Abstract
Available statistical data suggest that human error in design causes a significant proportion of performance failures; namely, structural failure, cost overruns, and delays. A Human Reliability Analysis (HRA) model has been developed to simulate the effect of human error on the design computations of a reinforced concrete beam. The proposed HRA model incorporates the effect of “self-corrections”; this is a process where tasks are re-evaluated if the result appears to be not within “reasonable” expectations. Calculation, table look-up, chart look-up, and table ranking microtasks were incorporated into the proposed HRA model; human perormance data are described for each of these microtasks. It was found that human error, particularly multiple errors, lead to a significant loss of structural safety.
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Stewart, M.G. Simulation of human error in reinforced concrete design. Research in Engineering Design 4, 51–60 (1992). https://doi.org/10.1007/BF02032392
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DOI: https://doi.org/10.1007/BF02032392