Acta Technica 97. (1984)

1-4. szám

ACTA TECHNICA VOLUME 97 NOS 1-4 Dulácska, £.: Effect of concrete shrinkage on the stability of reinforced concrete shells ................. 5 Dulácska, £.: Relation between the initial imperfection and the eccentricity of normal forces of shell structures....................................................................................................................................... II Ecsedi, /.: On the torsion of thin-walled bars with an annulus cross-section of variable size........ 23 Ecsedi, /.: Lower and upper bounds to the strain energy of bent plates ........................................... 39 Ecsedi, /.: Inequalities for the strain energy of polygonshaped bent plates....................................... 51 Egorov, К. V.—Kupayn, G. D.: Identification of the source of pollution along the river bed ........ 65 Füzy, J.—Vas J.: Relationship and application possibilities of the theories of microelastic continua 69 Grega, B:. Relationship between filling breakage, turns of twist and moisture content.................. 85 Grega, В Filling breakage as stochastic function of elementary fibre length and turns of twist as variables.......................................................................................................................................... 93 Hegedűs, IStress function of single-layer reticulated shells and its relation to that of continuous membrane shells ............................................................................................................................ 103 Hegedűs, I.—Kollár, L. PBuckling of sandwich columns with thin faces under distributed normal loads................................................................................................................................................ Ill Hegedűs, I.—Kollár, L. P.: Buckling of sandwich columns with thick faces subjected to axial loads of arbitrary distribution ................................................................................................................... 123 Jankó, L: Intial postbuckling behaviour of shallow saddle-shaped hypar shells supported by shear diaphragms, under uniform load................................................................................................. 133 Jarsky, C.: On mathematical stochastic modelling and optimization of construction processes .. 177 Juhász, J.: Percolation around dams....................................................................................................... 197 Kapor, J.: Characterization of elliptically polarized antenna by complex effective length.............. 215 Michelberger, P.—Keresztes, A.—Péter, T: Effect of real road profile spectra distorted by travel speed processes on dynamic stresses of town buses................................................................. 227 Michelberger, P.—Szőke, D.\ Change of vibration characteristics of a simplified vehicle model as a function of external parameters................................................................................................... 241 Pásztor, £.: A mathematical model for the investigation of aging processes with the two-flow turbofan jet-plants.......................................................................................................................... 259 Reményi, К.—Horvath, F.: Application of holography to the study of combustion processes .... 273 Szabó, L: Finite element method for solving elastoplastic and elasto-viscoplastic problems............ 283 Szabó, L: Finite element analysis of anisotropic plastic hardening...................................................... 315 Vancsa, Á. S.: Application of the Hopf bifurcation theory for the dynamical model of the nose-gear 323

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