CAREER: Predicting Bridge Life-Cycle Deterioration By Integrating Condition States with System Performance

在我们的民用基础设施系统急需更新的时候，我们正在努力改善维修程序和状况评估方法。本职业发展计划涉及与基础设施更新有关的当前问题。研究工作被整合到一个围绕基础设施更新工程相关主题的研究和教育计划中。作为研究计划的一部分，将开发基于性能的桥梁老化预测模型。预测模型将跟踪组件和系统参数（如组件容量和系统额定负载）作为时间的函数，并将基于在现场获得的混合定量和定性信息。通过使用为单个桥梁开发的案例历史和隔离与桥梁恶化的具体原因相关的参数，可以将模型推广到考虑桥梁类型，使用和环境条件的一组参数。预测模型将考虑由于老化和损坏导致的结构性能变化。

At a time when our civil infrastructure systems are in dire need of renewal, efforts are being made to improve maintenance procedures and condition assessment practice. This Career development plan addresses current issues related to infrastructure renewal. The research work is integrated into a research and education program which revolves around topics related infrastructure renewal engineering. As part of the research program, performance-based prediction models for bridge deterioration will be developed. The prediction models will track component and system parameters (such as component capacity and system load rating) as a function of time and will be based on the mixed quantitative and qualitative information obtained in the field. By using case histories developed for individual bridges and isolating parameters which relate specific causes to bridge deterioration it will be possible to generalize the models to a set of parameters which consider bridge type, use, and environmental conditions. The prediction model will consider changes in structural performance due to deterioration and damage.