Safety criteria for the evaluation of existing structures
| Author(s): |
David E. Allen
|
|---|---|
| Medium: | conference paper |
| Language(s): | English |
| Conference: | IABSE Colloquium: Remaining Structural Capacity, Copenhagen, Denmark, 1993 |
| Published in: | Remaining Structural Capacity |
| Year: | 1993 |
| DOI: | 10.5169/seals-51364 |
| Abstract: | Limit states criteria which conform to a single conservative safety level are appropriate for the design of new structures because the savings in adopting different safety levels is marginal for any project. The cost and disruption in not meeting such a safety level, however, can become a major obstacle for an existing structure . For this reason different safety levels are being introduced in Canada for the evaluation of existing structures based on a life safety criterion. The recommended safety differentiation allows more flexibility in practice but requires more professional judgement. The paper describes the derivation of safety criteria for the evaluation of bridges and buildings in Canada. |
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