Academic literature on the topic 'Cantilever bridge'

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Journal articles on the topic "Cantilever bridge"

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Li, Xiao Ke, Jun Lian Yin, and Shi Ming Liu. "Static Analysis of Prestressed Concrete Cantilever Bridge." Applied Mechanics and Materials 438-439 (October 2013): 913–16. http://dx.doi.org/10.4028/www.scientific.net/amm.438-439.913.

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Due to geological conditions at abutment, working mechanism and economy, a prestressed concrete bridge with double cantilevers is designed. Main dimensions and drawings are introduced and static analytical results of prestressed concrete cantilever bridge are discussed. The numerical model was built by the integrated solution system for bridge and civil Engineering-MIDAS/Civil. The main loads which affect internal force and deflection at key sections of bridge are studied, such as mid-point, support point and free end of cantilever bridge. The rules which loads affect internal forces and deflections are revealed. The results show that dead weight is an important load to control internal force and deformation of bridge with double cantilevers. The design and numerical results would give some references to the optimization of similar bridges.
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Rajeshirke, Shriket P., Prof Yogesh R. Suryawanshi, and Prof Dr Navnath V. Khadake. "Comparative Study of Balance Cantilever Bridge and Extradosed Bridge." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 3365–75. http://dx.doi.org/10.22214/ijraset.2022.43126.

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Abstract: Now a days, in India Balance Cantilever bridges are widely used in hilly region were supporting from the bottom is difficult. The name Balance Cantilever Bridge is arrived due to the application of construction methodology which balances out the cantilever portion. It is one of the most effective methods of building bridges without the need of false work. Balanced cantilever bridges are used for special requirements like construction over traffic, short lead time compared to steel and use local labour and materials. Extradosed bridge is a unique idea bridge between Girder Bridge and cable-stayed bridge. A balanced cantilever bridge with construction stage analysis consideration a model is prepared in the Midas Civil software and analysed, we can see how it considers construction stage analysis with creep & shrinkage effect. The construction stage analysis in the Midas Civil considers shrinkage and creep during construction stages to simulate the construction process of a incremental stage. As most of the literature covers either balance cantilever bridge or extradosed bridge, this paper introduces and attempt to summaries comparative study of balance cantilever and extra dose bridge with its span arrangement, span by depth ratio, prestressing steel etc. Keywords: Construction stage, balance cantilever , extradosed, prestress
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Liu, Chun Lei, and Su Juan Dai. "The Best Position to Determine the Hinge in the Cantilever Bridge." Applied Mechanics and Materials 578-579 (July 2014): 814–17. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.814.

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The simple-supported beam bridge is a common structure form widely used in small and medium span bridges. When the span is longer, the maximum bending moment is accordingly bigger. The maximum positive and negative bending moment numerical of beam decreases obviously because of cantilever bridge with cantilever beams to reduce the amount of materials. This article analyzes the current commonly used cantilever bridge with large span. The two-span cantilever bridge is analyzed under various loads about the internal force according to the condition of the absolute value of the maximum positive and negative bending moment being equal. It carries on the contrast and analysis about simple-supported beam bridges and obtains the best location of the hinge in the cantilever bridge. Moreover, it provides some reference for the optimum design of similar bridges and projects.
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Guo, Lukai, Hao Wang, John Braley, and Giri Venkiteela. "Field Evaluation of Piezoelectric Energy Harvesters on Bridge Structure." Machines 11, no. 4 (2023): 462. http://dx.doi.org/10.3390/machines11040462.

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This study aims to develop and evaluate vibration-based piezoelectric energy harvesters for generating power from a bridge structure. New designs of multiple-degree-of-freedom (DOF) cantilevers were proposed and evaluated in a laboratory and on a full-scale bridge. It was found that all cantilever designs showed potential of generating 35 V voltage outputs under a simple sinusoidal vibration scenario in the laboratory. Field testing results showed that the match between the vibration frequencies of bridge structure and the resonant frequencies of cantilevers significantly affected the voltage output from the piezoelectric energy harvester under moving tire loads. Through adding more DOF on the same cantilever, the voltage attenuation from peaks generated by the cantilever turned to be less significant after each load passing, leading to greater energy outputs in some cases. With adjusting the mass combination in the 3-DOF cantilever design, the voltage output and energy production reached 11.1 V and 58.2 μJ under one single loading pulse, respectively, which was higher than 9.2 V and 14.9 μJ obtained from the best scenario of 1-DOF cantilevers. The study findings indicate the potential of developing multi-band piezoelectric energy harvesters for harvesting energy from bridge vibrations.
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Nguyen, Duy Tien, Xuan Tung Nguyen, and Van Minh Ngo. "Survey and analysis long term deflection of cantilever bridge in Vietnam." IOP Conference Series: Materials Science and Engineering 1258, no. 1 (2022): 012063. http://dx.doi.org/10.1088/1757-899x/1258/1/012063.

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The deflection and camber of bridge, especially of the box girder bridge as well as their effected factors have been important research topics since the end of the last century. In Vietnam, the box girder bridge constructed by cantilever method had been introduced since the 1990s and become popular in the last twenty years. After more than two decades of exploitation, these bridges face various problems such as over deflection, cracks... To clarify the actual deflection of the cantilevered box girder bridge and the effected factors such as creep and shinkage, the survey of long-term deflection of such box girder bridge (Hung Ha bridge) has been carried out and compare with the numerical analysis. The results show the significant effect of creep and shinkage to the long-term deflection of the cantilevered box girder bridge.
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Arunpraditkul, Siriporn. "Cantilever bridge." Chulalongkorn University Dental Journal 37, no. 3 (2014): 361–70. http://dx.doi.org/10.58837/chula.cudj.37.3.10.

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Li, Juan, Rengye Zhao, and Shengliang Cao. "Structural deformation control in bridge construction based on error analysis and correction." PLOS ONE 20, no. 4 (2025): e0319844. https://doi.org/10.1371/journal.pone.0319844.

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Structural deformation control of constructed bridges not only affects the alignment of the bridge, it is also the key to ensure safety. Factors such as temperature and time interval in actual construction can make the bridge deviate from the design state, therefore, this paper proposes a method based on error analysis and correction to eliminate these errors, and realize the structural deformation control in bridge construction control. The cantilever deflection in main girder is modeled and the effect of subsequent cantilevers on deflection at current section is further considered. The error in elevation caused by factors such as temperature and time interval is calculated, and a linear minimum variance estimate is employed to reduce this error. Practical engineering verification is carried out on a bridge in Shanxi, where the proposed error analysis method is further implemented by measuring the current cantilever elevation and comparing it with the original design value, with a purpose of obtaining a reasonable elevation for the next cantilever. The results show that, with the application of error analysis and correction, the elevation error generated during construction process is less than 20 mm, and the elevation error after the completion of bridge is less than 30 mm, the linear shape and internal condition of the bridge structure can also be further conformed to design requirements.
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Wang, Qian, Wen-liang Qiu, and Sheng-li Xu. "Structural Optimization of Steel Cantilever Used in Concrete Box Girder Bridge Widening." Mathematical Problems in Engineering 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/105024.

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The structural optimization method of steel cantilever used in concrete box girder bridge widening is illustrated in this paper. The structural optimization method of steel cantilever incorporates the conceptual layout design of steel cantilever beam based on the topological theory and the determination of the optimal location of the transverse external prestressed tendons which connect the steel cantilever and the box girder. The optimal design theory and the analysis process are illustrated. The mechanical model for the prestressed steel cantilever is built and the analytical expression of the optimal position of the transverse external tendon is deduced. At last the effectiveness of this method is demonstrated by the design of steel cantilevers which are used to widen an existing bridge.
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He, Zhengyi, Yi Xiang, Linshu Li, Mei Wei, Bonan Liu, and Shuyao Wu. "Research on Construction Risk Assessment of Long-Span Cantilever Casting Concrete Arch Bridges Based on Triangular Fuzzy Theory and Bayesian Networks." Buildings 14, no. 9 (2024): 2627. http://dx.doi.org/10.3390/buildings14092627.

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Considering the complex construction processes involved, there are significant risks during the construction of long-span cantilever casting arch bridges. In this study, a risk assessment method for the construction process of cantilever casting concrete arch bridges was developed. The compositional elements and characteristics of safety risks in the construction of cantilever casting concrete arch bridges were clarified, and a safety risk source list that includes seven major risk sources and thirty-three minor risk sources was formed. Then, a Bayesian model for the risk analysis of cantilever casting concrete arch bridge construction was established, and a method was proposed to determine the prior and posterior probabilities of the Bayesian network using triangular fuzzy numbers. This method fully utilizes the experience of experts while avoiding the subjectivity of expert opinions. A cantilever casting concrete open spandrel arch bridge (Bridge A) with a total span length of 287 m was taken as an example, and a safety risk assessment was conducted during its construction process. The calculation results show that the construction safety risk level of Bridge A was level III. This engineering application verified the feasibility of determining key node parameters of the Bayesian network using triangular fuzzy numbers.
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Budi, Adityo, Gitaning Primaswari, and Rikal Andani. "KOMPARASI EFISIENSI METODE PERAKITAN JEMBATAN PANEL RANGKA BAJA PADA PRESERVASI JEMBATAN." Jurnal HPJI 11, no. 1 (2025): 49–62. https://doi.org/10.26593/jhpji.v11i1.9066.49-62.

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Abstract Deterioration of bridge conditions can be caused by material durability, traffic volume and load, environmental conditions, or natural disasters. For this reason, bridge rehabilitation activities are needed. The bridge rehabili-tation process often results in road access being cut off and the handling process takes quite a long time. To prevent isolated areas to happen, it is necessary to build emergency bridges, which are usually called steel frame panel bridges or also known as Bailey Bridges. The construction of steel frame panel bridges can use several installation methods, namely full-span, shoring, balanced cantilever, and semi-balanced cantilever. This research aims to compare the effectiveness and efficiency of steel frame panel bridge erection methods. For this reason, field observations and interviews were carried out related to the assembly of steel frame panel bridges. Data analysis was carried out quantitatively and qualitatively by comparing the cost, time and level of ease of installing steel frame panel bridges. This study shows that the installation of a steel frame panel bridge using the semi balanced cantilever method is the easiest installation, requiring installation time of only 13 days for a span of 30 m, and with the lowest cost. Keywords: bridge; steel frame panel bridges; bridge assembly; semi balanced cantilever Abstrak Penurunan kondisi jembatan dapat disebabkan oleh durabilitas material, volume lalu lintas dan beban, kondisi lingkungan, atau adanya bencana alam. Untuk itu diperlukan kegiatan rehabilitasi jembatan. Proses rehabilitasi jembatan seringkali membuat akses jalan terputus dan proses penanganannya membutuhkan waktu yang cukup lama. Untuk mencegah adanya daerah yang terisolir, diperlukan pembangunan jembatan darurat, yang biasa disebut dengan jembatan panel rangka baja atau biasa disebut juga sebagai jembatan Bailey. Pembangunan jembatan panel rangka baja dapat menggunakan beberapa metode pemasangan, yaitu full-span, shoring, balanced cantilever, dan semi balanced cantilever. Penelitian ini bertujuan untuk membandingkan efektivitas dan efisiensi metode erection jembatan panel rangka baja. Untuk itu, dilakukan observasi lapangan dan wawan-cara yang terkait dengan perakitan jembatan panel rangka baja. Analisis data dilakukan secara kuantitatif dan secara kualitatif dengan membandingkan biaya, waktu, dan tingkat kemudahan pemasangan jembatan panel rangka baja. Studi ini menunjukkan bahwa pemasangan jembatan panel rangka baja yang menggunakan metode semi balanced cantilever merupakan pemasangan yang paling mudah, membutuhkan waktu pemasangan hanya 13 hari untuk bentang 30 m, dan dengan biaya yang paling murah. Kata-kata kunci: jembatan; jembatan panel rangka baja; perakitan jembatan; semi balanced cantilever
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Dissertations / Theses on the topic "Cantilever bridge"

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Demartini, Christopher J. "Strength and durability of the Story Bridge approach spans." Thesis, Queensland University of Technology, 1992. https://eprints.qut.edu.au/36060/1/36060_Demartini_1992.pdf.

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A great number of reinforced concrete bridges in Australia are in excess of 30 years old and beginning to show signs of distress. The vehicle loads carried by these structures have increased since their construction and will continue to increase in the future. A rational procedure for inspection, testing and analysis of these bridges is vital if this important national asset is to be managed effectively and the useful life of these structures economically extended. The Story Bridge provides a major traffic corridor over the Brisbane River. It is now over 50 years old and beginning to show signs of distress. The author has undertaken a detailed procedure of testing, inspection and analysis of the approach spans to this structure. The procedure formulated for the Story Bridge can be effectively applied to other reinforced concrete bridge structures. The major mechanisms of concrete corrosion have been identified and methods to test for these in concrete stn,ictures detailed. These testing methods have been applied in the investigation of the approach spans to the Story Bridge. Several applicable structural analysis techniques have been described and implemented in the analysis work undertaken. Test loading of the structure was carried out using two 38 tonne test vehicles and employing a computer based data logging system for data collection. The results of the test loading were used to calibrate the various analytical models used in the investigation. The results of the investigation of the approach spans to the Story Bridge have shown that the major problems are corrosion of reinforcement with associated concrete spalling at expansion and construction joints and significant carbonation of the concrete in the structure. The causes of these problems and remedial measures to economically extend the useful life of the structure have been formulated. The work undertaken highlighted the need for improved design techniques with respect to limiting the number of joints in bridges, and also the need for further research into the long term behaviour of coating systems for the protection of concrete against carbonation. Also highlighted was the need for a national mobile testing facility for bridges to enhance the ability of public authorities to undertake effective investigations of the numerous ageing bridges under their control.
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Bueno, Jorge García-Brioles, and Gustavo Zelmanovitz Ciulla. "Structural Optimization of Bridge Cantilever Decks : Applications of an Automated Design." Thesis, KTH, Bro- och stålbyggnad, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-232735.

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Civil engineering projects involve great investments and great impacts. For that reason,engineers have a commitment with an efficient and optimal use of resources. Researchers inuniversities claim that a lot could be achieved by applying structural optimization into realprojects, even though this approach has not gained the same popularity in the industry over thelast decades.The purpose of the present thesis is to explore the possibilities offered by structural optimizationand to verify its applicability in realistic and complex structural engineering problems. Amongthe questions regarding design optimization, it was emphasized feasibility, efficiency and userfriendliness. The chosen structural system was a bridge cantilever deck. The analysis was limitedto the transversal design of the structure and the goal of the optimization was to reduce investmentcosts. In order to guarantee efficiency of the simulations, a "longitudinal length convergence"analysis was performed. It consisted of determining the minimum required longitudinal length(perpendicular to the cantilever length) that ensured reasonable accuracy. The purpose of thisanalysis was to reduce the computational time during the optimization process. In order toautomate the analysis, MATLAB was used in connection to Abaqus (to perform the FE Analysis).There were three different sets of results presented: the length convergence, application toreal projects and parametric study. In the first application, it was shown that the requiredlongitudinal length (lx) proportionally decreased as the cantilever length (lc) increased. It wasalso observed the presence of the edge beam implied in consistently larger longitudinal lengthsfor the same accuracy tolerance. With respect to the second application, two projects wereconsidered and the structural optimization presented alternatives with significant investment costreduction in a reasonable time. Furthermore, it was observed that a design solution without theedge beam reduced the costs even more. Finally, the parametric study confirmed that the costreduction obtained by eliminating the edge beam was not restricted to only certain cantileverlengths. Furthermore, it was possible to obtain the pattern of thickness variation as function ofthe cantilever length.The results of this research suggest that structural optimization could be an alternative totraditional design methods used today in consulting offices and its possibilities transcend puredesign achievements.
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Papatheodorou, Marianthi. "Dynamic finite element modelling, measurement and updating of cable stayed bridges." Thesis, University of Bristol, 2001. http://hdl.handle.net/1983/9bc30f08-7040-4ade-be27-8a56eacc1826.

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Xiao, Yilin. "Analyses of reinforced concrete cantilever bridge decks under the live truck loads." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ31659.pdf.

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Lucko, Gunnar. "Means and Methods Analysis of a Cast-In-Place Balanced Cantilever Segmental Bridge: The Wilson Creek Bridge Case Study." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/35904.

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Different means and methods exist in the construction industry to erect bridge superstructures. In planning and execution of the complex construction operations the effects of the chosen erection method need to be considered to achieve a safe and economical process. Failures of bridges under construction have underlined the importance of this issue. <p> Hence, constructability issues need to be considered from the very beginning of projects. Structural analysis mathematically models geometry, boundary conditions, and other structural details, material properties, and so-called actions and incorporates factors of safety. Aforementioned actions, i.e. loads or restraints of deformations may act only temporarily during construction, depending on the method and sequence of erection. However, these construction loads can create considerable stresses in the unfinished structure prior to completion when it still lacks additional redundancy against failure. Furthermore, time-dependent material properties such as creep, shrinkage, and relaxation play a major role, especially in segmental construction. <p> A case study is provided as an example of how constructability issues are dealt with in engineering practice. The Wilson Creek Bridge is a five-span cast-in-place concrete segmental bridge that was erected with Balanced Cantilever Construction. The bridge superstructure incorporated a camber to account for time-dependent deflections in final alignment. <p> Form travelers were used in an alternating manner about the bridge piers to construct cantilever arms that were finally connected at midspan. These travelers remained in place until the box girder segments had reached sufficient strength to be post-tensioned to their predecessors. Casting cycle duration on this project was one week.<br>Master of Science
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Laurendeau, Matthew P. "Live-Load Testing and Finite-Element Analysis of a Steel Cantilever Deck Arched Pratt Truss Bridge for the Long-Term Bridge Performance Program." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/904.

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The Long Term Bridge Performance (LTBP) program is an organization within the Federal Highway Administration that inspects, tests, analyzes, and observes, for an extended period of time, a variety of bridge types throughout the United States. Part of the program includes periodic testing of select bridges of a span of 20 years. The Kettle River Bridge located outside of Sandstone, Minnesota was selected for study due to its unique design. The Kettle River Bridge is a historical steel cantilevered deck arched Pratt truss bridge. The bridge was instrumented with 151 strain gauges on various floor and truss members along with eight displacement gauges strategically placed along the truss. All gauges were read simultaneously as the bridge underwent non-destructive live loading. The recorded gauge readings were analyzed to determine bridge behavior and then used in the assistance of calibrating a working finite-element model. After a working model was verified the distribution factors for the interior and exterior floor stringers were determined. By using the controlling distribution factor, a load rating for the bridge was determined for both inventory and operating. The distribution factors and load ratings determined using the working finite-element model were then compared to the AAHSTO LRFD specifications.
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Yucel, Omer Burak. "Calibration Of The Finite Element Model Of A Long Span Cantilever Through Truss Bridge Using Artificial Neural Networks." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609850/index.pdf.

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In recent years, Artificial Neural Networks (ANN) have become widely popular tools in various disciplines of engineering, including civil engineering. In this thesis, Multi-layer perceptron with back-propagation type of network is utilized in calibration of the finite element model of a long span cantilever through truss called Commodore Barry Bridge (CBB). The essence of calibration lies in the phenomena of comparing and correlating the structural response of an analytical model with experimental results as closely as possible. Since CBB is a very large structure having complex structural mechanisms, formulation of mathematical expressions representing the relation between dynamics of the structure and the structural parameters is very complicated. Furthermore, when the errors in the structural model and noise in the experimental data are taken into account, a calibration study becomes more tedious. At this point, ANNs are useful tools since they have the capability of learning with noisy data and ability to approximate functions. In this study, firstly sensitivity analyses are conducted such that variations in dynamic properties of the bridge are observed with the changes in its structural parameters. In the second part, inverse relation between sensitive structural parameters and modal frequencies of CBB is approximated by training of a neural network. This successfully trained network is then fed up with experimental frequencies to acquire the as-is structural parameters and model updating is achieved accordingly.
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Čtvrtlík, Libor. "Dálniční viadukt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409789.

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The aim of diploma thesis was designing motorway viaduct over rowing track. From three possible options was selected one, which represents cable stayed bridge with three spans. Design procedures and assessments were pefrormed to comply with the ultimate an serviceability limit state according to valid European standards. The calculation was performed in software Midas Civil 2020. Structural assessment was done by IDEA Statica 10.1 in combination with hand-done calculation. The part of this thesis is also enclosed drawings and visualizations.
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Zvolánek, Lukáš. "Most přes Lochkovské údolí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226443.

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The theme of the Master’s thesis is detailed design of superstructure for selected option of the bridge. The bridge carries highway across Lochkov valley. The superstructure, 6 spans, is made of one cell continuous box beam with large overhangs supported by prefabricated struts. The continuous beam is in plan curvature. As the first, side spans 1, 5, 6 will be casting on fixed scaffolding. Spans 2 and 4 will be casting using cantilever method, gradually hanging superstructure up. For the casting the main span will also be using cantilever method, gradually removing temporary hangers of adjacent spans. The structure was analysed according to limit states. The thesis also includes a time dependent analysis of the structure and solution of influence construction on its design.
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Šedrla, Jakub. "Most na dálnici nad Dolanským potokem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226425.

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My thesis is focused on a design and comparism of the highway bridge across Dolansky creek. The bridge is built by balanced cantilever method. The common span length is 110metres. The bridge is post-tensioned concrete structure.The static model is made of beams.The static analysis during lifespan of bridge is made by Time discretization analysis . The design of reinforcement is made for longitudinal section and cross section.
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Books on the topic "Cantilever bridge"

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Raitt, Gordon. Forces: Building a cantilever bridge. Cambridge University Press, 1987.

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D, Middleton William. The bridge at Québec. Indiana University Press, 2001.

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L'Hébreux, Michel. Le pont de Québec. Septentrion, 2001.

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von, Amelunxen Hubertus, Désy Louise 1952-, Lambert Phyllis, and Centre canadien d'architecture, eds. Dieter Appelt: Forth Bridge-cinema.metric space = Forth Bridge-cinema.espace métrique. Canadian Centre for Architecture/Centre canadien d'architecture, 2005.

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Xiao, Yilin. Analyses of reinforced concrete cantilever bridge decks under the live truck loads. Nova Scotia CAD/CAM Centre, Dalhousie University, 1997.

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Helmicki, Arthur J. Instrumentation of the US Grant Bridge for monitoring of fabrication, erection, in-service behavior, and to support management, maintenance, and inspection. Ohio Dept. of Transportation, Research, 2013.

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Johnson, W. S. Investigation of fiber bridging in double cantilever beam specimens. National Aeronautics and Space Administration, Langley Research Center, 1986.

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Forces, building a cantilever bridge. Cambridge University Press, 1987.

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Dieter Appelt: Forth Bridge-Cinema.Metric Space = Forth Bridge-Cinema.Espace Metrique. Centre Canadien D'Architecture/Canadian Ure, 2005.

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Cantilever bridges. s.n., 1986.

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Book chapters on the topic "Cantilever bridge"

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Lacroix, R. "Cantilever Built Bridges with Prefabricated Segments." In Advanced Problems in Bridge Construction. Springer Vienna, 1991. http://dx.doi.org/10.1007/978-3-7091-2614-1_3.

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Yuan, Chao, Feng Li, Min Wang, and Fei Tian. "Research on Key Technology of Rapid Integrated Construction of Fully Prefabricated Rigid Frame Bridge." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_19.

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AbstractBased on the reconstruction and expansion project of an expressway, a set of rapid construction technology for integrated erection of fully prefabricated rigid frame bridges is proposed, which solves the problems of unmatched work efficiency of each working face in the conventional integrated bridge erectors and long construction period of traditional suspension assembly technology. This method realizes the rapid construction of this type of bridges in highly urbanized areas. In this method, a new bridge girder integrated erection machine is used to synchronously install precast segmental beams, pier top blocks and precast pier column. At the same time, precast segmental beams near the middle pier are assembled by conventional cantilever assembly method, and the installation method of the precast segmental beams near the transition pier is optimized from the half span suspension assembly method to the cantilever assembly method by temporarily fixing the pier top block and arranging temporary prestressed tendons. This new integrated construction method improves the construction efficiency from 39.5d/unit to 32d/unit, and reduces the interference to traffic and environment.
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Kasapgil, S. M., and K. Ergüner. "Structural assessment and maintenance of a balanced cantilever bridge." In Risk-Based Strategies for Bridge Maintenance. CRC Press, 2023. http://dx.doi.org/10.1201/9781032638294-22.

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Bahirgonde, Sneha B., and Avinash S. Joshi. "Time History Analysis of Balanced Cantilever Bridge “A Case Study”." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-9885-8_64.

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Yang, Yan, and Yingxue Chen. "Cantilever construction technology of long span asymmetric continuous rigid frame bridge." In Advances in Measurement Technology and Disaster Prevention. CRC Press, 2024. http://dx.doi.org/10.1201/9781032629506-31.

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Hiraoka, Aoi, Gen Hayashi, and Takashi Yamaguchi. "Influence of Intermediate Hinge Damage on Bridge Response and Modal Parameters of Cantilever-Suspended Girder Bridge." In Lecture Notes in Civil Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07258-1_75.

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Caner, Alp, Nurdan Apaydın, Melike Cınar, Erol Peker, and Mehmet Kılıc. "Reconstruction of Partially Collapsed Post-tensioned Beğendik Bridge During Balanced Cantilever Construction." In Springer Tracts on Transportation and Traffic. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59169-4_17.

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Huang, Yichai, Weiqing Zeng, Jiayi Li, Yi Ding, and Yufei Liang. "Research on the Application of Digital Twin in Bridge Cantilever Erection Construction." In Advances in Engineering Research. Atlantis Press International BV, 2025. https://doi.org/10.2991/978-94-6463-658-1_58.

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Tian, Zhongchu, Ye Dai, Zujun Zhang, et al. "Review of Construction and Technical Research of Cantilever Casting Concrete Arch Bridge." In Structural Integrity. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-83508-7_31.

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Jiang, Yu, and Peiheng Long. "Parameter Sensitivity Analysis of Long Span PC Continuous Beam Bridge with Corrugated Steel Webs." In Lecture Notes in Civil Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_26.

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AbstractIn order to explore the regularity of alignment and stress variation of long-span corrugated steel web (CSW) continuous beam bridge during cantilever casting construction was taken as the engineering background. Based on numerical simulation, the sensitivity of parameters of alignment and stress of the main beam is carried out on cast-in-place section weight, modulus of elasticity and temperature gradient. The results show that the obvious influence of cast-in-situ section weight and temperature gradient on the alignment and stress is the key control parameters, while modulus of elasticity is the secondary control parameters. Therefore, it is necessary to monitor concrete dense and environmental temperature change in real time during construction, closure at a suitable temperature. Correct construction errors in time, ensure structural safety and smooth alignment.
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Conference papers on the topic "Cantilever bridge"

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Ohno, Tetsushi, Hidehiko Sekiya, Ikumasa Yoshida, Ryotaro Wada, Atsushi Yasuda, and Keiko Tateno. "Fundamental Study on Continuous Estimation of Vertical Displacement during PC Bridge Construction." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.2102.

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&lt;p&gt;This study focuses on continuous vertical displacement estimation in PC bridges constructed using the balanced cantilever method. Traditional leveling surveys are labor-intensive and limited to specific moments, hindering efficiency. Using strain and rotation angle data from sensors installed on the bridge, continuous vertical displacement estimation is proposed. The estimation accuracy was validated by comparing results with leveling surveys. Results closely matched leveling survey data, demonstrating the method's accuracy. Sensors were placed on the bridge's lower deck to minimize temperature effects. Continuous monitoring captured deformation during construction, addressing challenges in traditional surveys.&lt;/p&gt;
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Checa, Josep Farré, Haiying Ma, Jose Antonio Lozano Galant, and José Turmo Coderque. "Optimization of prestressing operations in the design of cable-stayed bridges by applying the Direct Algorithm." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0921.

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&lt;p&gt;A new direct simulation of the cantilever erection method is presented in order to reduce the prestressing operations of stay cables. This new method introduces a direct approach for cable- stayed bridge construction using the cantilever erection method, employing independent finite element models. Prestressing forces are modeled as imposed strains based on the unstressed length concept to ensure the achievement of a specific target state post-construction (objective service stage, OSS). This facilitates faster simulation of the construction process, particularly for steel bridges and the predesign of concrete cable-stayed bridges, and enables direct simulation of construction stages and OSS achievement. The proposed method's efficacy is demonstrated through the analysis of a cable-stayed bridge.&lt;/p&gt;
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Rajbhoj, Shashank, and Saugata Bhattacharjee. "Rehabilitation of MG Setu Bridge over River Ganga, Patna, Bihar." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.0629.

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&lt;p&gt;The old Balanced Cantilever Bridge was having span of 120m i.e the arms of 60m cantilevering from either side of the pier. The bridge was supported on twin piers supported on the common well foundation 12.65m diameter. After 25 years of construction, the pin joint between the cantilever arms was sheared off and they were deflected beyond tolerance limits for majority of the spans. Hence it was decided for replacement of only the deteriorating part of the bridge i.e the superstructure and retaining the substructure and Well foundation. The existing piers and Well foundations were checked for new loading in various construction stages for the transition from dismantling of balanced cantilever and for final stage converting to the Simply supported Steel superstructure truss. Sustainable approach of salvaging the well foundation giving new life to Bridge by replacing the superstructure was considered fast and environment friendly solution. The construction and demolition wastes were 76500 cum which were recycled and reused in an environment friendly manner. The debris was used to develop the road network from labour Camp to Project site.&lt;/p&gt;
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Komar, Gernot, Peeyush Shukla, and Andrew Gillespie. "Improvement of Al Shindagha Corridor with Infinity Arch." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0306.

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&lt;p&gt;The Improvement of Al Shindagha Corridor in Dubai has captured regional and international attention for its exceptional design and construction, most notably the spectacular Infinity Arch lying at the heart of both the project and the city itself. The bridge's design features twin arches curving above the road deck, creating a visually stunning figure-eight shape which gives the bridge its name, evoking the symbol for infinity (00). Parsons’ comprehensive scope of work ranged from preliminary corridor study, through preliminary design, final design, tendering and finally construction supervision. The cast-in-place post-tensioned segmental box girder bridge with the Infinity Arch over the Dubai Creek was constructed using the balanced cantilever methodology and the 21 approach bridge frames were constructed using the precast segmental bridge technology, the best of both worlds of segmental construction were implemented for this project.&lt;/p&gt;
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Basu, Subrata, Amitabha Ghoshal, and Alok Bhowmick. "Caisson Foundations for two Bridges across river Hooghly at Kolkata." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.0585.

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&lt;p&gt;Kolkata is separated from its twin city Howrah by the river Hooghly, which has a bed of silt clay, and, fine sand up to large depths, typical of alluvial deposits. The high demand for cross-river traffic prompted the building of two bridges, with the earlier one a balanced cantilever with suspended span, with a load under the main pier of 30000 tons, and the second one, a cable-supported span with a tower load of 10000 tons. A single monolith of size 55 m x 25 m with 21 chambers, with steel cutting edges under all walls, and provision for airtight diaphragms on the cap of all walls, was provided for the older bridge. For the new bridge two circular multi-chamber caissons 23.8 m dia., fabricated on the other bank, to be floated out and sunk at precise locations, 180 m inside the river waterway, provided the main challenge. This paper presents details of the engineering that addresses these challenges.&lt;/p&gt;
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Kaswaga, Katelula Salum. "Construction of J.P. Magufuli Extradosed Cable-Stayed Bridge (3.0km) at Mwanza, Tanzania near Kigongo/Busisi Ferry." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.1004.

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&lt;p&gt;The J.P. Magufuli extradosed bridge is currently under construction. The bridge crossing Lake Victoria has an overall length of 3,000m and a deck width of 28.45m to accommodate 4 lanes of&lt;/p&gt;&lt;p&gt;3.5m wide carriageway of vehicular traffic, the shoulder of 2.5m+2.5m for emergency parking and vehicle breakdown on each side, 2.5m+2.5m footpath for pedestrians on each side, and median of&lt;/p&gt;&lt;p&gt;2.45m. The structural arrangement of the main bridge is 100m+160m+160m+100m = 520m, the approach bridge PSC beam bridge L = 2480m (including 31@40=1240m on each side). The Superstructure is the extradosed bridge with RCC deck with three RCC Pylon of 18.856m height. The girder heights in the mid-span and end-span are 5.4m and 3.2m, respectively. This paper discusses the construction aspects of the J.P. Magufuli bridge along with the details of a special traveling formwork (Form-Traveller) that is used to enable the balanced cantilever construction, Pylons, PC House construction for the Pile Cap, and Deck Slab Partial Depth Panel for Deck Slab Construction.&lt;/p&gt;
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Tondo, Gledson Rodrigo, Guido Morgenthal, and Charles Riley. "Portable depth sensing with the iPhone time-of-flight LiDAR." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0937.

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&lt;p&gt;Modern smartphones offer diverse features, including ample storage, wireless data transfer, and various sensors, making them valuable for structural data collection. This study investigates the iPhone's LiDAR system for depth data collection, defining its field of view and assessing its performance for static and dynamic targets. We analyse limitations such as phone-to-target distance and noise properties. Measurement comparisons with a laser displacement transducer are conducted under different conditions to characterise the sensor’s properties. Discussions on the results include insights into Apple's AI-based sensor fusion framework, which enhances data resolution but potentially compromises accuracy in dynamic measurements. We demonstrate the system's practicality through modal analysis of a steel cantilever, revealing potential for bridge inspection and autonomous structural diagnostics via non-contact vibration sensing.&lt;/p&gt;
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Kajale, Akshaykumar D., and Prof Y. T. Lomte Patil. "Seismic Analysis of Cantilever Steel Truss Bridge." In 2nd Indian International Conference on Industrial Engineering and Operations Management. IEOM Society International, 2022. http://dx.doi.org/10.46254/in02.20220636.

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Furunes, Eirik Wie. "Trysfjord bridge, parametric analysis and modelling for drawingless construction of a concrete balanced cantilever bridge." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1999.

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&lt;p&gt;The Trysfjord bridge is a concrete balanced cantilever bridge with a main span of 260m, being built at the present time and will, when finished, be among the largest bridges within its type. The bridge is part of the E39 highway under construction between Kristiansand and Mandal in the southern part of Norway. The concurrent design and construction process are being done with parametric analysis and modelling (PAM) as well as building information modelling in x dimensions (4D, 5D, xD, BIMxD).&lt;/p&gt;&lt;p&gt;This design and building project utilize the underlying power of computers not directly accessible through commercial software, by programming our own adapters and pre-/postprocessing algorithms in Dynamo, Python, and C#. This is creating new connections between the profession of computer programmers and civil engineers. Different layers in the architecture from calculations to modelling is also coupled.&lt;/p&gt;
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Furunes, Eirik Wie. "Trysfjord bridge, parametric analysis and modelling for drawingless construction of a concrete balanced cantilever bridge." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1999.

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&lt;p&gt;The Trysfjord bridge is a concrete balanced cantilever bridge with a main span of 260m, being built at the present time and will, when finished, be among the largest bridges within its type. The bridge is part of the E39 highway under construction between Kristiansand and Mandal in the southern part of Norway. The concurrent design and construction process are being done with parametric analysis and modelling (PAM) as well as building information modelling in x dimensions (4D, 5D, xD, BIMxD).&lt;/p&gt;&lt;p&gt;This design and building project utilize the underlying power of computers not directly accessible through commercial software, by programming our own adapters and pre-/postprocessing algorithms in Dynamo, Python, and C#. This is creating new connections between the profession of computer programmers and civil engineers. Different layers in the architecture from calculations to modelling is also coupled.&lt;/p&gt;
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Reports on the topic "Cantilever bridge"

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Paidoussis, Michael. PR-593-16703-R01 Lab and Analytical Model - Flow Induced Vibration of Brine Strings. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011505.

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This is the report on the 3rd phase of "Brine String Stability Studies" at McGill University for the period of April 2017 to November 2017. Some recent modifications on experimental setup, results of both theoretical and experimental investigations for a discharging tube with an aspirating annulus (configuration (iii)) and experimental achievements for an aspirating tube with a discharging annulus (configuration (iv)) are given. In addition to the results for the brine string problem with internal and external axial flow, a new idea for developing nonlinear dynamics of cantilevered plates in reverse axial flows is also presented.
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Four construction workers die after cantilever launching gantry collapses at bridge construction site - Ohio. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2006. http://dx.doi.org/10.26616/nioshface200405.

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