ABSTRACT

Shell h(mm) L(mm) R/h L/R Z d1(mm) Cj(mm) b^h Au /b1h In /b’ ej/h Y1A 0.260 200.0 462 1.665 1222 1.750 0.90 34.23 0.681 2.57 -3.87 Y2A 0.259 200.0 464 1.665 1227 1.761 0.90 34.36 0.686 2.65 -3.90 Y3A 0.248 200.0 484 1.665 1280 1.762 0.90 35.89 0.718 3.02 -4.05 Y4A 0.246 200.0 488 1.665 1290 1.764 0.90 36. 18 0.725 3.11 -4.09 Y7B 0.265 200.0 454 1.665 1198 1.755 0.90 33.58 0.700 2.45 -3.81 Y8B 0.267 200.0 450 1.665 1189 1.743 0.90 33.33 0.660 2.34 -3.76 R = 120.22 [mm] bl= E =

p /P s s 4 ’P/ p sp

B U C K LIN G AND PL A S T IC PU NCHING OF C IR CU LA R CY LIN D RICA L SHELL DUE TO SADDLE OR LUG LOADS

VLASTIMIL KftUPKA Institute of Applied Mechanics VlTKOVICE, Brno 11, Box 32, Czechoslovakia

A B ST R A C T

Theoretical solution of the compressive membrane stress due to the saddle load and its evaluation with respect to the buckling. Plastical punching of the saddle or lug into the cylindrical shell. Results of experiments and their comparison with the theoretical solution.