EFFECT OF CREEP ON COLUMN DEFLECTION,
Abstract
The effect of creep on structural elements which carry compressive loads must be known in order that minimum weight structures may be designed for service conditions which are a combination of high temperature and high working stress. A simple pin-ended column is analyzed under similar conditions as a logical basis for future understanding of integrated structures. The creep buckling problem is formulated mathematically. However, due to the complexity of the problem, an interation method is presented which enables one to calculate the lateral deflection as a function of time. Theoretical calculations of the iteration method are compared with tests on 75 ST aluminum columns at 600F. Design curves are proposed which will give the allowable stress of the column as a function of the slenderness ratio and the life-time of the column. Different design curves are required for each combination of material and operating temperatures. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 26, 1951
- Accession Number
- AD0603811
Entities
People
- T. P. Higgins Jr.
Organizations
- RAND Corporation