Abstract
This study aims to evaluate the probabilistic safety levels of truss structures designed using the TCVN 5575:2012. A planar structure was designed according to the strength limit state (tension and compression) in the design code. Monte Carlo simulations were then executed to assess the failure probability of the design solutions designed following TCVN 5575:2012. The results help evaluate safety in terms of probability and uniformity. Accordingly, the probability safety levels are compared with those specified in international specifications. The results obtained in this study reveal that the reliability indices for compression bars are higher than those for tension members (approximately 20%). In addition, the reliability indices for the tension members were relatively close to the specified target in the American specification. In contrast, compression bars designed using the TCVN result in a higher reliability index than the target specified in the American code.
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