Article
Engineering, Civil
X. X. Cheng, Z. Y. Song
Summary: To facilitate effective structural analyses of long-span bridges, high-fidelity numerical models are essential. Model updating is crucial for ensuring the accuracy of numerical models in simulation processes, however, current issues include the difficulty in obtaining reference information for model updating and the high computational costs of traditional sensitivity analyses. This study validates the applicability of a low sensing resource moving sensor modal test for Yingzhou Bridge, and proves the effectiveness of replacing detailed models with simplified models for model updating.
Article
Engineering, Civil
Alberto Martini, Eleonora M. Tronci, Maria Q. Feng, Ryan Y. Leung
Summary: This paper presents a new computer vision-based method that simultaneously provides the moving vehicle's tire loads, the location of the loads on a bridge, and the bridge's response displacements, based on which the bridge's influence lines can be constructed. The method employs computer vision techniques to measure the displacement influence lines of the bridge at different target positions, which is then later used to perform model updating of the finite element models of the monitored structural system. The method offers a low-cost non-contact monitoring tool that can be efficiently used without disrupting traffic for bridges in model updating analysis or long-term structural health monitoring.
ENGINEERING STRUCTURES
(2022)
Article
Construction & Building Technology
Ying Zhao, Jingjing Zhang, Dongsheng Li, Daocheng Zhou, Dabo Xin
Summary: This paper proposes a finite element model updating method for bridge structures based on an improved response surface method, which introduces radial basis function as the augmentation term of polynomial function, and improves the fitting accuracy of the global response surface model. The convergence speed and accuracy of the response surface model optimization solution are improved by enhancing the regression step and annealing strategy in the simulated annealing algorithm. The method is validated using numerical cases and the safety condition of the main bridge is evaluated, showing significant improvement in accuracy and performance.
STRUCTURAL CONTROL & HEALTH MONITORING
(2023)
Article
Engineering, Civil
Mohammad Abedin, Francisco J. De Caso y Basalo, Nafiseh Kiani, Armin B. Mehrabi, Antonio Nanni
Summary: This paper investigates the performance of a precast-prestressed box-beam bridge that has been in service for more than 50 years. The study identifies damage at the deck longitudinal joints and introduces a new method for detecting such damage in bridges with precast deck panels. The results show that joint damage affects bridge integrity and load-carrying capacity.
ENGINEERING STRUCTURES
(2022)
Article
Engineering, Mechanical
Zhifu Cao, Haibo Wei, Daosen Liang, Zichu Jia, Jianyao Yao, Dong Jiang
Summary: In nonlinear finite element model updating (FEMU), improving the efficiency for large-scale structures is a major challenge. The computational time of updating depends on the degree-of-freedom of the finite element model and the chosen optimization algorithm. This work presents a novel dynamic response sensitivity-based nonlinear FEMU method using substructures to reduce computation and updating time. The proposed method effectively and efficiently updates the nonlinear finite element model with high accuracy.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2023)
Article
Engineering, Multidisciplinary
Zhifu Cao, Qingguo Fei, Dong Jiang, Rakesh K. Kapania, Shaoqing Wu, Hui Jin
Summary: This paper presents a novel non-intrusive sensitivity-based nonlinear finite element model updating method, which estimates nonlinear parameters through sensitivity analysis and optimization algorithm. The proposed method is effective in updating the model even in the presence of contaminated measurement data and different initial parameters.
APPLIED MATHEMATICAL MODELLING
(2021)
Article
Engineering, Mechanical
Maria Girardi, Cristina Padovani, Daniele Pellegrini, Leonardo Robol
Summary: Finite element model updating of linear elastic structure involves solving a minimization problem to determine unknown parameters that minimize the discrepancy between experimental and numerical dynamic properties. A numerical method capable of finding a global minimum point and evaluating its reliability has been presented and validated through simulated examples and a real case study. This updating process is essential in structural engineering for calibration, damage detection, and obtaining more reliable predictions of a structure's dynamic behavior.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2021)
Article
Engineering, Mechanical
Shuai Cong, Sau-Lon James Hu, Hua-Jun Li
Summary: This paper proposes an efficient FRF-based FE model updating method that utilizes the poles and zeros associated with measured FRFs to simultaneously update the system's stiffness, damping, and mass parameters. Numerical examples show that the proposed method performs excellently.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Engineering, Civil
Bjorn T. Svendsen, Oyvind W. Petersen, Gunnstein T. Froseth, Anders Ronnquist
Summary: This paper presents a new method to obtain an optimal solution for bridge modal properties through sensitivity analysis of numerical models. The feasibility of the method is demonstrated in an experimental case study, where an improvement in modal parameters is obtained.
STRUCTURE AND INFRASTRUCTURE ENGINEERING
(2023)
Article
Chemistry, Analytical
Doron Hekic, Andrej Anzlin, Maja Kreslin, Ales Znidaric, Peter Cesarek
Summary: The FE model updating of bridges is usually based on the measured modal parameters, but rarely considers the strain measurements from sensors used for weighing vehicles. This study used strain data from a B-WIM system to update the overall stiffness of a multi-span concrete highway viaduct. The analysis demonstrated the importance of initial manual FE model updating and the potential for using B-WIM data for long-term monitoring of structural parameters.
Article
Chemistry, Analytical
Farid Ghahari, Niloofar Malekghaini, Hamed Ebrahimian, Ertugrul Taciroglu
Summary: Rapid post-earthquake damage diagnosis of bridges can guide decision-making for emergency response management and recovery. A sequential Bayesian model updating technique is presented in this study to reduce uncertainties in damage assessment by integrating sensory data with prior models. The efficacy of the technique is verified through numerical and real-world case studies.
Article
Engineering, Civil
Aliasghar Talebi, Francesco Potenza, Vincenzo Gattulli
Summary: Finite Element Model (FEM) updating is the process of minimizing errors between experimental measurements and response simulated by FEMs. This paper investigates the potential for automatic model updating through the interoperability between FEMs, Building Information Modeling (BIM), and experimentally vibration-based information. The ability of this exchange is assessed through a methodology applied to a pedestrian walkway.
Article
Acoustics
Akbar Esfandiari, Masoud Sanayei
Summary: Many researchers study structural model updating and parameter estimation using sensitivity-based methods, with accurate sensitivity relations having a significant impact on parameter estimation accuracy. Careful consideration of the weighted form of sensitivity relations and solution techniques is crucial for accurate structural parameter estimation. The least squares method, considering normalized structural parameters as unknowns, is found to provide the most accurate parameter estimates.
JOURNAL OF SOUND AND VIBRATION
(2021)
Article
Green & Sustainable Science & Technology
Guoqiang Zhong, Yufeng Bi, Jie Song, Kangdi Wang, Shuai Gao, Xiaonan Zhang, Chao Wang, Shang Liu, Zixiang Yue, Chunfeng Wan
Summary: A health monitoring system for bridges is limited in collecting measurement data due to cost limitations, which hinders the establishment of complete monitoring information. This study proposes a solution by updating the finite element model and utilizing numerical simulation techniques to reconstruct the temperature field of the entire bridge. By applying deep learning methods to expand the limited measured temperature data, the complete measured temperature field of the whole bridge is established. This is crucial for supplementing health monitoring information and accurately evaluating the structural safety and service performance of long bridges.
Article
Engineering, Civil
Leqia He, Chiara Castoro, Angelo Aloisio, Zhiyong Zhang, Giuseppe C. Marano, Amedeo Gregori, Changgen Deng, Bruno Briseghella
Summary: The article focuses on dynamic identification and FE modelling of a butterfly-arch stress-ribbon pedestrian bridge in Fuzhou, China, using Stochastic Subspace Identification method for operational modal parameters estimation and developing four FE models to investigate modal sensitivity and automatic parametric optimization.
STRUCTURE AND INFRASTRUCTURE ENGINEERING
(2022)
Article
Engineering, Mechanical
O. W. Petersen, O. Oiseth, E. Lourens
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2019)
Article
Engineering, Ocean
Thomas Viuff, Bernt Johan Leira, Xu Xiang, Ole Oiseth
APPLIED OCEAN RESEARCH
(2019)
Article
Multidisciplinary Sciences
Torodd S. Nord, Oyvind W. Petersen, Hayo Hendrikse
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
(2019)
Article
Construction & Building Technology
Giorgio Diana, Stoyan Stoyanoff, Ketil Aas-Jakobsen, Andrew Allsop, Michael Andersen, Tommaso Argentini, Miguel Cid Montoya, Santiago Hernandez, Jose Angel Jurado, Hiroshi Katsuchi, Igor Kavrakov, Ho-Kyung Kim, Guy Larose, Allan Larsen, Guido Morgenthal, Ole Oiseth, Simone Omarini, Daniele Rocchi, Martin Svendsen, Teng Wu
STRUCTURAL ENGINEERING INTERNATIONAL
(2020)
Article
Engineering, Civil
O. W. Petersen, O. Oiseth, E. Lourens
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
(2020)
Article
Engineering, Civil
Thomas Viuff, Xu Xiang, Bernt Johan Leira, Ole Oiseth
JOURNAL OF BRIDGE ENGINEERING
(2020)
Article
Engineering, Civil
Tor M. Lystad, Aksel Fenerci, Ole Oiseth
ENGINEERING STRUCTURES
(2020)
Article
Construction & Building Technology
Aksel Fenerci, Knut Andreas Kvale, Oyvind Wiig Petersen, Anders Ronnquist, Ole Oiseth
Summary: This data paper describes a large data set of wind and acceleration data collected through long-term monitoring of the Hardanger Bridge in Norway. The data set includes both raw and organized data, published in an open-access data repository. The paper discusses the monitoring system used, methods of signal processing and data adjusting, as well as the organization and summary of the data set.
JOURNAL OF STRUCTURAL ENGINEERING
(2021)
Article
Acoustics
Knut Andreas Kvale, Ole Oiseth
Summary: In this study, numerical predictions of the dynamic response of an existing floating pontoon bridge are compared with measured data. Hydrodynamic analysis and a beam model are combined in a finite element method framework for stochastic response prediction. The study emphasizes predictions under serviceability and ultimate limit state conditions, discussing the overall quality of the prediction model.
SHOCK AND VIBRATION
(2021)
Article
Engineering, Mechanical
O. W. Petersen, O. Oiseth, E. Lourens
Summary: Wind loading is a crucial factor in the design and evaluation of long-span bridges, but it is often unknown and cannot be directly measured. This study combines Gaussian process latent force models with Kalman filter-based algorithms to accurately estimate wind loads and system states of bridges using data from monitoring systems and wind tunnel tests.
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
(2022)
Article
Construction & Building Technology
Knut Andreas Kvale, Aksel Fenerci, Oyvind Wiig Petersen, Anders Ronnquist, Ole Oiseth
Summary: Wind, wave, displacement, and acceleration data were collected on Norway's Bergsoysund Bridge from 2014 to 2018. The collected data, which has undergone minimal signal processing and adjustment, is now freely available for access and download in two hierarchical data format (h5) files with different sampling rates. Examples on how to import and browse through the data using a Python package are also provided.
JOURNAL OF STRUCTURAL ENGINEERING
(2023)
Article
Engineering, Industrial
Dario Fernandez Castellon, Aksel Fenerci, Oyvind Wiig Petersen, Ole Oiseth
Summary: Recent findings suggest that the assumptions used in most wind-resistant design guidelines for long-span bridges are not conservative enough. This paper proposes a computational framework to improve the efficiency of long-term analysis for wind-resistant design by combining Gaussian process regression and importance sampling Monte Carlo simulations.
RELIABILITY ENGINEERING & SYSTEM SAFETY
(2023)
Proceedings Paper
Engineering, Civil
Knut Andreas Kvale, Ole Oiseth, Anders Ronnquist
DYNAMICS OF CIVIL STRUCTURES, VOL 2
(2019)
Article
Construction & Building Technology
A. Zasso, T. Argentini, S. Omarini, D. Rocchi, O. Oiseth
Article
Engineering, Civil
Oyvind Wiig Petersen, Ole Oiseth, Eliz-Mari Lourens
JOURNAL OF CIVIL STRUCTURAL HEALTH MONITORING
(2019)
Article
Engineering, Civil
Renbing An, Jiacong Yuan, Yi Pan, Duhang Yi
Summary: Traditional timber structures built on sloped land are more susceptible to seismic damage compared to structures built on flat land. The upper portion of the structure is found to be the weak point on sloped land, with potential issues such as tenon failure and column foot sliding.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Elyas Bayat, Federica Tubino
Summary: The current design guidelines for assessing floor vibration performance do not consider the influence of variability in the walking path on the dynamic response of floors. This study investigates the dynamic response of floors under a single pedestrian walking load, taking into account the randomness of the walking path and load. The effectiveness of the current guidelines in predicting floor response is critically assessed.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Gao Ma, Chunxu Hou, Hyeon-Jong Hwang, Linghui Chen, Zhenhao Zhang
Summary: Minimizing earthquake damage and improving repair efficiency are the main principles of resilient structures. This study proposed a repairable column with UHPC segments and replaceable energy dissipaters. The test results showed that the columns with UHPC segments and replaceable dissipaters exhibited high strength, deformation capacity, and energy dissipation.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Kartheek S. M. Sonti, Pavan Kumar Penumakala, Suresh Kumar Reddy Narala, S. Vincent
Summary: In this study, the compressive behavior of alumina hollow particles reinforced aluminum matrix syntactic foams (AMSF) was investigated using analytical, numerical, and experimental methods. The results showed that the FE solver ABAQUS could accurately predict the elastic and elastio-plastic behavior of AMSFs. The study also suggested that FE models have great potential in developing new materials and composites under compression loading.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Zheqi Peng, Xin Wang, Zhishen Wu
Summary: In this study, the statistical modeling of fiber-reinforced polymer (FRP) cables using the classic fiber bundle model is explored. The study considers important features of large-scale multi-tendon FRP cables, such as initial random slack and uneven tensile deformation among tendons. A parametric study and reliability analysis are conducted to predict the load-displacement relation and design thousand-meter-scale FRP cables. The study emphasizes the relation between the reliability index beta of the cable and the safety factor gamma of the FRP material.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Yanchao Shi, Shaozeng Liu, Ye Hu, Zhong-Xian Li, Yang Ding
Summary: This paper introduces a damage assessment method for reinforced concrete (RC) columns under blast loading, using modal parameter measurement as the evaluation index. The validity of the proposed method is validated through numerical and experimental analysis. The results show that this modal-based damage assessment method is applicable for non-destructive evaluation of blast-induced damage of RC columns.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Xiaolin Zou, Maosheng Gong, Zhanxuan Zuo, Qifang Liu
Summary: This paper proposes an efficient framework for assessing the collapse capacity of structures in earthquake engineering. The framework is based on an accurate equivalent single-degree-of-freedom (ESDOF) system, calibrated by a meta-heuristic optimization method. The proposed framework has been validated through case studies, confirming its accuracy and efficiency.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Jie Hu, Weiping Wen, Chenyu Zhang, Changhai Zhai, Shunshun Pei, Zhenghui Wang
Summary: A deep learning-based rapid peak seismic response prediction model is proposed for the most common two-story and three-span subway stations. The model predicts the peak seismic responses of subway stations using a data-driven approach and limited information, achieving good predictive performance and generalization ability, and demonstrating significantly higher computational efficiency compared to numerical simulation methods.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Jin Ho Lee, Jeong-Rae Cho
Summary: A simplified model is proposed to estimate the earthquake responses of a rectangular liquid storage tank considering the fluid-structure interactions. The complex three-dimensional structural behavior of the tank is represented by a combination of fundamental modes of a rectangular-ring-shaped frame structure and a cantilever beam. The system's governing equation is derived, and earthquake responses such as deflection, hydrodynamic pressure, base shear, and overturning moment are obtained from the solution.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
W. J. Lewis, J. M. Russell, T. Q. Li
Summary: The work discusses the key features and advantages of optimal 2-pin arches shaped by statistically prevalent load and constant axial stress. It extends the design space of symmetric arches to cover asymmetric forms and provides minimum values of constant stress for form-finding of such arches made of different materials. The analysis shows that constant stress arches exhibit minimal stress response and have potential implications for sustainability and durability of future infrastructure.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Wen-ming Zhang, Han-xu Zou, Jia-qi Chang, Tian-cheng Liu
Summary: Saddle position is crucial in the construction and control of suspension bridges. This study proposes an analytical approach to estimate the saddle positions in the completed bridge state and discusses the calculation under different definitions. The relationship between the saddle position and the tower's centerline is analyzed, along with the eccentric compression of the tower. The feasibility of the proposed method is verified through a real-life suspension bridge.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Shaise K. John, Alessio Cascardi, Yashida Nadir
Summary: This study experimentally investigated the use of TRM material for reinforcing concrete columns. The results showed that increasing the number of textile layers effectively increased the axial strength. Additionally, the choice of fiber type and hybrid textile configuration also had a significant impact on strength improvement. A new design model that considers the effects of both the confining matrix and textile was proposed.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Chandrashekhar Lakavath, S. Suriya Prakash
Summary: This study experimentally investigated the shear behavior of post-tensioned UHPFRC girders, considering factors such as prestress level, fiber volume fraction, and types of steel fibers. The results showed that increasing prestress and fiber dosage could enhance the ultimate load-carrying capacity of the girders, reduce crack angle, and increase shear cracking load.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Vahid Goodarzimehr, Siamak Talatahari, Saeed Shojaee, Amir H. Gandomi
Summary: In this paper, an Improved Marine Predators Algorithm (IMPA) is proposed for size and shape optimization of truss structures subject to natural frequency constraints. The results indicate that IMPA performs better in solving these nonlinear structural optimization problems compared to other state-of-the-art algorithms.
ENGINEERING STRUCTURES
(2024)
Article
Engineering, Civil
Chun-Xu Qu, Jin-Zhao Jiang, Ting-Hua Yi, Hong-Nan Li
Summary: In this paper, a computer vision-based method is proposed to monitor the deformation and displacement of building structures by obtaining 3D coordinates of surface feature points. The method can acquire a large number of 3D coordinates in a noncontact form, improve the flexibility and density of measurement point layout, and is simple and cost-effective to operate.
ENGINEERING STRUCTURES
(2024)