Journal of Infrastructure Preservation and Resilience
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Time-dependent reliability of (weighted) k-out-of-n systems with identical component deterioration
Journal of Infrastructure Preservation and Resilience - Tập 2 - Trang 1-10 - 2021
The performance of civil infrastructure systems is vital in supporting a community’s functionalities. Reliability assessment of these systems is a powerful approach to evaluate whether the system performance is desirably safe under the impacts of resistance degradation and non-stationary loads. A k-out-of-n system is a widely-used logic model for a system with n components, which survives (works) ......
Probabilistic analysis of long-term loss incorporating maximum entropy method and analytical higher-order moments
Journal of Infrastructure Preservation and Resilience - Tập 3 - Trang 1-17 - 2022
Quantifying economic losses of civil infrastructures subjected to various hazards under a life-cycle context is of vital importance for risk assessment and management. In previous studies, the expected long-term loss has been widely applied as a standard decision criterion during the life-cycle analysis. However, the expectation may not be informative enough to illustrate uncertainties associated ......
Analysis methodology and assessment indices of vulnerability for asphalt pavement in cold regions
Journal of Infrastructure Preservation and Resilience - Tập 2 - Trang 1-14 - 2021
Asphalt pavement structures in cold regions, which suffer from complicated environmental and geological conditions, such as large temperature difference and frozen soil, are prone to cracking, rutting, and moisture damage. However, most of the existing assessment methodologies focus on the vulnerability of the overall road traffic network, ignoring the impact of regional differences and pavements’......
Enclosing contour tracking of highway construction equipment based on orientation-aware bounding box using UAVAbstract Construction equipment tracking of highway construction site can obtain the spatiotemporal location in real time and provide data basis for construction risk control. The complete 2D moving of construction equipment in surveillance videos could be spatially represented by the translation, rotation and size change of corresponding images. To describe the tem... ...
Journal of Infrastructure Preservation and Resilience -
A novel random finite element model for holistically modeling of the frost effects on soils and cold region pavements
Journal of Infrastructure Preservation and Resilience - Tập 3 - Trang 1-14 - 2022
This paper describes the development of a random finite element model (RFEM) that allows holistic simulation of frozen soil behaviors, including the effects of phase transition and the consequent internal stress and volume changes. The performance of the model is firstly validated with laboratory experiments. The model is implemented to simulate the effects of frost action on pavement. The coupled......
Probabilistic analysis of climate change impact on chloride-induced deterioration of reinforced concrete considering Nordic climate
Journal of Infrastructure Preservation and Resilience - Tập 3 - Trang 1-16 - 2022
The impact of climate change on the deterioration of reinforced concrete elements have been frequently highlighted as worthy of investigation. This article addresses this important issue by presenting a time-variant reliability analysis to assess the effect of climate change on four limit states; the probabilities of corrosion initiation, crack initiation, severe cracking, and failure of a simply ......
Multi-sensor data collection and fusion using autoencoders in condition evaluation of concrete bridge decks
Journal of Infrastructure Preservation and Resilience - Tập 2 - Trang 1-12 - 2021
This paper presents a multi-sensor data collection and data fusion procedure for nondestructive evaluation/testing (NDE/NDT) of a concrete bridge deck. Three NDE technologies, vertical electrical impedance (VEI), ground-penetrating radar (GPR), and high-definition imaging (HDI) for surface crack detection, were deployed on the bridge deck. A neural network autoencoder was trained to quantify the r......
Model development and prediction of anti-icing longevity of asphalt pavement with salt-storage additiveAbstract This study established a systematic simulation framework to predict the anti-icing longevity of a thin overlay of asphalt pavement with salt-storage additive (APSSA). The water and chloride transport in the overlay when subjected to varying precipitation, temperature, thermal cracking, and fatigue cracking over time were modeled using a Finite Element Metho... ...
Journal of Infrastructure Preservation and Resilience - Tập 3 Số 1 - 2022
Meta-analysis on PET plastic as concrete aggregate using response surface methodology and regression analysis
Journal of Infrastructure Preservation and Resilience - Tập 4 - Trang 1-15 - 2023
This paper aims to thoroughly analyze the effect of polyethylene terephthalate (PET) plastic aggregate on concrete compressive strength using a meta-analysis. Forty-three datasets for concrete containing PET coarse aggregate and 60 data sets for concrete containing PET fine aggregate were collected. The input variables used were percentage and nominal maximum size of PET aggregate along with the c......
Acoustic emission-based damage localization using wavelet-assisted deep learning
Journal of Infrastructure Preservation and Resilience - Tập 3 - Trang 1-24 - 2022
Acoustic Emission (AE) has emerged as a popular damage detection and localization tool due to its high performance in identifying minor damage or crack. Due to the high sampling rate, AE sensors result in massive data during long-term monitoring of large-scale civil structures. Analyzing such big data and associated AE parameters (e.g., rise time, amplitude, counts, etc.) becomes time-consuming us......
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