نتایج جستجو برای: bridge deterioration
تعداد نتایج: 85096 فیلتر نتایج به سال:
The safe and long-term serviceability of concrete structures is one the methods how to improve sustainability industry. This study presents a pilot application an~integrated system for online monitoring service life prediction bridges. consists strain gauges measuring structural response coupled with laser rangefinder detection bridge-crossing traffic. measured data were used development comput...
The development of structural health monitoring (SHM) technology has evolved for over fifteen years in Hong Kong since the implementation of the “Wind And Structural Health Monitoring System (WASHMS)” on the suspension Tsing Ma Bridge in 1997. Five cable-supported bridges in Hong Kong, namely the Tsing Ma (suspension) Bridge, the Kap Shui Mun (cable-stayed) Bridge, the Ting Kau (cable-stayed) B...
This paper presents a systematic approach for bridge maintenance management that combines a stochastic Markovian performance prediction model with a multi-objective optimization procedure to determine the optimal allocation of funds and prioritization of bridges for maintenance, repair and replacement (MR&R). The prioritization of the bridges is based on the satisfaction of several conflicting ...
This paper presents long-term condition assessment approaches of cables and bridge decks under in-service loads based on Structural Health Monitoring (SHM) technique. Aiming to the critical structural components, three important issues related to the long term performance evaluation, including loads and responses modelling, resistance degradation and fatigue life assessment, were investigated i...
a deterioration and the consequent status of feeblemindedness, this child must receive treatment different from that given the entirely normal individual. The mentality, both functional and structural, must be determined by an analysis which will reveal the phases where special training is required by the child. This analysis is made by the use of well defined and carefully administered tests. ...
Deterioration and aging of bridges structures and damage caused by strong earthquakes might be conducive to collapse of the bridge, sometimes with catastrophic consequences. Therefore, investigation of structural condition of bridges is necessary for secure safe road operations. This paper presents a prototype of piezoelectric-cable sensor for vibration monitoring system that permits easy evalu...
Structural deterioration is becoming a major problem when considering long term performance of infrastructures. The existence of a corrosive environment, cyclic loading and concrete cracking cause structural strength degradation. The interaction of these conditions can only be taken into account when modeling the coupled action. In this paper, a new model to assess lifetime of RC structures sub...
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