Extraordinary Live Load Model in Retail Premises

by Jun Kanda, Univ of Tokyo, Japan,
Kazushige Yamamura, Univ of Tokyo, Japan,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


Based on a live load survey on six supermarkets, the probabilistic nature of sustained live loads and simulated extraordinary live loads were examined. The simulation was performed to represent personnel concentration, i.e. crowding in emergency situation with the personnel density as a parameter. An empirical extreme value distribution with upper and lower bound limits was successfully applied to match the cumulative probability plots of simulated results. The reliability index was computed to discuss the safety level of the current Japanese design practice.

Subject Headings: Live loads | Load factors | Structural reliability | Load distribution | Building design | Probability distribution | Emergency management | Parameters (statistics)

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