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Zeitschriftenartikel zum Thema „Girders“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 25. Juli 2025

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1

Shawky, Wael, and Ghaidaa Nabil. "Experimental and numerical study for the post buckling behaviour of plate girders subjected to bending and shear." MATEC Web of Conferences 162 (2018): 04027. http://dx.doi.org/10.1051/matecconf/201816204027.

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This research offers experimental and numerical study for the ultimate strength analysis and post buckling behaviour of plate girders subjected to shear and bending stresses. Two Plate girders of length 2.5m are designed consisting from three separate structural steel plates welded together to form I - section. The dimensions of the first girder section is 512 mm × 120 mm while the second girder section is 412mm × 120 mm. Mechanical properties for plate girders components were found by testing three samples of each plate. The ultimate shear strength was found by examining two plate girders in

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2

Ezzeldin Yazeed Sayed-Ahmed. "Design aspects of steel I-girders with corrugated steel webs." Electronic Journal of Structural Engineering 7 (June 1, 2007): 27–40. http://dx.doi.org/10.56748/ejse.772.

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Corrugated web girders represent a new structural system emerged in the past two decades. The girder’s flanges provide the flexural strength of the girder with no contribution from the corrugated web which provides the girder’s shear capacity. Failure of the web occurs by steel yielding, web buckling or interactively between them. Lateral torsion and local flange buckling of corrugated web girders represent another two possible failure criteria. Here, the work previously performed by the author on corrugated web girders was compiled and presented in a comprehensive format. The starting point i

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3

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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4

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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5

Tan, Hean Seong, Chien Xuan Teow, and Poi Ngian Shek. "Parametric Study on Built-up Plate Girder to Eurocode 3 with Various Beam Span and Steel Grade." Semarak Engineering Journal 6, no. 1 (2024): 11–19. https://doi.org/10.37934/sej.6.1.1119.

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This paper presents the parametric study on built-up plate girders with various steel grades and beam spans to investigate the economic aspect of built-up plate girders with truss girders. Commonly the plate girder is designed to carry heavy load over a 20 m span length and different span lengths of the girders will influence the design of plate girders and their self-weight based on the steel grades and span lengths. Therefore, this study is carried out to determine the most economical detail dimensions and the self-weight of the plate girder structure which is based on the constant uniformly

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Mahmoud, Thamir K., and Qassim Ali Husain Al-Quraishy. "EXPERIMENTAL AND THEORETICAL INVESTIGATIONS FOR BEHAVIOR OF PRECAST CONCRETE GIRDERS WITH CONNECTIONS." Journal of Engineering 18, no. 05 (2023): 621–38. http://dx.doi.org/10.31026/j.eng.2012.05.07.

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This research presents experimental and theoretical investigation of 15 reinforced concrete spliced and nonspliced girder models. Splices of hooked dowels and cast in place joints, with or without strengthening steel plates were used. Post-tensioning had been used to enhance the splice strength for some spliced girders. The ANSYS computer program was used for analyzing the spliced and non-spliced girders. A nonlinear three dimensional element was used to represent all test girders. The experimental results have shown that for a single span girder using steel plate connectors in the splice zone

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Mahmoud, Thamir K., and Ali H. Nasser. "EXPERIMENTAL AND ANALYTICAL ANALYSIS OF PRE-STRESSED CONCRETE SPLICED GIRDER MODELS." Journal of Engineering 15, no. 04 (2009): 4087–106. http://dx.doi.org/10.31026/j.eng.2009.04.01.

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The present research is concerned with experimental and analytical studies of prestressed concrete spliced and non-spliced girder models. The test groups consisted of (16) girders of rectangular sections. Eight girders are spliced while the other eight are reference non - spliced girders. Each spliced girder is composed of three concrete segments connected by splices of ordinary reinforced concrete with hooked dowels different locations. The tested girders were of single span or continuous over intermediate supports. For single span girders two splices were used and post-tensioning was carried

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8

Zhao, Hang, and Bassem Andrawes. "Experimental Testing and Strut-and-Tie Modeling of Full-Scale Precast Concrete Girders with FRP Repaired End Regions." Applied Sciences 10, no. 17 (2020): 5822. http://dx.doi.org/10.3390/app10175822.

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Bridges located in cold regions are susceptible to extreme deterioration due to harsh climate conditions. Distressing of girder’s end regions is among the most common damage types in these bridges. This work focuses on addressing this type of damage through the use of a fiber reinforced polymer (FRP) repair scheme. Three-point-bending tests are conducted on the control, damaged, mortar repair and carbon fiber reinforced polymer (CFRP) repair cases of bridge girders that are taken out of service. Test results are analyzed to investigate the effectiveness of FRP to repair precast concrete (PC) g

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9

Abdul, Khaliq Karimi, Uchida Ryota, Ahmad Aasim Bashir, Tomiyama Jun, and Suda Yuya. "Numerical study on the temporal changes of the principal stresses at the ends of the hollow PC-girders to control horizontal end cracks." Indian Journal of Science and Technology 14, no. 16 (2021): 1283–95. https://doi.org/10.17485/IJST/v14i16.2280.

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Abstract <strong>Background/Objectives:</strong> To professionally meet bridge load demands, hollow PC-girders are recently considered for bridge construction, particularly in Japan. Hollow girders are pretensioned girders, which can be a good alternative for ordinary PC-girders by having lightweight, using less material than other beams, and spanning long distances. Hollow PC-girders can be vulnerable to horizontal end cracking at the time of prestressing strand release. <strong>Methods:</strong> In this study, a nonlinear finite element analysis was performed to investigate th

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Nguyen, Hue Thi, Hiroshi Masuya, Tuan Minh Ha, et al. "Long-term Application of Carbon Fiber Composite Cable Tendon in the Prestressed Concrete Bridge-Shinmiya Bridge in Japan." MATEC Web of Conferences 206 (2018): 02011. http://dx.doi.org/10.1051/matecconf/201820602011.

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Carbon fiber reinforced plastic (Carbon Fiber Composite Cable, CFCC) has the outstanding features in comparison with regular steel. In October 1988, CFCC was applied as the tensioning material in main girders of new Shinmiya Bridge in Ishikawa, Japan. This was the first bridge in Japan and in the world, which CFCC tendons were used in the prestressed concrete bridge to counter salt damage. To investigate the serviceability and durability of the main girders and CFCC, three full-scale test girders were fabricated in 1988. At the same time, a bending experiment was conducted on one girder to inv

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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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12

Uemura, Tomoaki, Norihisa Hashimoto, and Masatoshi Harada. "Heavy-weight floor impact sound in the state of coupled vibration of floor slab and girder of a pure framed structure." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 7 (2023): 1497–508. http://dx.doi.org/10.3397/in_2023_0228.

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Examples of poor heavy-weight floor impact sound insulation performance of pure framed structures with reinforced concrete were observed relative to the floor slab thickness. To investigate the cause of the poor performance, the floor vibration characteristics of actual pure framed structures were measured during heavy-weight impact. As a result, the floor vibration characteristics of the displacement of girders and the coupled vibration of the girders and floor slabs not seen in conventional floor structures surrounded by girders with reinforced concrete walls were observed. The propagation o

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13

Diep, Hung Thanh, Jiho Moon, and Byung H. Choi. "Structural Performance of Prefabricated Composite Girders for Railway Bridges along with Girder-to-Deck Interface Connections for Mechanical Injection." Applied Sciences 13, no. 11 (2023): 6686. http://dx.doi.org/10.3390/app13116686.

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Recently, to resolve a growing need for durable and resilient railway bridge construction/reconstruction systems, a great amount of research has been carried out in many countries. As a part of such studies, prefabricated composite girders with an innovative girder-to-deck connection have been proposed that facilitate construction by eliminating interference during on-site processes. In this study, a railway bridge prototype of prefabricated composite girders with girder-to-deck connections was designed to facilitate future application enhancement of off-site construction. Then, prefabricated

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14

Zheng, Yuanxun, Jinhan Zhang, Jingjiang Wu, and Pan Guo. "Staged Tensioning Control of Precast Box Girder Prestressing Based on Orthogonal Experimental Analysis." ce/papers 8, no. 2 (2025): 1555–62. https://doi.org/10.1002/cepa.3240.

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AbstractIn the field of bridge assembly construction, longer girder storage periods and high temperature and humidity vaporization environments may lead to increased prestress losses in box girders at later stages. In order to reduce the prestressing loss of prefabricated box girders, this paper relies on the actual engineering, through the orthogonal experimental design method, adopts the L16 orthogonal table for the initial tensioning condition of prefabricated box girders, and simulates Maximum stresses of box girders in different working conditions by utilizing the finite element software

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15

Chen, Yicong, Jialiang Zhou, Fangzhi Guo, Baochun Chen, and Camillo Nuti. "Experimental Study on the Flexural Behaviors of Prestressed Segmental Ultra–High–Performance Concrete Channels and Reinforced Conventional Concrete Deck Composite Girders." Buildings 13, no. 7 (2023): 1841. http://dx.doi.org/10.3390/buildings13071841.

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Flexural testing on two prestressed segmental ultra–high–performance concrete channels and reinforced conventional concrete deck composite girders (PSUC–RCCD) was carried out. One was made up of four segments with dry joints, and the other was formed of one channel beam without a dry joint. Both of them poured a conventional concrete deck slab on site. The mechanical behaviors of the girders, including the whole loading process, the crack pattern, and the failure mode were investigated and compared. The effect of the number of segments and the steel fiber volume fraction of UHPC on the bending

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16

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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17

Hamood, Mohammed, Wael AbdulSahib, and Ali Abdullah. "The effectiveness of CFRP strengthening of steel plate girders with web opening subjected to shear." MATEC Web of Conferences 162 (2018): 04012. http://dx.doi.org/10.1051/matecconf/201816204012.

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The present study is experimental by nature; it involves applying shear buckling test on seven steel-plated girders that are subjected to shear loading. Four of these girders represent the strengthened girders whereas the other three are reference girders. One of the latter type of girders has a square web opening; the second has a diamond web opening while the last one has no opening at all. The webs of the strengthened girders were adhesively attached to CFRP sheets of different patterns. This step was carried out to evaluate the most effective strengthening scheme by CFRP composite. The stu

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18

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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19

Naser, Mohannad, and Venkatesh Kodur. "Response of fire exposed composite girders under dominant flexural and shear loading." Journal of Structural Fire Engineering 9, no. 2 (2018): 108–25. http://dx.doi.org/10.1108/jsfe-01-2017-0022.

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Purpose This paper aims to present results from numerical studies on the response of fire exposed composite girders subjected to dominant flexural and shear loading. A finite element-based numerical model was developed to trace the thermal and structural response of composite girders subjected to simultaneous structural loading and fire exposure. This model accounts for various critical parameters including material and geometrical nonlinearities, property degradation at elevated temperatures, shear effects, composite interaction between concrete slab and steel girder, as well as temperature-i

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Sami Malik, Hawraa, and David A. M. Jawad. "Parametric Study of the Intermediate External Bracing System of Composite Steel Box Girder Bridges." Basrah journal of engineering science 21, no. 1 (2021): 56–60. http://dx.doi.org/10.33971/bjes.21.1.8.

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During the pouring of concrete deck, the installation of external bracing between the inner and outer girders may be necessary when the bridge has sharp curve in order to control the deflection and rotation of the girders. However, it is important to minimize the number of external bracing members, as they have expensive cost and they also have opposite effects for the fatigue features of the steel tub girders. The analysis of curved box girder bridges is carried out numerically by the use of finite element method through (ANSYS 19.2) software. The curved box girder with the intermediate exter

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Mahmoud, Thamir K., and Musab Aied Qissab Al-Janabi. "Behavior of Spliced Steel Girders under Static Loading." Journal of Engineering 20, no. 10 (2023): 93–109. http://dx.doi.org/10.31026/j.eng.2014.10.07.

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In this paper, the behavior of spliced steel girders under static loading is investigated. A group of seven steel I-girders were tested experimentally. Two concentrated loads were applied to each specimen at third points and the load was increased incrementally up to the yield of the specimen. Two types of splices were considered; the bearing type and the friction-grip type splices. For comparison, an analytical study was made for the tested girders in which the finite element analysis program (Abaqus) was used for analysis. It was found that the maximum test load for spliced girders with bear

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Waldron, Peter. "The significance of warping torsion in the design of straight concrete box-girder bridges." Canadian Journal of Civil Engineering 15, no. 5 (1988): 879–89. http://dx.doi.org/10.1139/l88-113.

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Out-of-plane warping, resulting from torsional loading, is an important feature of box-girder bridges of thin-walled cross section. This may be of some consequence in girders where warping is restrained, since it may alter the level of stress both around the cross section and along the entire length of the beam. It is well known that some girders with very thin walls are not susceptible to warping, whereas others, with thicker walls, warp significantly when twisted. It is shown that the degree of warping is not governed by wall thickness alone; cross-sectional geometry, girder configuration, a

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Hayatdavoodi, Aliakbar, and Nandivaram Elumalai Shanmugam. "Web Buckling and Ultimate Strength of Composite Plate Girders Subjected to Shear and Bending." International Journal of Structural Stability and Dynamics 15, no. 02 (2015): 1450047. http://dx.doi.org/10.1142/s0219455414500473.

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The paper is concerned with ultimate load behavior of steel–concrete composite plate girders subjected to combined action of shear and bending. An analytical method is presented to predict the interactive response of the girder. The method considers the tension field action in the plate girder web panel and shear failure of concrete slab. The method is approximate and can be applied to composite plate girders at the preliminary stages of design. Strength of composite plate girders is investigated by varying the moment/shear ratio. It is shown that ultimate load capacity of composite plate gird

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Borzovič, Viktor, Ján Laco, Miroslav Pecník, and Peter Pažma. "The Crack Development Mechanism of Prestressed Girder Influenced by Different Bond between Prestressed Tendons and Concrete." Key Engineering Materials 691 (May 2016): 309–20. http://dx.doi.org/10.4028/www.scientific.net/kem.691.309.

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The paper deals with formation and development of cracks up to the failure of two span post-tensioned concrete girder. It is focused on influence of different bond between prestressing units and surrounding grout. Monitored and analysed phenomena affected by different bond are as follows: crack initiation, crack spacing and crack width of the prestressed girder. Sources of analysis are results from experimental program focused on influence of oil based corrosion protection agents on bond of prestressing units. Two span post-tensioned girders were subjected to the loading in laboratory till the

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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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Rashid, Muhammad U., Liaqat A. Qureshi, and Muhammad F. Tahir. "Investigating Flexural Behaviour of Prestressed Concrete Girders Cast by Fibre-Reinforced Concrete." Advances in Civil Engineering 2019 (April 1, 2019): 1–11. http://dx.doi.org/10.1155/2019/1459314.

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The main objective of this research was to investigate the effect of adding polypropylene and steel fibres on flexural behaviour of prestressed concrete girders. Although the construction industry is frequently using prestressed concrete to increase the load-carrying capacity of structures, it can be further enhanced by using fibres. In this paper, experimental work was carried out to encourage the construction industry in utilizing fibres in prestressed concrete members to improve the mechanical properties of these members. As past investigations on fibre-reinforced prestressed beams were lim

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Xu, Fen, Yikai Cheng, Kangjian Wang, and Man Zhou. "Transverse Analysis of Box Girders with Corrugated Steel Webs." Buildings 14, no. 3 (2024): 574. http://dx.doi.org/10.3390/buildings14030574.

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The utilisation of box girders with corrugated steel webs (CSWs) represents an innovative approach to bridge superstructure design that has garnered substantial popularity worldwide, with a notable prevalence in both Asia and Europe. Compared with traditional box girders, they avoid web cracking, improving the prestressing efficiency and bridge spanning ability. As an innovative box girder, a corrugated web can increase the cantilever length and transverse stiffness, and at the same time, it reduces the dead weight of the bridge deck. However, little research has been conducted on the mechanic

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Liu, Jie, Xiangyu Huang, Juanjuan Chen, and Qiaoyun Wu. "Effect of Shear Deformation at Segmental Joints on the Short-Term Deflection of Large-Span Cantilever Cast Prestressed Concrete Box Girders." Buildings 13, no. 1 (2023): 219. http://dx.doi.org/10.3390/buildings13010219.

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The excessive deflection of large-span cantilever cast prestressed concrete (LCCPC) box girders has always been a complex problem to be solved in bridge engineering. To analyze the effect of shear deformation at segmental joints on the deflection of LCCPC box girders, comparison tests were carried out on three prestressed concrete (PC) I-girders with joints and a PC I-girder without joints, and a finite element simulation method of segmental joints was proposed based on the tests. Subsequently, finite element analysis was conducted on a test girder and the Assistant Shipping Channel Bridge of

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Snyder, Russell D. "Prestressed Steel Girders for Single Span Bridges." Engineering Journal 32, no. 3 (1995): 83–86. http://dx.doi.org/10.62913/engj.v32i3.648.

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Long single span bridges are becoming more common on today's highway systems. The span lengths of these bridges grow as the widths of the underlying roadways increase to accommodate larger volumes of traffic and the use of intermediate supports in the underlying median are discouraged to allow for future widening of the roadway or mass transit corridors. Span lengths of 150 to 250 feet are not uncommon and typically require the use of steel plate girders. Since these simple spans have no benefit of continuity at the supports, the required plate sizes tend to be rather large. One method to redu

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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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Vinh Ha, Ho, Nguyen Ngoc Long, and Ngo Van Minh. "Theoretical calculation of bending capacity of a steel beam - ultra high performance concrete slab composite girder." Transport and Communications Science Journal 74, no. 4 (2023): 497–506. http://dx.doi.org/10.47869/tcsj.74.4.9.

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The composite girder, which combines a steel beam with an ultra-high-performance concrete (UHPC) slab, has gained significant attention in recent years as a new type of bridge structure. However, accurately estimating the bending capacity of such girders remains a challenge, as practical methods are limited. In this article, the authors propose a theoretical approach based on the Euler-Bernoulli beam theory to determine the bending capacity of composite girders. This approach considers the assumptions of plane sections remaining plane and infinitesimal strains during bending. By applying this

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Li, Li, Yu Lu, and Miaojuan Peng. "Deterioration Model for Reinforced Concrete Bridge Girders Based on Survival Analysis." Mathematics 10, no. 23 (2022): 4436. http://dx.doi.org/10.3390/math10234436.

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The prediction of bridge service performance is essential for bridge maintenance, operation, and decision making. As a key component of the superstructure, the performance of the main girders is critical to the structural safety of the bridge. This study makes full use of the inspection records from the Bridge Management System (BMS) in Shanghai and performs pre-processing work on a large amount of data. Recent advances in survival analysis were utilized to investigate the inspection records of over 40,000 reinforced concrete bridge main girders over a 14-year period. Survival analysis methods

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Stojkovski, Valentino, Viktor Iliev та Filip Stojkovski. "Nаdоgrаdnjа sistеmа zа hlаđеnjе vоdоm sа mоgućnоstimа ispirаnjа". Energija, ekonomija, ekologija 23, № 2 (2021): 48–56. http://dx.doi.org/10.46793/eee21-2.48s.

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This paper presents an analysis of the operating parameters of a water cooling system of the structural part of a furnace for rolling mills preparation. The structural solution of the cooling system is performed as flow, with a constant inflow of fresh water and drainage from the system. Four longitudinal pipes are installed, which are supported by vertical girders. Vertical girders should provide thermal stability to ensure pipe- plate horizontality. The vertical girders are regularly connected to the cooling system by placing pipes direct into the vertical girder, which engages the part of t

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Song, Chaojie, Gang Zhang, Wei Hou, and Shuanhai He. "Performance of prestressed concrete box bridge girders under hydrocarbon fire exposure." Advances in Structural Engineering 23, no. 8 (2020): 1521–33. http://dx.doi.org/10.1177/1369433219898102.

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This article presents an approach for investigating performance of prestressed concrete box bridge girders under hydrocarbon fire exposure. A three-dimensional nonlinear finite element model, developed in computer program ANSYS, is utilized to analyze the response of prestressed concrete box bridge girders under combined effects of fire exposure duration and simultaneous structural loading. The model validation is performed using a scaled prestressed concrete box girder exposed to ISO834 fire in furnace. Subsequently, the validated model is used to investigate fire performance of prestressed c

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Gan, Ya-Nan, Zi-Chen Zhang, and Gen-Hui Wang. "The Multi-Functional Modelling Shear Lag Method for Accurate Calculation of Static Response and Accordion Effect of Improved Composite Box Girders." Baltic Journal of Road and Bridge Engineering 18, no. 1 (2023): 1–17. http://dx.doi.org/10.7250/bjrbe.2023-18.586.

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The composite box girder with corrugated web and steel bottom plate (CW-SBS) is a kind of improved steel-concrete structures. The design of CW-SBS box girders needs the accurate method to calculate the working response and accordion effect in consideration of the self-stress equilibrium condition of shear lag warping stress and shear deformation. This study proposes the multi-functional modelling shear lag (MFMSL) method which adopts the four longitudinal displacement difference functions to model the variation of shear lag in the CW-SBS box girders with different wing slab widths and thicknes

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Jethwa, Hardik, Prof (Dr ). J. R. Pitroda, Prof C. S. Raichura, and Nikhil Poriya. "Precast Girder Management During the Erection Process: A Review." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 11 (2024): 1–5. https://doi.org/10.55041/ijsrem39274.

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With a focus on their use in bridge building, the study examines the procedures, methods, and factors that go into erecting precast girders. Large- scale infrastructure projects require precast girders because of their effectiveness and quality, which guarantee less time spent on building sites and less labor. The paper covers several precast girder types, including segmental, box, U, and I girders, and how project needs determine which type is best for a given project. It compares the applicability, benefits, and drawbacks of several erection techniques, such as span-by-span, full-span, and g

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Choi, Byung H., Taek-Ryong Seong, Bidhek Thusa, and Jiho Moon. "Experimental Study on the Manufacturing and Structural Performance of Prefabricated Composite Girders with Continuous Precast Deck-to-Girder Connections." Journal of the Korean Society of Hazard Mitigation 24, no. 6 (2024): 243–51. https://doi.org/10.9798/kosham.2024.24.6.243.

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A new type of prefabricated composite girder with innovative continuous precast deck-to-girder connections is proposed to overcome the disadvantages of ordinary girders, including interference and overlapping during the deck assembly process. A large-scale experimental study was conducted to evaluate the assembly and structural performances of these girders. The results showed no interference during the assembly of the proposed girder specimen, and a visual inspection after drilling confirmed that the mortar was filled without any voids in the continuous precast deck-to-girder connections. Fur

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Qiao, Peng, Jin Di, and Feng-jiang Qin. "Warping Torsional and Distortional Stress of Composited Box Girder with Corrugated Steel Webs." Mathematical Problems in Engineering 2018 (2018): 1–13. http://dx.doi.org/10.1155/2018/7613231.

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The torsional behaviors of composite box girders with corrugated steel webs are more obvious than traditional concrete girders due to the lower torsional rigidity. In this paper, the torsion and distortion of this kind of composite girder are studied. The formulas for warping normal stress and shear stress were put forward according to the second theory of Umanskii, considering the accordion effect of corrugated steel webs. Then, the influences of different dimensional parameters on the torsional and distortional stress are investigated. Results show that the effect of parameters on stress is

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Tepic, Jovan, Rade Doroslovacki, and Mirko Djelosevic. "Unconventional Bearing Capacity Analysis and Optimization of Multicell Box Girders." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/496398.

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This study deals with unconventional bearing capacity analysis and the procedure of optimizing a two-cell box girder. The generalized model which enables the local stress-strain analysis of multicell girders was developed based on the principle of cross-sectional decomposition. The applied methodology is verified using the experimental data (Djelosevic et al., 2012) for traditionally formed box girders. The qualitative and quantitative evaluation of results obtained for the two-cell box girder is realized based on comparative analysis using the finite element method (FEM) and the ANSYS v12 sof

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Abbas, Rafa'a Mahmood, and Zainab Saadi Qassem. "Load Distribution Factors For Horizontally Curved Composite Concrete-Steel Girder Bridges." Journal of Engineering 19, no. 2 (2023): 167–79. http://dx.doi.org/10.31026/j.eng.2013.02.01.

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This paper focuses on Load distribution factors for horizontally curved composite concrete-steel girder bridges. The finite-element analysis software“SAP2000” is used to examine the key parameters that can influence the distribution factors for horizontally curved composite steelgirders. A parametric study is conducted to study the load distribution characteristics of such bridge system due to dead loading and AASHTO truck loading using finite elements method. The key parameters considered in this study are: span-to-radius of curvature ratio, span length, number of girders, girders spacing, nu

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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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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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Anderson, Katherine E., and Ken P. Chong. "Least Cost Computer-aided Design of Steel Girders." Engineering Journal 23, no. 4 (1986): 151–56. http://dx.doi.org/10.62913/engj.v23i4.476.

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Hybrid steel beams, used for over a quarter of a century, have evolved through many theories of design criteria. In this paper, emphasis is placed on stiffened hybrid girders, although unstiffened and homogeneous girders are also included as special cases. AISC has developed specifications to which a steel member must perform. The formulas in the specifications, however, do not define explicitly the best girder to do a particular structural task. Instead, a "region" is defined which contains a large number of acceptable girders from which the designer must choose. Even when a computer is used

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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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Chen, Jing Xi, Guang Zhang, Hong Fei Li, and Fa Min Chen. "Experimental Study on Mechanical Behaviors of the Prestressed Concrete Girder." Key Engineering Materials 348-349 (September 2007): 361–64. http://dx.doi.org/10.4028/www.scientific.net/kem.348-349.361.

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The prestressed concrete girder is a new type of bridge structure. Compared with the traditional concrete girders, its crack resistance has been greatly improved. This type of new girders was used in a certain viaduct in China. In order to probe working characteristics of this type of new girders, some site tests, such as tension-camber test, concentrated load test, uniform load test and mixed load test, were carried out. The results of the tests are analyzed and summed up in this paper.

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Hazairin, Hazairin, Euneke Widyaningsih, and Nafisah Noor Sakinah. "Analisis Perbandingan Biaya Penggunaan Steel Box Girder Berdasarkan Variasi Jumlah dan Dimensi (Studi Kasus: Jembatan Cimanuk Maktal)." RekaRacana: Jurnal Teknil Sipil 8, no. 1 (2022): 13. http://dx.doi.org/10.26760/rekaracana.v8i1.13.

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ABSTRAKBiaya merupakan salah satu hal penting dalam perencanaan konstruksi. Faktor utama yang mempengaruhi biaya adalah dimensi dan jenis material konstruksi. Penentuan dimensi dan jenis material beracuan pada persyaratan yang berlaku. Namun persyaratan tersebut hanya memberikan rentang minimum dan maksimum. Maka perlu dilakukan perbandingan biaya terhadap rentang dimensi tersebut. Dalam kasus ini perhitungan struktur yang dilakukan adalah perhitungan girder jembatan. Dilakukan perhitungan biaya pada 4 variasi dimensi steel box girder. Dari hasil analisis didapatkan girder dengan dimensi 2 x 2

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Wexler, Neil. "Composite Girders with Partial Restraints: A New Approach." Engineering Journal 30, no. 2 (1993): 68–75. http://dx.doi.org/10.62913/engj.v30i2.611.

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Most designs for buildings with steel frames are based on girders with simple connections. To eliminate the problems associated with traditional construction (such as deep and heavy girders and large deflections during construction) structural engineers have been searching for a new design system for a long time. The stub girder system is one example of such efforts. However, the stub girder system proved to be uneconomical for most common buildings. A new and different approach to composite steel/concrete designs was undertaken by the writer resulting in light building frames and cost savings

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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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Kazemi, M. T., and S. Erfani. "Analytical study of special girder moment frames using a mixed shear–flexural link element." Canadian Journal of Civil Engineering 34, no. 9 (2007): 1119–30. http://dx.doi.org/10.1139/l07-037.

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The present paper introduces a mixed shear–flexural (VM) link element that is capable of modelling shear yielding, flexural yielding, and their interaction under monotonic and cyclic loadings. The inelastic deformations are modelled using the multisurfaces approach with dissimilar yield surfaces and a stiffness matrix with nonzero off-diagonal components in shear–flexural space. A new kinematic hardening and new non-associated flow rules are employed. A special girder, which has an open web in the middle, is introduced and modelled using the developed VM link element. It is shown that the resu

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Lee, Jung Woo, Chang Joh, E. S. Choi, I. J. Kwak, and Byung Suk Kim. "Estimation of Shear Behavior of Ultra High Performance Concrete I Girder without Shear Stirrups." Key Engineering Materials 525-526 (November 2012): 557–60. http://dx.doi.org/10.4028/www.scientific.net/kem.525-526.557.

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Thinner and lighter members can be designed by utilizing the high stiffness and toughness, and high compressive strength of Ultra High Performance Concrete (UHPC), which reaches up to 180MPa. This high strength and ductile tensile behavior of UHPC makes it possible to design the web of the UHPC I Girder without conventional shear stirrups, which makes the UHPC I girder slender, light and economical. However, establishing shear design procedure for UHPC I girders without stirrups requires additional theoretical and experimental studies. This paper investigated shear behavior of UHPC I girder wi

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