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Artykuły w czasopismach na temat „Bridges”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Abdul Salam, Ayisha Sana, and Anila S. "Response of T Beam Bridge by Varying Skew Angle." Journal of Recent Activities in Infrastructure Science 9, no. 2 (2024): 22–26. http://dx.doi.org/10.46610/jorais.2024.v09i02.003.

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Bridges are ensuring the smooth flow of goods and people. The seismic performance of bridges, especially those with unique geometries, such as T-beam bridges with zero skew angles, is paramount in earthquake-prone regions. This project comprehensively analyses a T-beam bridge with a 10⁰ to 50⁰ skew angle. The response of T-beam bridges to varying skew angles is a critical area of study in structural engineering, as skewed bridges are standard in modern infrastructure due to geometric and site constraints. This research investigates the impact of different skew angles on the structural performa

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Radnić, Jure, Domagoj Matešan, and Ivan Banović. "Bridges with multiple structural systems: The example of Trilj Bridge reconstruction in Croatia." Bridge Structures 17, no. 1-2 (2021): 65–75. http://dx.doi.org/10.3233/brs-210185.

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Development of multiple structural systems for bridges is useful in the design of new bridges and rehabilitation of existing bridges. This paper briefly presents some existing bridges with multiple structural systems and succinctly discusses design ideas for bridges with such systems. As an example of a bridge with multiple structural systems, the paper presents the reconstruction of a pedestrian suspension bridge in the City of Trilj, Croatia. The new bridge’s load-bearing structure is composed of several structural systems. Namely, the reconstructed bridge is a combination of suspension, cab

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3

Mohandas G.V and Sitansu k.Panda. "Hair pin bends of epicardial coronary arteries - a unique feature in multiple myocardial bridges." International Journal of Research in Pharmaceutical Sciences 10, no. 3 (2019): 2250–54. http://dx.doi.org/10.26452/ijrps.v10i3.1460.

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Myocardial bridge(MB) is an anatomical variant. Sometimes MB can cause compression over the coronary arteries and causes ischemic heart diseases.MB associated with bends of coronary arteries double the risk of coronary artery disease. So the present study aimed to find out the incidence of bends of the coronary artery along with the myocardial bridging. 100 heart specimens were obtained from routine dissection conducted for undergraduate students in the department of Anatomy IMS & SUM Hospital Bhubaneswar. After the simple dissecting procedure, epicardial coronary arteries, their branches

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Mataich, Hafid, and Prof Bouchta El Amrani. "Dynamic Response of Suspension Bridges Due to Coupling Between Buffeting and Aeroelastic Flutter." International Journal of Emerging Science and Engineering 13, no. 2 (2025): 30–39. https://doi.org/10.35940/ijese.k9974.13020125.

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The effects of turbulent winds on suspension bridges are considerable, significantly influencing the bridge's floating instability and, as a result, its safety and performance. Predicting the coupled response of buffeting and flutter in suspension bridges is an advanced area of structural and aeroelastic engineering. Buffeting and flutter are not independent phenomena; buffeting, by exciting specific natural frequencies of the bridge, can contribute to the onset of flutter. Furthermore, once flutter is triggered, it alters the dynamics of the bridge, potentially amplifying the effects of buffe

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5

SOUSA, Helder, Bruno J. A. COSTA, António Abel HENRIQUES, João BENTO, and Joaquim A. FIGUEIRAS. "ASSESSMENT OF TRAFFIC LOAD EVENTS AND STRUCTURAL EFFECTS ON ROAD BRIDGES BASED ON STRAIN MEASUREMENTS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 22, no. 4 (2015): 457–69. http://dx.doi.org/10.3846/13923730.2014.897991.

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Several technical and scientific publications have been made available focussing on Bridge Weight-in-Motion (BWIM) concerning railway bridges. On the contrary, BWIM analysis on road bridges are more scarce and therefore, this work intends to provide a contribution by presenting the BWIM analysis performed on two major road bridges in Portugal – Lezíria Bridge and Pinhão Bridge. These bridges are equipped with electric and optical strain gauges, acquisition systems with features that allow high sampling rates. Based on the collected data and focussing on the bridges’ lifetime, a probabilistic

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6

Viktoria Stoilova. "Reinforced concrete bridges deterioration processes: A review." World Journal of Advanced Engineering Technology and Sciences 13, no. 2 (2024): 001–12. http://dx.doi.org/10.30574/wjaets.2024.13.2.0525.

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During their service life, reinforced concrete bridges are repeatedly subjected to an aggressive environment, which adversely affects the structural members. In order to prevent any serious damage from occurring, it is important to understand the factors and processes that have a negative effect on reinforced concrete bridges and might worsen the bridge's performance. The purpose of this paper is to review and identify the most common causes of reinforced concrete bridge deterioration. Initially, an in-depth review of a large amount of literature is conducted to identify the most relevant form

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7

Wibowo, Heriyanto, and Sinung Tri Nugroho. "Penerapan Metode Analythic Hierarchy Process untuk Pengambilan Keputusan Pemilihan Desain Jembatan Kereta Api." Jurnal Teknik Transportasi 1, no. 1 (2020): 40. http://dx.doi.org/10.54324/jtt.v1i1.429.

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Padalarang - Purwakarta line track is a very crowded but potential track since it connects Jakarta - Bandung. Argo Parahyangan train and freight train are passing through this track. Therefore, it is crucial to build double track lane. However, it is difficult to execute due to a wide and deep river which requires a new bridge with a complex high cost construction. That is the reason why, an in-depth evaluation of the bridge design is needed. In selecting the bridge design, the Analytical Hierarchy Process was used as the selection method. The method would applied a four-level developed struct

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8

Li, Zi Qi, and Yan Yan Fan. "Study on Seismic Response Reduction of a Long-Span Cable-Stayed Bridge by Adding Viscous Dampers at the Different Positions." Advanced Materials Research 295-297 (July 2011): 2304–8. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.2304.

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Bridge is an important part of transport system, especially for the long-span bridges of important route. And it belongs to the lifeline project. It is an important measure for reducing the secondary disaster to ensure bridge’s normality in traffic after the earthquake. Currently, the isolation seismic design of long-span bridges with the special structure is used to reduce damage of bridges by the reason of the earthquake. Based on damping principle of the viscous dampers, the calculation and analysis of what the effect of shock absorption done by damper in decorate position of long-span cabl

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9

Tasnic, Mihail, and Ilia Catereniuc. "Some morphological aspects of myocardial bridges." Moldovan Medical Journal 64, no. 2 (2021): 58–64. http://dx.doi.org/10.52418/moldovan-med-j.64-2.21.11.

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Background: Myocardial bridges are variants of the intramyocardial position of the coronary arteries. In the specialty literature, hot topics in cardiovascular field are myocardial infarction and non-obstructive coronary artery disease with frequent connection with myocardial bridges. Material and methods: The morphological study was based on the analysis of 200 human hearts and fragments of coronary arteries. The retrospective study was focused on the analysis of 6168 coronary angiography reports, to identify patients with myocardial bridges, their preferred location, the degree of systolic s

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10

Campbell, Kristopher, Myra Lydon, Nicola-Ann Stevens, and Su Taylor. "Analysis of Arch Bridge Condition Data to Identify Network-Wide Controls and Trends." Infrastructures 9, no. 4 (2024): 70. http://dx.doi.org/10.3390/infrastructures9040070.

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This paper outlines an initial analysis of 20 years of data held on an electronic bridge management database for approximately 3500 arch bridges across Northern Ireland (NI) by the Department for Infrastructure. Arch bridges represent the largest group of bridge types, making up nearly 56% of the total bridge stock in NI. This initial analysis aims to identify trends that might help inform maintenance decisions in the future. Consideration of the Bridge Condition Indicator (BCI) average value for the overall arch bridge stock indicates the potential for regional variations in the overall condi

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11

Mudahemuka, Eugene, Masatatsu Miyagi, Ryota Shin, Naoki Kaneko, Yukihiko Okada, and Kyosuke Yamamoto. "Estimating Bridge Natural Frequencies Based on Modal Analysis of Vehicle–Bridge Synchronized Vibration Data." Sensors 24, no. 4 (2024): 1060. http://dx.doi.org/10.3390/s24041060.

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This paper presents a method for accurately estimating the natural frequencies of bridges by simultaneously measuring the acceleration vibration data of vehicles and bridges and applying modal analysis theory. Vibration sensors synchronized with GPS timing were installed on both vehicles and bridges, achieving stable and high-precision time synchronization. This enabled the computation of the bridge’s Frequency Response Functions (FRFs) for each mode, leading to a refined estimation of natural frequencies. The validity of the theory was confirmed through numerical simulations and experimental

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12

Zhang, Hao, Lingbo Wang, Lin Kang, Yixiang Liu, Chenglong Zhu, and Rongjie Xi. "Stability Analysis of Construction Factors for Partially Cable-Stayed Bridges with Multiple Towers and High Piers." Buildings 14, no. 11 (2024): 3416. http://dx.doi.org/10.3390/buildings14113416.

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Partially cable-stayed bridges have the characteristics of continuous rigid-frame bridges and cable-stayed bridges, making them a novel composite bridge system. This study focuses on the construction project of a multi-tower high-pier curved partially cable-stayed bridge to investigate the bridge’s stability during construction. The Midas/Civil software was used to establish a model for key construction stages of the bridge, considering structural linear elasticity and geometric nonlinearity. The study examines the impact of static wind loads, asymmetric construction of the main girder, closur

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13

Zhang, Tian, Haonan Chen, Xinjia Cui, Pengfei Li, and Yunfeng Zou. "Condition Rating Prediction for Highway Bridge Based on Elman Neural Networks and Markov Chains." Applied Sciences 14, no. 4 (2024): 1444. http://dx.doi.org/10.3390/app14041444.

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Bridges are a critical component of transportation infrastructure, playing a vital role in connectivity. The safe operation of bridges demands significant resource and capital investment, particularly as the operation phase is the most extended period in a bridge’s life cycle. Therefore, the efficient allocation of resources and funds is crucial for the maintenance and repair of bridges. This study addresses the need to predict changes in bridge condition over time. The commonly used state-based Markov chain method for bridge condition rating prediction is straightforward but limited by its as

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14

Helowicz, Andrzej. "Integral bridge and culvert design, Designer’s experience." Open Engineering 10, no. 1 (2020): 499–505. http://dx.doi.org/10.1515/eng-2020-0059.

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AbstractThis paper describes a small single-span integral bridge made of in-situ concrete. The bridge was designed by the author and built on the M9 motorway between the towns of Waterford and Kilcullen in Ireland. Selected parts of the bridge design are presented. First the principles of modelling and designing integral bridges and culverts are explained. Then the considered bridge’s design is described. The advantages and disadvantages of such structures are discussed. The focus is on the design, construction, cost and in-service behaviour of small integral bridges and culverts. In Conclusio

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15

Kumar, Munish. "Vibration Analysis of Bridge Structures Under Varying Load Conditions." International Journal of Research in Modern Engineering & Emerging Technology 10, no. 3 (2022): 25–32. https://doi.org/10.63345/ijrmeet.org.v10.i3.4.

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This study explores the vibration characteristics of bridge structures subjected to varying load conditions. Understanding the dynamic behavior of bridges is essential for their design, maintenance, and safety management. The research analyzes the vibrational response of bridge structures under static and dynamic loads, with particular attention to the effect of load variations on the natural frequencies and damping ratios. A combination of theoretical analysis, computational methods, and simulation research is employed to assess the vibrational modes and evaluate the structural integrity of b

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16

Yao, Juncheng, Hekuan Zhou, Jiahua Zhu, Liang Huang, Jianguo Xu, and Weiguo Li. "Reduction of Vibrations in Long-Span Continuous Girder Bridges with Pounding Tuned Mass Dampers." Advances in Civil Engineering 2022 (October 3, 2022): 1–18. http://dx.doi.org/10.1155/2022/7796204.

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Earthquakes often cause bridges to vibrate to different degrees; moreover, in the case of poor road conditions, the vibration amplitude of bridges caused by vehicles often exceeds a reasonable range, thus causing different degrees of damage to bridges. Therefore, this article studies the vibration reduction effect of the pounding tuned mass dampers (PTMD) on long-span continuous bridges under earthquake and vehicle loads. The PTMD used in this study can reduce the vibration in both lateral and vertical directions. The PTMD provides a stronger vibration dampening effect compared to the TMD sinc

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17

Shin, Ryota, Yukihiko Okada, and Kyosuke Yamamoto. "Application of C-LSTM Networks to Automatic Labeling of Vehicle Dynamic Response Data for Bridges." Sensors 22, no. 9 (2022): 3486. http://dx.doi.org/10.3390/s22093486.

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Maintaining bridges that support road infrastructure is critical to the economy and human life. Structural health monitoring of bridges using vibration includes direct monitoring and drive-by monitoring. Drive-by monitoring uses a vehicle equipped with accelerometers to drive over bridges and estimates the bridge’s health from the vehicle vibration obtained. In this study, we attempt to identify the driving segments on bridges in the vehicle vibration data for the practical application of drive-by monitoring. We developed an in-vehicle sensor system that can measure three-dimensional behavior,

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18

Leinart, James Andrew, and Richard Deckro. "Revealing Bridges in Social Networks." Military Operations Research 29, no. 1 (2024): 75–94. http://dx.doi.org/10.5711/1082598329175.

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Social groups and networks are ubiquitous, and each network member typically has a role or roles in associated interactions. One such member identified in social network literature is a bridge, which connects two or more groups, and is an element of only one of the groups; inferred from literature is the notion that bridges play a key role in networks. At different times and for various reasons, network and group components may be unrevealed. An example is a terrorist network; the terrorists may know who comprises their network, but a military or security organization that is attempting to dis

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19

Yin, Xinfeng, Yang Liu, Shihui Guo, W. Zhang, and C. S. Cai. "Three-Dimensional Vibrations of a Suspension Bridge Under Stochastic Traffic Flows and Road Roughness." International Journal of Structural Stability and Dynamics 16, no. 07 (2016): 1550038. http://dx.doi.org/10.1142/s0219455415500388.

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When studying the vibration of a bridge–vehicle coupled system, most researchers mainly focus on the vertical vibration of bridges under moving vehicular loads, while the lateral and longitudinal vibrations of the bridges and the stochastic characteristics of the traffic flows are neglected. However, for long-span suspension bridges, neglecting the bridge’s three-dimensional (3D) vibrations under stochastic traffic flows can cause considerable inaccuracy in predicting the dynamic performance. This study is mainly focused on establishing a new methodology fully considering a suspension bridge’s

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20

Siwowski, Tomasz, and Piotr Żółtowski. "Strengthening Bridges with Prestressed CFRP Strips." Selected Scientific Papers - Journal of Civil Engineering 7, no. 1 (2012): 79–86. http://dx.doi.org/10.2478/v10299-012-0021-2.

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Abstract Limitation of bridge’s carrying bearing capacity due to aging and deterioration is a common problem faced by road administration and drivers. Rehabilitation of bridges including strengthening may be applied in order to maintain or upgrade existing bridge parameters. The case studies of strengthening of two small bridges with high modulus prestressed CFRP strips have been presented in the paper. The first one - reinforced concrete slab bridge - and the other - composite steel-concrete girder bridge - have been successfully upgraded with quite new technology. In both cases the additiona

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21

Zdravkov, Lyubomir A. "Wind loads on girder bridges." Challenge Journal of Structural Mechanics 8, no. 1 (2022): 9. http://dx.doi.org/10.20528/cjsmec.2022.01.002.

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Bridges are facilities that are in exploitation outdoor. Often the wind is the leading horizontal force in the transverse direction. Therefore the bridges have received the due attention in the standards for wind loading. Unfortunately, in all available standards for wind load on the bridges, one, summarized value of the aerodynamic coefficient is indicated. It is related to the entire cross-section of the facility. There is no differentiation for the individual longitudinal girders and/or roadway. Information about the specific wind pressure on each of the bridge’s element is required for the

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22

Rai, Gunjan, Soumya Khanna, and Royana Singh. "Myocardial bridging in the course of coronary arteries and its clinical significance." Asian Journal of Medical Sciences 11, no. 6 (2020): 58–62. http://dx.doi.org/10.3126/ajms.v11i6.29989.

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Background: Sudden death in young adults in absence of any risk factor related to coronary arterial disease has been reported. It could be because of some unrecognized congenital coronary artery anomalies like myocardial bridging. The clinician should keep myocardial bridging as a differential diagnosis in cases of sudden death in young individuals having no risk factors of coronary artery diseases. Aims and Objective: The present study was conducted to know the prevalence of myocardial bridge and percentage of distribution of myocardial bridges in the course of different coronary arteri

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23

Istiono, Heri, and Jaka Propika. "Analisa Non-Linier Pada Mekanisme Keruntuhan Jembatan Rangka Baja Tipe Pratt." Borneo Engineering : Jurnal Teknik Sipil 1, no. 2 (2017): 68. http://dx.doi.org/10.35334/be.v1i2.604.

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Steel truss bridge collapse often occurs, both in Indonesia and in other countries. As a result of the collapse of the bridge is in addition to the casualties also losses from the financial aspects. This collapse caused due to various factors, one of them because of a decrease in the strength of the bridge structure. To minimize required maintenance of the bridge's collapse and to facilitate the maintenance of one of them must be known failure mechanisms existing bridges. In the analysis of this collapse, will be modeled steel truss bridge pratt’s type with long spans is 60 meters. Analysis of

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24

Angtony, Darius, Andri Irfan Rifai, Mulia Pamadi, and Muhammad Isradi. "Study on Analysis and Design of Suspension Cable Bridge Using SAP2000." Jurnal Syntax Transformation 5, no. 8 (2024): 1058–67. http://dx.doi.org/10.46799/jst.v5i8.991.

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Bridges are more than just physical structures; they connect people and places, facilitating commerce, transportation, cultural exchange, and shaping landscapes. Bridges are complex structures composed of various essential components, including the auxiliary building, substructure, and superstructure, each crucial for the overall stability and functionality. Engineers face challenges in bridge construction, including environmental conditions, traffic volumes, and geological threats. Additionally, aging infrastructure and financial constraints make bridge rehabilitation and maintenance increasi

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Xu, Rongjing. "Influence of Extreme Weather and Its Secondary Disasters on Bridges." Highlights in Science, Engineering and Technology 18 (November 13, 2022): 148–54. http://dx.doi.org/10.54097/hset.v18i.2650.

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Global climate change causes more and more extreme weather happened frequently. It poses a new challenge to the structural safety of civil engineering. Nowadays, bridge engineering designs must consider the possibility of extreme climates and the social, economic, and environmental damage they cause. In this paper, the influence of three kinds of extreme weather on bridges is summarized by the method of comprehensive narration, and the influence of secondary disasters is described. Results show that both extreme weather and secondary disasters can significantly impact bridges. Extreme weather

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26

Sanli, Ahmet K., Erdogan A. Uzgider, Ozden B. Caglayan, Kadir Ozakgul, and Jan Bien. "Testing Bridges by Using Tiltmeter Measurements." Transportation Research Record: Journal of the Transportation Research Board 1696, no. 1 (2000): 111–17. http://dx.doi.org/10.3141/1696-51.

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An efficient numerical procedure based on the cubic spline technique is developed to obtain the vertical displacements of the bridge deck using the slope values measured at selected points under the test loading. Most static load tests of bridges are performed to evaluate the stiffness characteristics of bridge structures or to check the accuracy of their computer models. From this standpoint, vertical displacements of the bridge under certain loads have a crucial importance. However, if the bridge is over a river, a lake, muddy ground, or a major highway, conventional displacement transducers

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Yadav, Anand Gaurav. "Exploring the Cable-Stayed Bridge with Shifting the Cable Arrangement at Deck Level." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no. 10 (2023): 1–11. http://dx.doi.org/10.55041/ijsrem26565.

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Cable stayed bridges are becoming a more and more viable option for lengthy spans with the development of computer-based optimisation techniques. Additionally, because they are suspended structures, they can be constructed with ease in locations where it would be challenging to provide several foundations or piers. The pre-tensioning forces of the cables on Sikkim's Akkar Bridge have been determined through this investigation. CSiBridge software is the programme utilised for the investigation. A analysis of the bridge's several parameters concludes this work. The parametric analysis looks at t

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Wei, Biao, Qing Yuan Zeng, and Wei An Liu. "Applicability of Modal Pushover Analysis on Bridges." Advanced Materials Research 255-260 (May 2011): 806–10. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.806.

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Taking one irregular continuous bridge as an example, modal pushover analysis (MPA) has been conducted to judge whether it would be applicable for seismic analysis of irregular bridge structures. The bridge’s seismic demand in the transverse direction has been determined through two different methods, inelastic time history analysis (ITHA) and MPA respectively. The comparison between those two results indicates that MPA would be suitable only for bridges under elastic or slightly damaged state. Finally, some modifications are used to improve the MPA’s scope of application, and the results illu

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Che, Xiao Jun, Xie Dong Zhang, and Chao Yang. "Remaining Pre-Stress Identification of Diseased Pre-Stressed Concrete Bridges Based on Neural Network." Advanced Materials Research 639-640 (January 2013): 1056–59. http://dx.doi.org/10.4028/www.scientific.net/amr.639-640.1056.

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According to experimental record of bridges in use, more and more damage bridges have appeared, and the most common and severe defect is the bridge damage and cracking problem, which has seriously affected the normal usage of bridges. Analyzing the disease cause of defective bridges more effectively and deeply, in order to optimize the design and construction of bridges becomes the urgent problem in the engineering field. The study is based on the design, construction data and experimental record of the bridge.A non-linear mapping function from multiple input data (the deck elevation of each e

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Hamunzala, Bennie, Koji Matsumoto, and Kohei Nagai. "Improved Method for Estimating Construction Year of Road Bridges by Analyzing Landsat Normalized Difference Water Index 2." Remote Sensing 15, no. 14 (2023): 3488. http://dx.doi.org/10.3390/rs15143488.

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The construction year of road bridges plays an important role in bridge management systems. Based on the age of road bridges and other factors, deterministic and probabilistic deterioration models can be used to calculate deterioration rates and predict the future physical condition of road bridges. Two new techniques are proposed in this manuscript for estimating the construction year of road bridges by analyzing the normalized difference water index 2 (NDWI_2). Technique 1 uses both the target bridge point (TBP) and a selected optimal reference control point, while Technique 2 uses only the

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Chacón, Rolando, Carlos Ramonell, Hector Posada, Rahul Tomar, Christian Martínez de la Rosa, and Irina Stipanovic. "Measurements, Simulation, Analysis and Geolocation in a Digital Twin tool for bridge management." ce/papers 6, no. 5 (2023): 474–82. http://dx.doi.org/10.1002/cepa.2017.

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AbstractThis paper presents a digital‐twin based tool that can be used for bridge management. The tool offers various capabilities that include embedding BIM geometries, simulations, measurements, GIS location, and performance analysis. These features enable efficient and effective management of bridges by providing detailed information and analysis of the bridge's performance, which can help in identifying potential issues and implementing appropriate solutions. The methodology represents one of the outcomes of Ashvin, an H2020 project aimed to providing assistant solution for design, constru

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O’Higgins, Connor, David Hester, Patrick McGetrick, Wai Kei Ao, and Elizabeth J. Cross. "Refinement and Validation of the Minimal Information Data-Modelling (MID) Method for Bridge Management." Sensors 24, no. 12 (2024): 3879. http://dx.doi.org/10.3390/s24123879.

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Various approaches have been proposed for bridge structural health monitoring. One of the earliest approaches proposed was tracking a bridge’s natural frequency over time to look for abnormal shifts in frequency that might indicate a change in stiffness. However, bridge frequencies change naturally as the structure’s temperature changes. Data models can be used to overcome this problem by predicting normal changes to a structure’s natural frequency and comparing it to the historical normal behaviour of the bridge and, therefore, identifying abnormal behaviour. Most of the proposed data modelli

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Yuan, JC, XL Liu, Y. Ding, XJ Wang, ZB Cao, and JH Zhou. "Rapid Intelligent Risk Assessment of Bridges under Typhoon Disasters." Journal of Physics: Conference Series 2476, no. 1 (2023): 012030. http://dx.doi.org/10.1088/1742-6596/2476/1/012030.

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Abstract In order to improve the risk early-warning performance of highway bridges caused by typhoon disasters, a fast and intelligent risk assessment model for highway bridges is proposed in this paper. A three-level accident possibility index system is established in which the top-level index is the possibility of bridge accident, the second-level indices comprise the accident causing factor, the surrounding environment factor, and the accident bearing body, and the third-level indices are selected from the disaster conditions and the bridge’s own technical conditions. With the rapid risk as

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Immanuel, Yehezkiel, Andri Irfan Rifai, and Ade Jaya Saputra. "Bridge Structural Design Simulation: Case Study of Nongsa Pura Bridge." OPSearch: American Journal of Open Research 3, no. 10 (2024): 268–76. http://dx.doi.org/10.58811/opsearch.v3i10.137.

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The influence of various components, including the deck, girders, trusses, cables, and other structural elements, plays a significant role in determining the long-term stability and service life of bridges. With the increasing demands of traffic loads, environmental factors, and material degradation, it is crucial to reassess and enhance the existing calculations for bridge superstructure designs. This paper aims to redesign and reanalyze the superstructure of the Nongsa Pura Bridge by using secondary data for calculations. The results of this study include updated design specifications, speci

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Ranf, R. T., M. O. Eberhard, and S. Malone. "Post-earthquake Prioritization of Bridge Inspections." Earthquake Spectra 23, no. 1 (2007): 131–46. http://dx.doi.org/10.1193/1.2428313.

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Bridge damage reports from the 2001 Nisqually earthquake were correlated with estimates of ground-motion intensity at each bridge site (obtained from ShakeMaps) and with bridge properties listed in the Washington State Bridge Inventory. Of the ground-motion parameters considered, the percentage of bridges damaged correlated best with the spectral acceleration at a period of 0.3 s. Bridges constructed before the 1940s, movable bridges, and older trusses were particularly vulnerable. These bridge types were underestimated by the HAZUS procedure, which categorizes movable bridges and older trusse

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Hajali, Mohammad, Abdolrahim Jalali, and Ahmad Maleki. "Effects of Near Fault and Far Fault Ground Motions on Nonlinear Dynamic Response and Seismic Improvement of Bridges." Civil Engineering Journal 4, no. 6 (2018): 1456. http://dx.doi.org/10.28991/cej-0309186.

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In this study, the dynamic response of bridges to earthquakes near and far from the fault has been investigated. With respect to available data and showing the effects of key factors and variables, we have examined the bridge’s performance. Modeling a two-span concrete bridge in CSI Bridge software and ability of this bridge under strong ground motion to near and far from fault has been investigated. Nonlinear dynamic analysis of time history includes seven records of past earthquakes on models and it was observed that the amount of displacement in the near faults is much greater than the dist

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Liu, Bo, Xu Meng, Ji Li, and Zhi Tu. "Defect Inspection Technology for Steel Truss Suspension Bridges." Journal of World Architecture 8, no. 2 (2024): 12–16. http://dx.doi.org/10.26689/jwa.v8i2.6947.

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Steel truss suspension bridges are prone to developing defects after prolonged use. These defects may include corrosion of the main cable or the steel truss. To ensure the normal and safe functioning of the suspension bridge, it is necessary to inspect for defects promptly, understand the cause of the defect, and locate it through the use of inspection technology. By promptly addressing defects, the suspension bridge's safety can be ensured. The author has analyzed the common defects and causes of steel truss suspension bridges and proposed specific inspection technologies. This research is in

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Maryono and Eka Juliar. "METODE PLAKSANAAN PEKERJAAN SLAB PADA JEMBATAN CILUTUNG DI KEC. TOMO KAB. SUMEDANG." SEMINAR TEKNOLOGI MAJALENGKA (STIMA) 7 (September 27, 2023): 54–64. http://dx.doi.org/10.31949/stima.v7i0.882.

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Cilutung Bridge is one of the bridges located on Jalan Raya Tolengas, Tolengas, Tomo District, Sumedang Regency. Bridges have various types of bridges, namely girder bridges, arch bridges, truss bridges, suspension bridges. The bridge component is divided into two, namely the superstructure and the substructure. The structure of the bridge generally includes: sidewalks, vehicle floor slabs, girders, diaphragm beams, and platforms. The structure under the bridge generally includes: the base of the bridge (abutments), bridge pillars (piers) and foundations. The bridge slab is a horizontal struct

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Rina Kumari, S. S Mishra. "Parametric Analysis of Wind Load Effects on Cable-Stayed Bridges Across Diverse Wind Angles and Climatic Regions UsingSAP2000." Power System Technology 49, no. 2 (2025): 2511–35. https://doi.org/10.52783/pst.2056.

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This research article provides a complete parametric analysis of the effects of wind loads on cable-stayed bridges, utilizing the Quincy Bayview Bridge as a case study. The study applies sophisticated finite element analysis using SAP2000 to model the bridge's structural response under varying wind conditions. A realistic model of the bridge is created, depicting its precise geometry, material qualities, and dynamic interactions between components such as double-plane stay cables and concrete pylons. The analysis looks at the bridge's performance at various wind angles (0°, 30°, 45°, 60°, and

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Abdellaoui, Mohammed, Mohamed Badaoui, Mahmoud Bensaibi, and Koriga Said. "Developing a seismic bridge reliability model to enhance its resilience: a study on reinforced concrete bridges in Algeria." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 1 (2024): 2088–101. http://dx.doi.org/10.54021/seesv5n1-103.

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Bridges are critical points in transportation networks because they are exposed to various natural and human-caused hazards, leading to partial or complete service interruption. Bridges must maintain their societal functions, especially after events such as earthquakes, because they play a vital role in emergency response, relief operations and damage mitigation. This paper proposes an improved model for evaluating the reliability of reinforced concrete bridges before seismic events, to improve their resilience to earthquakes and enable effective preparedness for disasters. In the first phase

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Sukenik, Shahar, Yoav Boyarski та Daniel Harries. "Effect of salt on the formation of salt-bridges in β-hairpin peptides". Chem. Commun. 50, № 60 (2014): 8193–96. http://dx.doi.org/10.1039/c4cc03195d.

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The formation of salt-bridges in β-hairpin peptides is measured in increasing salt concentrations, indicating a decrease in the salt-bridged population due to charge–charge screening, as well as non-cooperative salt-bridge triads.

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Sigdel, Lila Dhar, Ahmed Al-Qarawi, Chin Jian Leo, Samanthika Liyanapathirana, and Pan Hu. "Geotechnical Design Practices and Soil–Structure Interaction Effects of an Integral Bridge System: A Review." Applied Sciences 11, no. 15 (2021): 7131. http://dx.doi.org/10.3390/app11157131.

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Integral bridges are a class of bridges with integral or semi-integral abutments, designed without expansion joints in the bridge deck of the superstructure. The significance of an integral bridge design is that it avoids durability and recurring maintenance issues with bridge joints, and maybe bearings, which are prevalent in traditional bridges. Integral bridges are less costly to construct. They require less maintenance and therefore cause less traffic disruptions that incur socio-economic costs. As a consequence, integral bridges are becoming the first choice of bridge design for short-to-

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Ahmed, Zuber, and Esar Ahmed. "Non-Linear Analysis of Cable Stayed Bridges." International Journal of Emerging Research in Management and Technology 6, no. 9 (2018): 36. http://dx.doi.org/10.23956/ijermt.v6i9.82.

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The concept of cable-stayed bridges dates back to the seventeenth century. Due to their aesthetic appearance, efficient utilization of material, and availability of new construction technologies, cable-stayed bridges have gained much popularity in the last few decades. After successful construction of the Sutong Bridge, a number of bridges of this type have been proposed and are under construction, which calls for extensive research work in this field. Nowadays, very long span cable-stayed bridges are being built and the ambition is to further increase the span length using shallower and slend

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Petroutsatou, Kleopatra, Theodora Vagdatli, Nikolaos Louloudakis, and Panagiotis Panetsos. "Life-Cycle Maintenance Cost Model for Concrete Bridges Using Markovian Deterioration Curves." Buildings 15, no. 5 (2025): 807. https://doi.org/10.3390/buildings15050807.

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Long-term deterioration of concrete bridges is a natural process that requires prudent maintenance actions throughout the bridge’s life-cycle. Nowadays, there is an ongoing effort to simulate such processes into practical models. One primary element for the model’s accuracy is the datasets used for its development. The gap between underestimated or overestimated and actual values could be narrowed by utilizing real-world datasets on bridge deterioration and rehabilitation obtained from systematic inspections over time in similar environments. Therefore, the present study aims to develop an emp

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Cao, Hengtao, Yao Lu, and Daihai Chen. "Analysis of Vehicle-Bridge Coupling Vibration Characteristics of Curved Girder Bridges." Applied Sciences 14, no. 5 (2024): 2021. http://dx.doi.org/10.3390/app14052021.

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When vehicles move on a bridge, the coupling effect between vehicles and bridges can affect driving safety and comfort, especially for curved bridges, therefore, choosing reasonable design parameters for curved bridges is crucial. In this article, a three-span curved continuous box-girder bridge was taken as the research object; the entire process of vehicle-bridge coupling vibration of highway curved girder bridges was conducted via numerical simulation and the vehicle-bridge coupling vibration analysis program Cmck 1.0 was developed. Then, the influence factors such as curvature radius, cons

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DePrekel, Kirsten, El Bouali, and Thomas Oommen. "Monitoring the Impact of Groundwater Pumping on Infrastructure Using Geographic Information System (GIS) and Persistent Scatterer Interferometry (PSI)." Infrastructures 3, no. 4 (2018): 57. http://dx.doi.org/10.3390/infrastructures3040057.

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Transportation infrastructure is critical for the advancement of society. Bridges are vital for an efficient transportation network. Bridges across the world undergo variable deformation/displacement due to the Earth’s dynamic processes. This displacement is caused by ground motion, which occurs from many natural and anthropogenic events. Events causing deformation include temperature fluctuation, subsidence, landslides, earthquakes, water/sea level variation, subsurface resource extraction, etc. Continual deformation may cause bridge failure, putting civilians at risk, if not managed properly

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Su, Dan, Yi-Sheng Liu, Xin-Tong Li, Xiao-Yan Chen, and Dong-Han Li. "Management Path of Concrete Beam Bridge in China from the Perspective of Sustainable Development." Sustainability 12, no. 17 (2020): 7145. http://dx.doi.org/10.3390/su12177145.

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More and more bridges have entered the maintenance stage, which has potential collapse hazards and threatens life and property safety. More attention has been paid to the improvement of maintenance management levels during the operation period in terms of extending the service life of the bridge, but less attention has been paid to it from the perspective of the whole life cycle. One hundred and ninety examples of concrete beam bridges in China were collected, based on which the collapse characteristics and collapse causes of concrete beam bridges were analyzed. The causes of bridge collapse c

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Bhandari, Prakash, Shinae Jang, Ramesh B. Malla, and Song Han. "ANN-Based Bridge Support Fixity Quantification Using Thermal Response Data from Real-Time Wireless Sensing." Sensors 24, no. 16 (2024): 5350. http://dx.doi.org/10.3390/s24165350.

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Bridges are critical infrastructures that support our economic activities and daily lives. Aging bridges have been a major issue for decades, prompting researchers to improve resilience and performance through structural health monitoring. While most research focuses on superstructure damage, the majority of bridge failures are associated with support or joint damages, indicating the importance of bridge support. Indeed, bridge support affects the performance of both the substructure and superstructure by maintaining the load path and allowing certain movements to mitigate thermal and other st

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Leal Junior, José Wilson, and Leandro Gomes Domingos. "Economic evaluation of the wooden bridges replacement for steel-reinforced concrete composite bridges in the Balsas-MA rural zones." CONTRIBUCIONES A LAS CIENCIAS SOCIALES 17, no. 2 (2024): e4576. http://dx.doi.org/10.55905/revconv.17n.2-089.

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A river is a natural obstacle in the passage between two points. One way to overcome this obstacle is building a bridge that can be made of rock, wood, steel, concrete, or a combination of these materials. In Balsas, Maranhão’s country town, it is common to use wooden bridges to connect rural communities to each other and to the city’s downtown. However, heavy vehicle traffic has led to the collapse of these bridges, causing isolation and disruption to these communities. The study purpose was to economic evaluation of the wooden bridges replacement for steel-reinforced concrete composite bridg

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Made, Suangga, and Irpanni Herry. "Aerodynamic performance of long span steel truss bridges in Indonesia." MATEC Web of Conferences 195 (2018): 02032. http://dx.doi.org/10.1051/matecconf/201819502032.

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Indonesia is the world’s largest archipelago with many major rivers in the big islands of Sumatera, Kalimantan, and Java. As part of its road network, major bridges are constructed to cross these rivers. Considering the span of the bridges and its aesthetic point of view, the application of Long Span Steel Truss Bridges in Indonesia is very popular among others. Its span varies from 70 to 270 meters in length. For long span bridges, aerodynamics is an important aspect for the design and construction of the bridges. In order to ensure the stability of the bridges against the aerodynamic effect

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