Abstract
Due to lacking of explicit limit state equation in first order reliability method (FORM), solution is hard to obtain on building fire risk analysis; The direct Monte Carlo simulation will face huge computation. Therefore, a new analysis method based on improved response (IRS) is proposed, which constructed by uniform design (UD) and non-parametric regression (NR), and then, obtains the available safety egress time (ASET) and the required safety egress time (REST) probability distribution with Monte Carlo simulation. Through a practice of building fire risk analysis, the results show that UD picks up test inputs data together with alternative conditional expectation ACE regression for constructing response surface (RS) provide a small computation and good fitting effects method.
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