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Symptom-based reliability and generalized repairing cost in monitored bridges

机译：受监控桥梁中基于症状的可靠性和普遍的维修成本

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This paper proposes the use of structural safety formulations conceived to take into account the presence of periodic monitoring systems. Monitoring is a valid tool to improve the safety of those structural systems that cannot withstand invasive tests or interventions that would alter their nature or their intended use. Reliability can be defined as a function of a measurable quantity that reflects the damage, referred to as symptom, and it can also be defined as a function of several symptoms considered simultaneously. A knowledge of the current value of a symptom makes it possible to determine the residual damage capacity and the residual lifetime of a structure. Redefining structural safety in terms of residual lifetime provides the theoretical framework for the introduction of vibration-based monitoring activities in probabilistic formulations. In the last part of the paper, by relating damage to reliability with respect to collapse, the generalized maintenance cost for a concrete bridge deck was analyzed in order to verify the economic advantages offered by dynamic monitoring.
机译：本文建议使用结构安全公式，以考虑到定期监视系统的存在。监视是一种有效的工具，可以提高那些无法经受会改变其性质或预期用途的侵入式测试或干预的结构系统的安全性。可靠性可以定义为反映损害的可衡量数量的函数，称为症状，也可以定义为同时考虑的多种症状的函数。了解症状的当前值可以确定结构的剩余破坏能力和剩余寿命。在剩余寿命方面重新定义结构安全性，为在概率公式中引入基于振动的监视活动提供了理论框架。在本文的最后部分，通过将破坏与可靠性和倒塌相关联，对混凝土桥面板的一般维护成本进行了分析，以验证动态监控所提供的经济优势。

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