"Pocket-monitoring" for fatigue safety verification of a RC bridge deck slab

被引：0
|
作者：
Bayane, I. [1 ]
Bruhwiler, E. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Maintenance & Safety Struct MCS, Lausanne, Switzerland
来源：
LIFE-CYCLE ANALYSIS AND ASSESSMENT IN CIVIL ENGINEERING: TOWARDS AN INTEGRATED VISION | 2019年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The fatigue safety of the reinforced concrete (RC) deck slab of a sixty-year-old steel-concrete road viaduct is questioned based on the results of code-based "re-calculation". Since strengthening intervention would lead to major costs, detailed investigation of the fatigue safety was performed using data obtained from "pocket-monitoring" which is a rational and ready-to-use monitoring device for bridge engineers. The implemented "pocket-monitoring" concept for the determination of fatigue action effects in the RC deck slab is outlined. Results in terms of fatigue relevant stresses in steel rebars of the RC deck slab reveal that the fatigue safety requirements are largely fulfilled based on the proposed verification method using directly data from monitoring. In addition, uncertainties related to the "pocket-monitoring" concept, and in particular the influence of temperature effects, are outlined and analyzed.
引用
收藏
页码：2525 / 2532
页数：8
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