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运用空间有限梁单元理论,建立了桥上博格结构的纵向力计算模型,以3跨32m简支梁为例分析了滑动层失效对钢轨、轨道板、底座板、固结机构、墩台与端刺等结构部件温度附加力的影响。结果表明,滑动层失效将会对桥上博格结构各结构层的温度附加力产生很大的影响。
Based on the finite element theory of the beam, the longitudinal force calculation model of the Borg structure on the bridge was established. Taking the 32m simply supported beam of 3 spans as an example, the influence of sliding layer failure on the stability of the rail, track plate, base plate, consolidation mechanism, Impingement and other structural components temperature additional force. The results show that the sliding layer failure will have a great impact on the additional temperature force of each layer of the Bourg structure on the bridge.