Buckling investigation of ring-stiffened cylindrical shells under unsymmetrical axial loads
Technical Report
·
OSTI ID:6870669
Two buckling experiments are described in detail. The first purpose of these experiments is to establish baseline values for the buckling loads and modes for ring-stiffened cylindrical shells that have geometric parameters characteristic of the ring-stiffened cylindrical section of a typical nuclear steel containment vessel. A series of follow-on experiments on nominally identical ring-stiffened cylinders that have framed and reinforced penetrations typical of nuclear industry practice are planned and will be described in a separate report. This report is issued separately because of the volume of detail included on methods, measurements, and data reduction techniques. In addition, a second purpose of these experiments is to serve as a set of benchmark experiments for computer codes that can predict buckling loads for axisymmetric geometries, and in this respect this work stands alone. Complete material stress-strain curves are described and complete geometric imperfection data for the shells are given. These data are also available in digitized form on tape. Typical load-strain information is reported, as well as the distribution of load around the cylinder at buckling. A method for taking and reducing chord gage measurements to characterize the out-of-roundness imperfections is also examined in detail and comparisons to actual imperfection sweep measurements are made.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6870669
- Report Number(s):
- NUREG/CR-2966; LA-9536-MS; ON: DE83005348
- Country of Publication:
- United States
- Language:
- English
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