NEHRP Clearinghouse
- Title
- Stochastic Models for Dependent Load Processes.
- File
- PB81219735.pdf
- Author(s)
- Wen, Y. K.; Pearce, H. T.
- Source
- National Science Foundation, Washington, DC., March 1981, 81 p.
- Identifying Number(s)
- ['STRUCTURAL RESEARCH SER-489', 'UILU-ENG-81-2002']
- Abstract
- Stochastic models for dependent loads and load effects are developed. The effects of stochastic dependencies on load combination and structural reliability are investigated in the context of summation of pulse processes in which occurrence time, intensity and duration are allowed to be correlated within each process and between processes. Approximate analytical solutions based on a load coincidence method are obtained and verified by Monte-Carlo simulations. It is found that while within load positive correlations may generally have only moderate effect on the combined load probability, between-load dependencies may be dominant factors and significantly increase the probability of threshold level being exceeded by the combined load.
- Keywords
- ; Structures; Random processes; Dynamic loads; Monte Carlo method; Reliability; Storms; Stochastic processes; Earthquakes