, Gradjevinski fakultét u Subotici, Subotica, 1992. Hajdin, G.-Radojkovic, M.

: Procena Uticaja Akumulacije na Ublazenje Proticaja. esto savetovanje Jugoslovenskih strucnjaka za hidraulicka istrazivanja. Budva, 1974. Jovanovic, M.: Modeliranje Procesa Erozije Nasutih Objekata Izlozenih Prelivanju, Doktorska disertacija, Gradjevinski fakultét universiteta u Beogradu. Beograd, 1987. Lopardo, R. A.-Orellano, J. A.-Mulle, N.: Hydraulic Model Study of the Initial Stage of a Fuse Plug Failure. XX. Congress of IAHR, Moscow, 1983. Minor, //. E.-Sehmidiger

, R.: Selection of Spillway Type Giving Special Attention fo Safety Aspects. Sixteenth International Congress on Large Dams. San Francisco, 1988. Powledge, G. R.-Sveum, D. L.: Overtopping Embankment Dams - An Alternative in Accomodating Rare Floods. Sixteenth International Congress on Large Dams. San Francisco, 1988. Sparks, A. D. W.: The Sloughing, Overtopping and Reinforcement of Rockfill and Earth Dams. Neuvieme Congres des Grands Barrages, Istambul, 1967. Visher, D. -Rulschmann, P.: Spillway Facilities; Typology and General Safety Questions. Sixteenth International Congress on Large Dams. San Francisco, 1988. * * * Hydraulic design of the safety dikes of spillways by Dr. Gyula FÁBIÁN С. E. Knowledge regarding the spillways equipped with safety dikes has been significantly expanded during the past thirty years. Special dike types have been elaborated, which will fail and be washed rapidly away during extreme floods with great certainty and in a predictable