2019
DOI: 10.3390/su11236593
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Maintenance Cost Estimation in PSCI Girder Bridges Using Updating Probabilistic Deterioration Model

Abstract: A deterioration model plays an important role to predict the valid total maintenance cost for sustainable maintenance of bridges. In the current state-of-the-art, the deterioration model has regression parameters as a probabilistic process by an initially determined mean and standard deviation, called an existing model. However, the existing model has difficulty to predict maintenance costs accurately, because it cannot reflect an information based on structural damage at an operational stage. In this research… Show more

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Cited by 10 publications
(5 citation statements)
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“…Figures 18 and 19 show the correlation of the states for PBSC8-1 and The state estimation of these two sets of states can be compared with the results shown in Figures 5 and 6. The first set of the states, i.e., 𝑚, 𝛼, and 𝛽, can derive 𝐶 using Equation (32). In addition, the second set of the states, i.e., 𝐶, 𝛼, and 𝛽, can derive 𝑚 using Equation (37).…”
Section: Pearson Correlation Between Paris Parametersmentioning
confidence: 99%
See 1 more Smart Citation
“…Figures 18 and 19 show the correlation of the states for PBSC8-1 and The state estimation of these two sets of states can be compared with the results shown in Figures 5 and 6. The first set of the states, i.e., 𝑚, 𝛼, and 𝛽, can derive 𝐶 using Equation (32). In addition, the second set of the states, i.e., 𝐶, 𝛼, and 𝛽, can derive 𝑚 using Equation (37).…”
Section: Pearson Correlation Between Paris Parametersmentioning
confidence: 99%
“…When the random responses of a structural system are monitored and available, state estimation techniques can be employed to predict the distribution of system responses. In this case, the state of the system is a variable representing the internal conditions and state of the system [31,32].…”
Section: Introductionmentioning
confidence: 99%
“…However, as a type of AI machine learning technique, studies using the particle filtering technique, which can be applied to bridges or road pavements that change state in time series, have been conducted [29][30][31]. Particle filtering is a technique applicable when predicting non-linear and non-Gaussian distributions, which is known to be applied even when the information on the initial distribution is relatively unclear compared to the existing Bayesian method [32,33].…”
Section: Infrastructure Management Related Database Based On Machine/...mentioning
confidence: 99%
“…Studying the operating costs mostly focused on allocation and optimization, while the research on operating cost prediction is less and mostly focused on the field of maintenance costs. For example, maintenance cost estimation based on deterioration model [7], bridge maintenance cost allocation based on prioritization indexes [8], routine maintenance cost prediction based on linear regression and time series analysis [9], bridge maintenance cost optimization based on system reliability analysis and genetic algorithm [10]. At present, there are few studies on the bridge defect detection cost, and the cost is usually regarded as the product of the fixed detection times and the unit detection cost.…”
Section: Introductionmentioning
confidence: 99%