Experimental buckling investigation of ring-stiffened cyclindrical shells under unsymmetrical axial loads
Six steel shells having nuclear containment-like features were fabricated and loaded to failure with an offset axial load. The shells of R/t = 500 buckled plastically. Four of the shells had reinforced circular cutouts. These penetrations were sized to cut no ring-stiffener, a single, two- or three-ring stiffeners. Reinforcing and framing around the penetrations were based upon the area-replacement rule of the applicable portion of the American Society for Mechanical Engineers (ASME) Boiler and Pressure Vessel Code and were of a design to simulate actual practice for nuclear steel containments. Prior to testing, imperfections were measured and strain gages were applied to determine information on load distribution at the ends of the cylinder and strain fields at areas likely to buckle. Buckling loads were determined for an axial load applied with an eccentricity of R/2 where R is the cylinder radius.
- Research Organization:
- Los Alamos National Lab., NM (USA); New Mexico Univ., Albuquerque (USA); California Inst. of Tech., Pasadena (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6016124
- Report Number(s):
- LA-UR-83-658; CONF-830607-9; ON: DE83010162
- Country of Publication:
- United States
- Language:
- English
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Buckling investigation of ring-stiffened cylindrical shells with reinforced openings under unsymmetrical axial loads
Buckling investigation of ring-stiffened cylindrical shells under unsymmetrical axial loads
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