Snow and Earthquake Load Combination Considering Snow Accumulation

Abstract eng:
In certain parts of the USA, both earthquake and snow hazards may be significant. Turkstra’s rule is commonly used for load combinations. However, the rule may not be acceptable for structures that are exposed to both snow and earthquake loads that assume a significant level. In this paper, a hazard simulation computer program (HASP) is developed and Monte Carlo Simulation is performed to investigate such cases. Reliability indexes for a one-story structure are evaluated in terms of different snow load factors, including the current code required snow load factor 0.2. The simulation results show that a snow load factor of 0.2 might lead to slightly lower reliability for seismic design in high snow load area.

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