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Author : Xinfeng Yin
Release : 2017
Genre :
Kind : eBook
Book Rating : 850/5 ( reviews)
Book Synopsis Bridge Dynamic Behavior Based on the Vehicle-bridge Interaction by : Xinfeng Yin
Download or read book Bridge Dynamic Behavior Based on the Vehicle-bridge Interaction written by Xinfeng Yin. This book was released on 2017. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yeong-Bin Yang
Release : 2004
Genre : Science
Kind : eBook
Book Rating : 478/5 ( reviews)
Book Synopsis Vehicle-bridge Interaction Dynamics by : Yeong-Bin Yang
Download or read book Vehicle-bridge Interaction Dynamics written by Yeong-Bin Yang. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt: The commercial operation of the bullet train in 1964 in Japan marked the beginning of a new era for high-speed railways. Because of the huge amount of kinetic energy carried at high speeds, a train may interact significantly with the bridge and even resonate with it under certain circumstances. Equally important is the riding comfort of the train cars, which relates closely to the maneuverability of the train during its passage over the bridge at high speeds.This book is unique in that it is devoted entirely to the interaction between the supporting bridges and moving trains, the so-called vehicle-bridge interaction (VBI). Finite element procedures have been developed to treat interaction problems of various complexities, while the analytical solutions established for some typical problems are helpful for identifying the key parameters involved. Besides, some field tests were conducted to verify the theories established.This book provides an up-to-date coverage of research conducted on various aspects of the VBI problems. Using the series of VBI elements derived, the authors study a number of frontier problems, including the impact response of bridges with elastic bearings, the dynamic response of curved beam to moving centrifugal forces, the stability and derailment of trains moving over bridges shaken by earthquakes, the impact response of two trains crossing on a bridge, the steady-state response of trains moving over elevated bridges, and so on.
Author : Yeong-Bin Yang
Release : 2004
Genre : Technology & Engineering
Kind : eBook
Book Rating : 178/5 ( reviews)
Book Synopsis Vehicle-bridge Interaction Dynamics by : Yeong-Bin Yang
Download or read book Vehicle-bridge Interaction Dynamics written by Yeong-Bin Yang. This book was released on 2004. Available in PDF, EPUB and Kindle. Book excerpt: The commercial operation of the bullet train in 1964 in Japan markedthe beginning of a new era for high-speed railways. Because of thehuge amount of kinetic energy carried at high speeds, a train mayinteract significantly with the bridge and even resonate with it undercertain circumstances. Equally important is the riding comfort of thetrain cars, which relates closely to the maneuverability of the trainduring its passage over the bridge at high speeds.
Author : Steve C S Cai
Release : 2020-09-23
Genre : Technology & Engineering
Kind : eBook
Book Rating : 436/5 ( reviews)
Book Synopsis Highway Vehicle-bridge Coupled Vibrations: Numerical Simulations And Applications by : Steve C S Cai
Download or read book Highway Vehicle-bridge Coupled Vibrations: Numerical Simulations And Applications written by Steve C S Cai. This book was released on 2020-09-23. Available in PDF, EPUB and Kindle. Book excerpt: Vehicle-bridge interaction happens all the time on roadway bridges and this interaction performance carries much useful information. On one hand, while vehicles are traditionally viewed as loads for bridges, they can also be deemed as sensors for bridges' structural response. On the other hand, while bridges are traditionally viewed as carriers for vehicle weight, they can also be deemed as scales that can weigh the vehicle loads. Based on these observations, a broad area of studies based on the vehicle-bridge interaction have been conducted in the authors' research group. Understanding the vehicle and bridge interaction can help develop strategies for bridge condition assessment, bridge design, and bridge maintenance, as well as develop insight for new research needs.This book documents fundamental knowledge, new developments, and state-of-the-art applications related to vehicle-bridge interactions. It thus provides useful information for graduate students and researchers and therefore straddles the gap between theoretical research and practical applications.
Author : Hajir A. Ali
Release : 2022
Genre : Box girder bridges
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Dynamic Behavior of Composite Adjacent Pre-Stressed Concrete Box Beams Bridges by : Hajir A. Ali
Download or read book Dynamic Behavior of Composite Adjacent Pre-Stressed Concrete Box Beams Bridges written by Hajir A. Ali. This book was released on 2022. Available in PDF, EPUB and Kindle. Book excerpt: Composite adjacent box beams have been utilized to construct bridges as accelerated bridge constructions. These bridges are constantly subjected to the effect of a moving load as vehicles passing over them. Dynamic load allowance (DLA) is a reliable approach to show the amount of that vehicle-bridge interaction. The allowable value of the load allowance factor is 1.33 in AASHTO LRFD (2017), the Bridge Design Specifications. Many researchers have shown that the dynamic load allowance (DLA) value of AASHTO LRFD (2017) does not necessarily yield to a satisfactory account for the dynamic response of highway bridges under moving load. In addition, there is no comprehensive data about adjacent box beams bridges regarding the dynamic load allowance (DLA). Therefore, there is a need to perform a detailed dynamic analysis of vehicle-induced vibration to accurately estimate the dynamic load allowance (DLA) values. This dynamic analysis should include the influence of the most important dynamic parameters, which are related to both the vehicle and bridge circumstances. A field assessment platform was implemented; two adjacent concrete box beams bridges that were dynamically evaluated under the effect of the vehicle-bridge interaction. Then, based on the collected field data, the dynamic load allowance (DLA) values were calculated for all installed instruments under the effect of numerous load cases. The influence of vehicle weights, speeds, brakes, and road roughness conditions on the values of the load allowance factor (DLA) was conducted. In addition, a full scale finite element analysis was performed to complement the field investigation by looking at other dynamic parameters. Finite element method was utilized to model the adjacent box beams bridge of Fairmount Rd according to the asconstructed drawing and ODOT bridge design manual. After modeling, the bridge model was calibrated and validated to analytically investigate the effect of other dynamic parameters on the behavior of this bridge when it is subjected to a moving vehicle. Moving load included two kinds of analysis, the model analysis, and the dynamic analysis. Hence, a parametric study was performed to investigate the effect of an adjacent concrete box beams bridge span length, skew angle, depth, width, and the effect of the material properties of its girders on the values of the dynamic load allowance (DLA). Results of this study illustrate that the dynamic effect of adjacent box beams bridges subjected to moving truck is too important. Under the effect of vehicle-induced vibration, the dynamic load allowance (DLA) values undergoing the effect of most of the investigated parameters were higher than the design limit of AASHTO LRFD (2017). The dynamic load allowance (DLA) value is considerably affected by the speed of the vehicle, road roughness condition and truck braking, skew angle, and stiffness. An empty truck can increase the values of the allowance factor (DLA). Furthermore, the longer the span length of a bridge, the lower recoded dynamic load allowance (DLA) values were. Depth and width of an adjacent box beams bridge and deck thickness have no effect on the values of the dynamic load allowance (DLA).
