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Journal articles on the topic 'Bridge girder'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Du, Jin Sheng, and Hai Bin Liu. "Effect of Pier Vertical Deformations on Deflections of Main Girders for High Pier and Long-Span Continuous Rigid-Frame Bridges." Advanced Materials Research 163-167 (December 2010): 1436–39. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.1436.

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In some long-span prestressed concrete box girder bridges, excessive deflections of main girders are often observed. These unacceptable deflections have detrimental influence on the serviceability and safety of the structures. To better understand and estimate short term and long term deflections for prestressed concrete box girder bridges, pier vertical deformation and its effect on deflections of main girders of Jinghe Bridg is investigated in this paper. Piers in Jinghe Bridge are tall and the difference in height between piers up to 22 m. Analysis indicates that although the short term def

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2

Hraib, Faress, and Sami W. Tabsh. "Influence of Girder Flaring on Load Effect in Girders of Composite Steel Bridges." Applied Sciences 15, no. 9 (2025): 4674. https://doi.org/10.3390/app15094674.

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A flared or splayed girder bridge is a structure made up of a concrete slab on girders with linearly varying spacing along the length. For such an irregular bridge, the girder distribution factors in the AASHTO LRFD Bridge Design Specifications are not applicable. In lieu of using a refined method of analysis, the study at hand proposes a simple approach for computing the dead and live load effect in the girders. To do so, fifteen composite steel girder bridges are analyzed by the finite element method to determine the influence of the girder flaring angle, girder spacing, number of girders, d

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3

Xu, Baishun, Chuanzhi Sun, Shuai Song, Xuening Zhang, Bin Zhao, and Wenhao Zhang. "Comparative Study on the Seismic Vulnerability of Continuous Bridges with Steel–Concrete Composite Girder and Reinforced Concrete Girder." Buildings 14, no. 6 (2024): 1768. http://dx.doi.org/10.3390/buildings14061768.

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For medium- and small-span bridges, the weight of the superstructure in steel–concrete composite girder bridges is lighter than that of a reinforced concrete girder bridge. However, it is still uncertain whether steel–concrete composite girder bridges exhibit superior seismic performance compared to reinforced concrete girder bridges. This study quantitatively compared the seismic performance of the two types of bridges. Using the theory of probabilistic seismic demand analysis, the seismic vulnerability curves of bridges were derived. To conduct seismic demand analysis for probabilistic analy

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4

A. Ali, M., and A. H. Mohammed. "Finite Element Analysis of Pre-stress Concrete Box-Girder under Thermal Loading." Bilad Alrafidain Journal for Engineering Science and Technology 4, no. 1 (2025): 22–34. https://doi.org/10.56990/bajest/2025.040103.

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Bridge design and structural evaluation should consider thermal load, particularly for statically indeterminate and cable-supported bridges. However, there is limited study and test data on the thermal impact of pre-stress concrete girder, focusing on models developed through numerical analysis and field measurements. Temperature distributions on concrete bridges are nonlinear, causing stress distributions to self-equilibrate, to discuss the stresses, deflections, and moments caused by temperature variations. Three-dimensional finite element ANSYA R3 V19 finite element software is used to anal

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5

Jahjouh, Mahmoud, and Semih Erhan. "Design Optimization of PCI Girders: A Parametric Study." Bridge Structures 18, no. 3-4 (2023): 101–11. http://dx.doi.org/10.3233/brs-220203.

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This study investigates the effect of superstructure configuration on the optimum design of slab on Precast I (PCI) girder bridges. For this purpose, more than 20,000 bridge cases of varying superstructure configurations are considered to investigate the effects of various superstructure parameters such as girder spacing, span length, slab thickness and girder types on the optimum design of slab on PCI girder bridges. PCI girders are designed conforming to the AASHTO LRFD for flexure using stress limits at the service limit state, then checked at ultimate for flexure and shear using factored l

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6

He, Yuliang, Kai Wang, Zongyong Cao, Peijuan Zheng, and Yiqiang Xiang. "Reinforcement Analysis of an Old Multi-Beam Box Girder Based on a New Embedded Steel Plate (ESP) Strengthening Method." Materials 15, no. 12 (2022): 4353. http://dx.doi.org/10.3390/ma15124353.

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Multi-beam box girder bridges have been applied widely throughout the world for many years. However, the cracking of longitudinal joints between the box girders always leads to reflective cracking of the bridge decks during the service period and thus finally affects the safety and durability of the actual bridges. An embedded steel plate (ESP) strengthening method was presented by introducing carbon-A/-B glue to reinforce the longitudinal joints of old multi-beam box girder bridges for this problem. In order to evaluate the feasibility of the proposed method for actual bridges, an old multi-b

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7

Abedin, Mohammad, and Armin B. Mehrabi. "Effect of Cross-Frames on Load Distribution of Steel Bridges with Fractured Girder." Infrastructures 5, no. 4 (2020): 32. http://dx.doi.org/10.3390/infrastructures5040032.

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In steel girder bridges, fracture of one girder may occur without noticeable bridge profile changes. It is critical to ensure that the bridge will have adequate capacity to prevent collapse until the next cycle of inspection discovers the damage. It is realized that once one of the bridge girders is fractured, vertical loads need to be distributed through an alternative path to the intact girder(s). In this case, cross-frames can play an important role in transferring the loads and preventing from sudden collapse. This paper investigates the impact of cross-frames on load distribution after a

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8

Mao, Ya-Na, Chi Ma, Shi-Zhong Liu, and Li-Yuan Li. "Study on the Dynamic Response of Composite Box Girder Bridges with Corrugated Steel Webs." Advances in Civil Engineering 2023 (April 27, 2023): 1–14. http://dx.doi.org/10.1155/2023/5104132.

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To more accurately consider the dynamic response of composite box girder bridges with corrugated steel webs under the effect of live loads, based on the theory of vehicle-bridge coupled vibration, a refined finite element model of vehicle-bridge coupled vibration analysis for composite box girders was established. The advanced dynamic response analysis of composite box girders with corrugated steel webs and traditional concrete box girders with 30 m single boxes and single cells, as well as with 50 m single boxes and multiple cells, was carried out. The research revealed that the natural vibra

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9

Ashiquzzaman, Md, Li Hui, Ahmed Ibrahim, Will Lindquist, Nader Panahshahi, and Riyadh Hindi. "Exterior girder rotation of skew and non-skew bridges during construction." Advances in Structural Engineering 24, no. 1 (2020): 134–46. http://dx.doi.org/10.1177/1369433220945061.

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In bridge design, bridge decks regularly overhang past the exterior girders in arrange to extend the width of the deck whereas constraining the specified number of girders. The overhanging part of the deck comes about in uneven eccentric loads to the exterior girders which are by and large most prominent. These eccentric loads are primarily a result of bridge construction operations as well as the weight of new concrete and other construction live loads. These unbalanced loads can lead to a differential edge deflection of overhang deck and a rotation of the exterior girders. The girder rotatio

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10

Alotaibi, Emran, Nadia Nassif, Mohamad Alhalabi, Humam Al Sebai, and Samer Barakat. "Numerical investigation on redundancy of bridges with AASHTO I-girders." Bridge Structures 17, no. 1-2 (2021): 41–50. http://dx.doi.org/10.3233/brs-210187.

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Bridge safety is one of the most critical concerns among civil engineering fields due to its high importance. The redundancy of bridges was heavily investigated in the literature; however, they were focused on twin girder redundancy cases. Additionally, literatures were scarce in studies that focused on the improvement that should be made to achieve redundancy systems in different AASHTO I-girder types. Thus, this study focused on assessing the additional required number of tendons for different AASHTO I-girder types and spacing between them to achieve the redundancy of I-girder bridges. The a

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11

Cofer, William F., Debra S. Matthews, and David I. McLean. "Effects of Blast Loading on Prestressed Girder Bridges." Shock and Vibration 19, no. 1 (2012): 1–18. http://dx.doi.org/10.1155/2012/186272.

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Since the events of September 11th, increased attention has been given to the effects of blast loading on structures. Bridges are especially important due to their potentially critical role in the economy and for emergency response. Prestressed concrete highway bridges are very common, representing 11 percent of state bridges nationwide. Yet, very little is known about how prestressed concrete bridges respond to blast loading.A finite element model of a precast, prestressed concrete girder was created and validated with two experimental blast tests. It was found that for an explosive event abo

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12

Jiang, Rui Juan, Wei Ming Gai, Xue Feng He, and Yi Yan Chen. "Comparative Study on Seismic Performance of Prestressed Concrete Box-Girder Bridges with Corrugated Steel Webs." Applied Mechanics and Materials 178-181 (May 2012): 2418–23. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.2418.

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Prestressed concrete (PC) box-girders with corrugated steel webs are one of the promising steel concrete composite structures applied to highway bridges. Although the basic structural characteristics including bending, shearing and torsion, etc., have been paid much attention, few researches on the seismic performance of this type of bridges are found, especially when the span of this type of bridges becomes larger and larger. In this paper, the seismic performance of one long-span PC box-girder bridge with corrugated steel webs is studied and compared with a conventional box-girder bridge wit

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13

Cha, Taegweon, and Ilyoung Jang. "Analysis of Static Characteristics of Steel Box Girder Bridge being composited High Strength Concrete at the Lower Flange of the Support." Journal of the Korean Society of Hazard Mitigation 21, no. 1 (2021): 219–24. http://dx.doi.org/10.9798/kosham.2021.21.1.219.

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The steel box girder bridge has excellent applicability to curved bridges owing to its large torsional rigidity. In addition, because the weight of the segments is smaller than that of concrete bridges, it also has many applications for medium-range bridges. However, when a bridge with a span greater than 70 m is constructed, the height of the steel box girder increases, which is disadvantageous for the manufacture and transportation of girders and for bridge construction. Therefore, improvements in the construction methods are required to facilitate construction. Therefore, a structural syste

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14

Mochizuki, Hidetsugu, Katsuhiko Hanada, Tomokazu Nakagawa, et al. "Design and Construction of a Cable-Trussed Girder Bridge." Transportation Research Record: Journal of the Transportation Research Board 1696, no. 1 (2000): 293–98. http://dx.doi.org/10.3141/1696-30.

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Takehana No. 3 Bridge is a cable-trussed girder bridge constructed on a highway route in Shikoku Island, Japan. This is the first application of a cable-trussed girder bridge to a highway bridge in Japan. The cable-trussed bridge (or reversed cable-stayed girder bridge) consists of relatively slender steel plate I-girders, a spatial frame-type post arranged beneath the girders at the middle of the span, and external cables anchored at the ends of the girders. The structural details, static and dynamic characteristics, and design and construction of the bridge are presented. In addition, the ef

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15

Xie, Xiao-Li, Yang Huang, and Xia Qin. "Conceptual design of a new type of single-tower cable-stayed arch bridge and study of its mechanical properties." Advances in Structural Engineering 24, no. 11 (2021): 2500–2511. http://dx.doi.org/10.1177/13694332211001506.

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In order to overcome the apparent characteristics as a flexible structure of a long-span single-tower cable-stayed bridge and the excessive axial force of the main girder, and to exert the advantages of cable-stayed arch cooperative system bridges, this paper proposes a new type of single-tower cable-stayed arch cooperative system bridge. On the premise of the same amount of steel, the new cooperative system bridge can have a greater stiffness than the existing cable-stayed arch cooperative system bridge with the same span. The new system bridge uses the main girder as the rigid tie bar to bal

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16

Xu, Jun, Jian Li, Yu Ye, Yuanqing Xu, and Chong Li. "Dynamic Response of a Long-Span Double-Deck Suspension Bridge and Its Vibration Reduction." Buildings 13, no. 7 (2023): 1791. http://dx.doi.org/10.3390/buildings13071791.

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This paper presents a dynamic analysis of a long-span double-deck suspension bridge subjected to random traffic loading using a Finite Element (FE) model. During this study, the influence of various traffic parameters, such as vehicle speed, traffic volume, traffic weight, and the location of the passing girder, on the longitudinal movement of the girders was investigated. The results reveal that schemes with double girders passing can lead to greater longitudinal displacement of the girder as compared to a long-span bridge with a single passing girder. However, the incorporation of fluid-visc

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17

Zhao, Jia Jian, De Min Wei, and Zhe Hua Huang. "Modal Comparison and Bridge-Type Optimization of Light-Rail Box Girder Bridges." Advanced Materials Research 194-196 (February 2011): 1990–96. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.1990.

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Top 10 natural frequencies and mode shape characteristics of four types of light-rail box girder bridges were summarized by FE modeling. And the mode analysis results were horizontal, vertical contrasted. Furthermore, the relationships between the natural frequency and structural stiffness were studied. Finally, the bridge-types of four types of light-rail box girder bridges were optimized. The results show that the torsional stiffness of the box girder with side walls and diaphragms is much greater than that of the box girder without side walls and diaphragms, the torsional stiffness of the s

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18

Khattak, Nadeem, and J. J. Roger Cheng. "Performance assessment of FC girder bridges in Alberta." Canadian Journal of Civil Engineering 31, no. 4 (2004): 637–45. http://dx.doi.org/10.1139/l04-019.

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A large number of precast prestressed concrete multi-girder bridges were constructed in Alberta in the early 1960s. Major benefits of this type of construction included the elimination of the cast in place concrete bridge deck and the accelerated pace of construction in erecting the bridge. However, after providing 10 to 20 years of service, some of these bridges started to form longitudinal cracks in the deck directly over the girder joining shear key locations. Once a crack was formed in the shear keys, salt and water would penetrate the wearing surface and weaken the shear key grout. This b

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19

Bakht, Baidar, and Leslie G. Jaeger. "Dealing with varying moments of inertia of girders in bridge analysis." Canadian Journal of Civil Engineering 15, no. 2 (1988): 232–39. http://dx.doi.org/10.1139/l88-031.

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In many slab-on-girder bridges, especially those that are continuous over two or more spans, the moment of inertia of a girder varies significantly along the length of the bridge. This paper critically examines the practice of analyzing such bridges for load distribution by methods that make the assumption of constant longitudinal torsional and flexural rigidities. It is found that this practice may not be valid for those slab-on-girder bridges in which variations of the girder moments of inertia are very large.A recommended procedure is given for cases in which the variation in moment of iner

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20

Hui, Li, Md Ashiquzzaman, and Riyadh Hindi. "Application and Experimental Validation of Seven-Degree-of-Freedom Beam Element for Girder Bridges during Deck Construction." Infrastructures 8, no. 12 (2023): 175. http://dx.doi.org/10.3390/infrastructures8120175.

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During bridge deck construction, the deck finishing machine and the fresh concrete often produce large vertical loads and torsional moments acting on the bridge girder system. In some cases, these loads can cause excessive vertical deflection and transverse rotation in the bridge girders, leading to many maintenance and safety problems, such as changes in deck thickness and local and global instabilities during construction. To minimize the potential problems caused by deck construction, the AASHOTO LRFD Bridge Design Specification requires consideration of these torsional moments during the d

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21

Siddiqui, Hasmatali I., and Dr K. B. Parikh. "Influence of Span Length and Radius on Isolated Steel I-Girder Bridge under Different Ground Motion." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 1978–90. http://dx.doi.org/10.22214/ijraset.2023.53996.

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Abstract: Bridges are essential for transportation from many years, out of them Steel I-girder bridge is very old and frequently used in many parts of the world. The current practice of bridge required reduction in bridge demand and proper stability of bridge girder specially at horizontally curve bridge, these are more critical during earthquake. Therefore, it is crucial to understand the seismic behaviour of the Steel I- girder bridge under ground motion. This study investigates the effect of different span length and Radius of bridge, under seismic forces. 3D model of three span, two lane s

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22

Almoosi, Y., and N. Oukaili. "The Response of a Highly Skewed Steel I-Girder Bridge with Different Cross-Frame Connections." Engineering, Technology & Applied Science Research 11, no. 4 (2021): 7349–57. http://dx.doi.org/10.48084/etasr.4137.

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Braces in straight bridge systems improve the lateral-torsional buckling resistance of the girders by reducing the unbraced length, while in horizontally curved and skew bridges, the braces are primary structural elements for controlling deformations by engaging adjacent girders to act as a system to resist the potentially large forces and torques caused by the curved or skewed geometry of the bridge. The cross-frames are usually designed as torsional braces, which increase the overall strength and stiffness of the individual girders by creating a girder system that translates and rotates as a

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23

Verma, V., and K. Nallasivam. "Free vibration behaviour of thin-walled concrete box-girder bridge using Perspex sheet experimental model." Journal of Achievements in Materials and Manufacturing Engineering 2, no. 106 (2021): 56–76. http://dx.doi.org/10.5604/01.3001.0015.2418.

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Purpose: Curved box-girder bridges offers an excellent solution to the problems associated with traffic congestion. However, owing to their complex geometry, they are subjected to shear lag, torsional warping and cross-sectional distortion, which must be assessed in their study and design. Furthermore, the dynamic behaviour of curved bridges adds to the complexity of the issue, emphasizing the importance of studying free vibration. The purpose of this study is to numerically model the concrete curved box-girder bridge considering torsional warping, distortion and distortional warping effects a

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24

Agarwal, Preeti, Priyaranjan Pal, and PradeepKumar Mehta. "Effect of Curve Angle on Single Cell Box-Girder Bridge." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 507–15. http://dx.doi.org/10.38208/acp.v1.541.

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The behaviour of curved box-girder bridge is quite different from the straight one as it is experienced by the additional torsional moments. The analysis and design of such box-girder bridges are quite complicated when the curve angle is varied. The effect of curve angle on the forces and deflection in the girders, inner and outer, of a simply supported single cell reinforced concrete curved box-girder bridge is investigated in this study. A Finite element based software, CSiBridge v.20, was used for the analysis. A convergence study was performed on the proposed model to select the optimum me

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Sali, Jefeena, and Regi P. Mohan. "Parametric Study of Single Cell Box Girder Bridge under Different Radii of Curvature." Applied Mechanics and Materials 857 (November 2016): 165–70. http://dx.doi.org/10.4028/www.scientific.net/amm.857.165.

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Box girders are now prominently used in freeway and bridge systems because of its structural efficiency, better stability, serviceability, economy of construction and pleasing aesthetics. Due to its high torsional rigidity box girders are most suited for curved bridges. In the present investigation, a comparative study of straight and curved box girder bridges with trapezoidal cross section has been carried out. The analysis is carried under the dead load, super imposed dead load, live load of IRC Class A tracked vehicle and prestressed load .This paper focus on the parametric study of box gir

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26

Lin, Jian Jun, Denis Beaulieu, and Mario Fafard. "Parametric study on noncomposite slab-on-girder bridges with enforced frictional contact." Canadian Journal of Civil Engineering 21, no. 2 (1994): 237–50. http://dx.doi.org/10.1139/l94-027.

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Using post-tensioned steel rods for strengthening noncomposite slab-on-steel girder bridges has the beneficial effects of both stabilizing the steel girders laterally and developing partial composite action longitudinally. The stabilizing effect and development of partial composite action are achieved by taking advantage of friction developed at the steel–concrete interface. A bridge reinforced by this technique is expected to have a higher load-carrying capacity and better load distribution under heavy traffic loads. Prestressed rods have been successfully used to strengthen 1/3 scale noncomp

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27

Cheung, M. S., and S. H. C. Foo. "Design of horizontally curved composite box-girder bridges: a simplified approach." Canadian Journal of Civil Engineering 22, no. 1 (1995): 93–105. http://dx.doi.org/10.1139/l95-009.

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Because of their excellent torsional capacity, box girders are used extensively in modern bridge construction having curved alignments. Applications of most design codes have been limited to bridges where the radius of curvature is much greater than the span length and cross-sectional dimensions. To meet the practical requirements arising during the design process, simple design methods are needed for curved bridges. This paper presents the results of a parametric study on the relative behaviour of curved and straight box-girder bridges and on the development of a simplified design method for

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28

Wang, Zhiqiang, Tiantian Li, Hongya Qu, Hongyi Wei, and Yang Zhang. "Seismic performance comparison of precast segmental bridge girders with different cross sections and boundary conditions under vertical quasi-static cyclic testing: An experimental investigation." Advances in Structural Engineering 21, no. 12 (2018): 1936–48. http://dx.doi.org/10.1177/1369433218759780.

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In this study, five 1/5-scale bridge girder specimens are tested with vertical quasi-static cyclic loading, in order to understand their performance in high seismic zones. The study is focused on the superstructures at two critical regions: (1) close to mid-span where high moments and low shears are present (2) and close to the supports where high negative moments and high shears are induced. The first case includes one precast segmental bridge box-girder, one precast segmental bridge I-girder, and one reference cast-in-place I-girder, while the second case consists of one precast segmental br

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29

Nadeem, Mohd. "Finite Element Analysis of I-Girder Bridge." International Journal for Research in Applied Science and Engineering Technology 9, no. 8 (2021): 2084–97. http://dx.doi.org/10.22214/ijraset.2021.37747.

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Abstract: In India railway bridge structures are widely designed with the method suggested by IRS – Concrete bridge code 1997.This Code of Practice applies to the use of plain, reinforced and prestressed concrete in railway bridge construction. It covers both in-situ construction and manufacture of precast units. The Code gives detailed specifications for materials and workmanship for concrete, reinforcement and prestressing tendons used in the construction of railway bridges. After defining the loads, forces and their combinations and requirements for the limit state design, particular recomm

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30

Fereig, Sami M., and Kenneth N. Smith. "Preliminary design of standard prestressed bridges using box girders or hollow slabs." Canadian Journal of Civil Engineering 17, no. 2 (1990): 262–70. http://dx.doi.org/10.1139/l90-032.

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This study uses a linear programming mathematical model to establish preliminary design charts for prestressed bridges using box girders or hollow slabs, giving the required prestressing force after losses for an interior girder for various spans and spacings. The structure is designed to carry the MS200-77 loading, and the design conforms with the Canadian Standards Association Standard CAN3-S6-M78 for design of highway bridges. The bridge considered is single-span, with a cast in situ concrete deck acting compositely with the prestressed girders under live load. The linear programming model

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31

Li, Huan, Xuhui He, Liang Hu, and Guoji Xu. "Quantification of aerodynamic forces for truss bridge-girders based on wind tunnel test and kriging surrogate model." Advances in Structural Engineering 24, no. 10 (2021): 2161–75. http://dx.doi.org/10.1177/1369433221992497.

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This study presents an investigation to quantify the aerodynamics of truss bridge-girders via wind tunnel test and kriging surrogate model. Currently, the conventional methods documented in design specifications only take into consideration the mean drag force at null attack angle. To gain an in-depth understanding on the aerodynamics of truss bridge-girders, experiments on simplified bridge-girder models with various geometric parameters were carried out in uniform flow. A total of 15 truss bridge-girder models with aspect ratio (the ratio of width to height) B/D = 1.0, 1.3, 1.6, 1.9, and 2.2

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32

Ebeido, Tarek, and John B. Kennedy. "Girder moments in simply supported skew composite bridges." Canadian Journal of Civil Engineering 23, no. 4 (1996): 904–16. http://dx.doi.org/10.1139/l96-897.

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The evaluation of girder moments in composite bridges becomes more urgent with the trend to increasing truck loads. The method specified by the American Association of State Highway and Transportation Officials for such an evaluation depends only on the centre-to-centre girder spacing. This method does not account for skew and therefore is extremely conservative for skew composite bridges, since the presence of skew reduces the longitudinal moments in the girders. The method proposed by the Ontario Highway Bridge Design Code (OHBDC) depends on the longitudinal and transverse rigidities of the

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33

Wang, Bo, Rui Zuo, Liang Chen, Wenhai Zhu, and Yuhang Hou. "Mechanical Properties of Fewer-Girder Steel Plate Composite Bridges during Construction." Electronic Journal of Structural Engineering 25, no. 1 (2025): 52–57. https://doi.org/10.56748/ejse.24680.

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With the increasing demands of modern transportation and the advancement of engineering technology, composite steel plate girder bridges have emerged as a significant choice in contemporary bridge construction due to their distinctive structural features and benefits. However, stability issues, particularly deflection, torsion, and buckling, continue to present substantial challenges. This research seeks to elucidate the structural behavior, load distribution, and stress responses of such bridge designs, which are critical for optimizing construction efficiency and ensuring structural safety.

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34

You, Qi Yong. "Finite Element Analysis of Continuous Curved Box-Girder Bridge." Applied Mechanics and Materials 454 (October 2013): 183–86. http://dx.doi.org/10.4028/www.scientific.net/amm.454.183.

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The calculations of plan truss and beam-girder method on straight bridge were analyzed, which determined right beam-girder method calculation model of the box-girder bridge. Based on this model, the different radius continuous curved box-girder bridges were simulated by finite element, and then the internal forces of the bridge were obtained. The calculations of inner beam and outer beam show the change rule of internal force and bridge radius. The reasonable calculation methods of continuous curved box girder bridges are obtained, which can offer help to the bridge designers.

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Sun, Quan Sheng, and Tong Wu. "Analysis of Impact to Counter Force and Internal Force in Different Arrangements of Minor Radius Curve Steel Box Girder Supporting Point." Advanced Materials Research 430-432 (January 2012): 1482–85. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.1482.

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The designing course of curve steel box girder always needs to consider the city roads and buildings.It make the bridge position not only span the traffic below,but also avoid the house building all around [1].So curve steel box girders always have bigger span,smaller radius and the settled pier position.Also,because of the light weight and the prominent effect of bending-torsion coupling [2],the supporting points of steel box girder often suspend under the improper designing.It impact the safety of bridge vastly.Seriously it can make bridges topple.This paper take the designing course of a mi

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Li, Yong, Zijie Yu, Qifan Wu, Yongqian Liu, and Shang Wang. "Experimental-Numerical Study on the Flexural Ultimate Capacity of Prestressed Concrete Box Girders Subjected to Collision." Materials 15, no. 11 (2022): 3949. http://dx.doi.org/10.3390/ma15113949.

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Precise evaluation for flexural ultimate capacity of bridges which are subjected to the collision of over-height trucks is essential for making decisions on corresponding maintenance, strengthening or replacement. When the span of a cross-line continuous bridge with a double-box girder was hit by an overly high vehicle, the concrete floor of one girder was severely damaged, and part of the prestressed strands and reinforcements in the girder were broken. After the double-box girder was removed and separated into two single box girders, the ultimate flexural capacity of both box girders was stu

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Chaurasiya, Arti, and Anjali Rai. "Girder’s Response under Integral Abutment Bridge." IOP Conference Series: Earth and Environmental Science 1326, no. 1 (2024): 012015. http://dx.doi.org/10.1088/1755-1315/1326/1/012015.

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Abstract From the past evaluation and trend in bridge engineering Integral abutment bridges are gaining more popularity than conventional bridges. Kalkaji Flyover Delhi is one of the recent examples of five span continuous deck IAB. Girders are directly joined with abutment/piers without any bearings. These girders play most important role in dead load of bridge. The present study is the analytical investigation of precast concrete girder used in IAB undergone to different loads. The software used for the analysis is Csi Bridge in which a bridge of width 22 metres having the slab thickness 0.3

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Candra, Hendy Ardhian, Sri Wiwoho Mudjanarko, and Sutoyo Sutoyo. "ANALISIS PERBANDINGAN BIAYA DAN WAKTU PELAKSANAAN KONSTRUKSI GIRDER KOMPOSIT DAN PRECAST BETON (Studi Kasus Pekerjaan Jembatan 2 Ruas Mensalong - Tau Lumbis, Provinsi Kalimantan Utara)." Jurnal Spesialis Teknik Sipil (JSpTS) 3, no. 1 (2022): 1–11. http://dx.doi.org/10.30996/jspts.v3i1.8546.

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Bridges as transportation infrastructure have dominant benefits for traffic movement. Bridge is a general term for construction that is built as a transportation route that crosses rivers, lakes, swamps, ravines or other obstacles. Basically, bridge construction is not only aimed at connecting devices, but also has broad objectives and functions, including; economic function, social function, political function, cultural function, defense and security function. The purpose of writing this thesis is to determine the comparison and efficiency in terms of cost and time of bridge construction usin

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Koteš, Peter, Patrik Kotula, Jaroslav Odrobinak, and Jozef Prokop. "Diagnostics and Evaluation of Two Atypical Girder Bridges on Railway Line." Key Engineering Materials 930 (August 31, 2022): 211–16. http://dx.doi.org/10.4028/p-i418x0.

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The paper is focused on diagnostics and calculation of load-carrying capacity of the two atypical girder bridge objects on the railway line between Púchov and Považská Bystrica in Slovakia. These are skewness reinforced concrete (RC) girder bridges with three girders. The non-typicality is given by the fact that the spandrel girders are in the longitudinal direction, but the middle girder is relatively wide and is perpendicular to the clearance (not in the longitudinal direction). The diagnostics was performed on the objects aimed at determining the material and geometric characteristics, whic

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Naser, Ali Fadhil, Hussam Ali Mohammed, and Ayad Ali Mohammed. "Seismic Design Assessment of Bridge Piers Location Effect on the Structural Capacity of Supports under Earthquake Action." International Journal of Safety and Security Engineering 11, no. 2 (2021): 143–53. http://dx.doi.org/10.18280/ijsse.110203.

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The objective of this study was to assess the seismic performance of two types of bridges structures under effect of earthquake by using different locations and numbers of piers. The results of D/C ratio showed that simply supported I girder bridge appeared higher structural capacity than continuous box girder bridge which was resisted the seismic demand. Continuous box girder bridge had higher seismic demand and lower structural capacity comparing with simply supported I girder bridge. Commonly, the seismic design for two types of bridges models with increasing of piers numbers was suitable t

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Fereig, Sami M. "Preliminary design of standard CPCI prestressed bridge girders by linear programming." Canadian Journal of Civil Engineering 12, no. 1 (1985): 213–25. http://dx.doi.org/10.1139/l85-020.

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The design of prestressed concrete bridges using standard CPCI (Canadian Prestressed Concrete Institute) girders is generally done by trial and error, requiring extensive computation. This study will use a linear programming mathematical model to establish preliminary design charts for such cases and to obtain the required prestressing force after losses for a given CPCI bridge interior girder with different spans and spacings. The bridge is designed to carry the MS200-77 loading, and the design conforms with the Canadian Standards Association CAN3-S6-M79 for design of highway bridges. The bri

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Sher, Rao Jang Sher, Muhammad Irfan-ul-Hassan, Muhammad Talha Ghafoor, and Atif Qayyum. "Analysis and Design of Box Girder and T-Beam Bridge Superstructure - A Comparative Study." Mehran University Research Journal of Engineering and Technology 39, no. 3 (2020): 453–65. http://dx.doi.org/10.22581/muet1982.2003.01.

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Bridges are the most important component of transportation system of any country due to their ability of accelerating the development of the nation. Design of bridge highly depends on its function, nature of soil strata where it is constructed and the material used to construct it. Extensive growth of population and traffic leads to many changes in the use and development of different types of bridges. Box and T-beam girders are most commonly used superstructure in case of bridges. In this research work, analysis and design of box and T beam girder has been performed using SAP2000 in order to

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Song, Tai Yu, Yin Shen, and Guo Ping Li. "Study on Simplification Conditions of Curved Regular Bridges under Seismic Effect." Applied Mechanics and Materials 580-583 (July 2014): 1723–28. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.1723.

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A radius of curvature 20 times greater than the deck width of the bridge (R≥20b) is required as a specification in the regular bridge simplification conditions of the seismic response of curved girder bridges. Selecting benchmark bridges and employing parameter analysis method, this article studies on the effect of R/B value of the curved girder bridge on the response ratio of the seismic response calculated using the finite element model and that using a regular girder bridge. This study shows that on conditions that the deck width of the bridge is constant, the smaller the radius of curvatur

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Fiorillo, Graziano, and Navid Manouchehri. "The Effect of Girder Profiles on the Probability of Fatigue Damage in Continuous I-Multigirder Steel Bridges." Infrastructures 10, no. 4 (2025): 92. https://doi.org/10.3390/infrastructures10040092.

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Fatigue is one of the main sources of mechanical failure in steel bridges. However, a few studies have investigated the relationship between the longitudinal shape of bridge girders and long-term fatigue effects. This paper shows how different girder profiles affect the probability of fatigue damage occurring in continuous I-multigirder steel bridges. The analysis was conducted using realistic traffic scenarios defined through truck data collected in USA and Canada. Monte Carlo simulations with 5000 realizations were performed on several continuous bridge configurations with different span len

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Ma, Haiying, Xuefei Shi, and Yin Zhang. "Long-Term Behaviour of Precast Concrete Deck Using Longitudinal Prestressed Tendons in Composite I-Girder Bridges." Applied Sciences 8, no. 12 (2018): 2598. http://dx.doi.org/10.3390/app8122598.

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Twin-I girder bridge systems composite with precast concrete deck have advantages including construction simplification and improved concrete strength compared with traditional multi-I girder bridge systems with cast-in-place concrete deck. But the cracking is still a big issue at interior support for continuous span bridges using twin-I girders. To reduce cracks occurrence in the hogging regions subject to negative moments and to guarantee the durability of bridges, the most essential way is to reduce the tensile stress of concrete deck within the hogging regions. In this paper, the prestress

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Wang, Ying, Li Fang Zhang, and Hai Yan Ma. "Study on the Old Girders in the Widening Hollow Slab Girder Bridge." E3S Web of Conferences 38 (2018): 03028. http://dx.doi.org/10.1051/e3sconf/20183803028.

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Taking the bridge widening project of Shanghai-Hangzhou-Ningbo expressway widening construction project (China) as the background in this paper, the variation law of the internal force of the old bridge in the widening hollow slab girder bridge under vehicle load is studied, which is under the condition of different span lengths and different widening widths. Three different span lengths of the pre-tensioned prestressed hollow slab girder bridges are selected, the spatial finite element models of both the old bridge and the whole structure of widening bridge are established and calculated resp

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Yang, Yang, and Tijun Qiu. "Study on flexural load bearing performance of small radius steel plate composite girder bridge." E3S Web of Conferences 490 (2024): 02010. http://dx.doi.org/10.1051/e3sconf/202449002010.

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The study of flexural load capacity of small radius steel plate composite girder bridges is of great academic and engineering value. This study is based on an actual engineering project and modelled by MIDAS finite element software, aiming to explore the limit states of load carrying capacity of small radius steel plate girder bridges under various conditions. The results show that under different radii of curvature, the flexural performance of the inner and outer main girders is similar, and as the radius of curvature increases from R100 to R400, the maximum positive stress of the combined gi

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Zeng, Yong, Yongqi Li, Tao Yu, and Jiahao Wei. "Analysis of Mechanical Performance of Steel-Concrete Composite Girder Bridge with V-Shaped Piers." Advances in Civil Engineering 2022 (November 9, 2022): 1–11. http://dx.doi.org/10.1155/2022/6489140.

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The steel-concrete composite girder bridge with V-shaped piers is a new type of bridge structure. It has both the unique mechanical performance of a combined continuous girder and that of a V-shaped pier bridge. At present, studies on the mechanical properties of steel main girders combined with concrete deck slabs are mainly focused on the substructure for vertical piers, but piers and girders are not solidified. However, if the V-shaped piers are cemented to the main girder, the performance of the V-shaped piers will directly affect the performance of the total superstructure. The steel main

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Gaute-Alonso, Alvaro, David Garcia-Sanchez, Iñigo Calderon Uriszar-Aldaca, and Claudio Lopez Castillo. "Novel Method for an Optimised Calculation of the Cross-Sectional Distribution of Live Loads on Girder Bridge Decks." Civil Engineering Journal 8, no. 3 (2022): 406–20. http://dx.doi.org/10.28991/cej-2022-08-03-01.

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One of the main goals in the design of girder bridge deck systems is to determine the cross-sectional distribution of live loads across the different girders that make up the cross-section of the deck. Structural grillage models and current bridge design standards based on a Load Distribution Factor (LDF) provide oversized designs, as demonstrated in this paper. This research introduces a novel method that allows the cross-sectional distribution of live loads on girder bridge decks to be calculated by applying a matrix formulation that reduces the structural problem to 2 degrees of freedom for

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McEwen, Everett, and George Tsiatas. "Use of Fatigue Fuses for Prediction of Fatigue Life of Steel Bridges." Transportation Research Record: Journal of the Transportation Research Board 1544, no. 1 (1996): 71–78. http://dx.doi.org/10.1177/0361198196154400109.

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The fatigue fuse is a device for predicting the fatigue life of steel highway bridge members when the bridge is subject to variable loads. The fuse is calibrated so that the cracking of each of its four legs can be related to damage in the structure. In a preliminary laboratory study, fatigue fuses are attached to eight steel girders, selected to represent three types of structural details found in existing highway bridges. The fuses are cemented to the girders and the girders subjected to a constant-amplitude fatigue loading. Cracking of the fatigue fuses is monitored by checking electrical c

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