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以现行规范为依据,阐述了桥梁承载力评定中检算系数的取值问题。结合西藏地区实际情况,通过分析藏区影响桥梁承载力的主要环境因素以及现实条件,提出了应用层次分析法及变权理论对承载力评定检算系数进行权重修正(指标增减及权重重新分配情况)的方法,得到经修正的承载力评定系数,为西藏地区桥梁承载力的评定提供了可靠的保证。
Based on the current code, the value of checking coefficient in bridge bearing capacity assessment is expounded. According to the actual situation in Tibet, by analyzing the main environmental factors affecting the bearing capacity of bridges and the actual conditions in Tibetan areas, this paper proposes the application of analytic hierarchy process and variable weight theory to carry out weight correction (index increase and decrease and weight redistribution Situation), the revised coefficient of assessment of the bearing capacity is obtained, which provides a reliable guarantee for the assessment of the bearing capacity of the bridge in Tibet.