The load reduction factors of the multiple cranes are estimated with simplified probabilistic model of the load effect combination.
并以简化的荷载效应组合概率模型，计算出多台吊车组合时的荷载折减系数。
Shelf load structure shall be above the most adverse effect of combination of the design.
货架结构应按上列荷载效应的最不利组合设计。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响，荷载组合复杂。
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