Relevant bibliographies by topics / Steel Truss Bridge

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Steel Truss Bridge'

Author: Grafiati
Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Steel Truss Bridge"

1

Zheng, Xiaobo, Gang Zhang, Yongfei Zhang, and Leping Ren. "Alternative Load Path Analysis for Determining the Geometric Agreement of a Cable-Stayed Bridge with Steel Truss Girders." Advances in Civil Engineering 2021 (November 16, 2021): 1–14. http://dx.doi.org/10.1155/2021/2158582.

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The geometric agreement, commonly hailed as load-transferring paths within bridge structures, is significantly crucial to the bridge structural mechanical performance, such as capacity, deformation, and collapse behavior. This paper presents a methodology dependent on alternative load paths to investigate the collapse behavior of a double-pylon cable-stayed bridge with steel truss girders subjected to excess vehicle loading. The cable-stayed bridge with steel truss girders is simplified using a series-parallel load-bearing system. This research manifests that the enforced vehicle loading can be transferred to alternative paths of cable-stayed bridges in different load-structure scenarios. A 3-D finite element model is established utilizing computer software ANSYS to explore the collapse path of cable-stayed bridge with steel truss girders, taking into account chord failure, loss of cables together with corrosion in steel truss girders. The results show that chord failures in the mid-portion of the mainspan result in brittle damage in truss girders or even sudden bridge collapse. Further,the loss of long cables leads to ductile damage with significant displacement.The corrosion in steel truss girders has a highly slight influence on the collapse behavior of cable-stayed bridge. The proposed methodology can be reliably used to assess and determine the vulnerability of cable-stayed bridge with steel truss girders during their service lifetime, thus preventing structural collapses in this type of bridge.
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2

Wang, Gaoxin, Youliang Ding, and Xingwang Liu. "The monitoring of temperature differences between steel truss members in long-span truss bridges compared with bridge design codes." Advances in Structural Engineering 22, no. 6 (December 4, 2018): 1453–66. http://dx.doi.org/10.1177/1369433218815436.

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The temperature differences in bridge structures have been one primary concern for bridge engineers and researchers. In the traditional view, the temperature differences between steel truss members are treated as uniform because of the good heat transfer characteristic of steel material and the shading effect of deck coverage. However, for some steel truss bridges, some truss members are directly exposed to solar radiation, while some other truss members are totally shaded by steel decks, which may cause obvious temperature differences between them, so it is reasonable to doubt the correctness of uniform temperature existing between steel truss members. In this research, the temperature differences between steel truss members in two long-span truss bridges are analyzed using long-term temperature field data, and after analysis, the temperature differences which contain obvious positive or negative values are made clear. Furthermore, the evaluation method of temperature differences in bridge service life for thermal action design is put forward together with the determination method of probability density function, and the evaluated temperature differences are further obtained after probability statistics analysis. Finally, the evaluated temperature differences are classified by sun radiation and steel deck coverage, and then compared with the specified values in the three specifications. The research results can provide important reference for current specifications and structural design, especially for steel truss bridges.
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Sun, Zhi Jie, and Yong Qian Liu. "Existing Railway Steel Truss Bridge Static Experimental Analysis Based on Full-Bridge-Model." Applied Mechanics and Materials 405-408 (September 2013): 1500–1503. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.1500.

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Combine the specific bridge, an analytical on the bridges static performance studied through the finite element model analysis and field test method. Summary and analyze the displacement and stress variation law of the main truss, longitudinal beams and beams which the bolt and weld superstructure steel truss bridges are effected by static loads, and compared field test results with theory value. Application practice proves that the evaluation standard and inspection of steel truss bridge is appropriate.
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Xiang, Zhong Fu, and Yong Zeng. "Chongqing Bridge and its Combination Bridge." Applied Mechanics and Materials 147 (December 2011): 45–49. http://dx.doi.org/10.4028/www.scientific.net/amm.147.45.

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A brief introduction is given about the history and current situation of Chongqing Bridge. Several combination bridges are introduced in detail about structure characteristic and innovation: Chongqing Wushan Yangtze River Bridge--steel tube- concrete composite arch bridge; Twinning of Chongqing Yangtze River Bridge--steel-concrete composite rigid frame bridge; Chaotianmen Yangtze River Bridge --steel truss - arch composite bridge; Caiyuanba Yangtze River Bridge --Rigid Frame - Tied Arch Bridge.
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Liu, Zhenlei, and Hao Sun. "Nonlinear Stress Analysis of Key Joints of Steel Truss Bridge." Journal of Physics: Conference Series 2185, no. 1 (January 1, 2022): 012068. http://dx.doi.org/10.1088/1742-6596/2185/1/012068.

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Abstract Steel truss bridges are widely used in bridge engineering for the advantages of good ability of spanning capacity, construction and light self-weight. Main trusses are the main stressed component of steel truss bridge. And the main truss are made of truss members connected by integral joints. So, the safety of integral joints are very important for normal operation of steel truss bridge. The superstructure of the continuous steel truss bridge with double decks was selected as the engineering example. The software, MIDAS/CIVIL is used to establish the full finite element model of the continuous steel truss bridge. Based on the results of the full bridge model, the 3D finite element model integral joint considering material nonlinearity was established by software Abaqus. The stress distribution of the integral joint under the unfavorable external force were analyzed and compared. The results showed that the most parts of the integral joint are in elastic stage, and the stress distribution is inhomogeneous. The stresses of integral joint are greater than that of truss members. Except for individual stress concentration areas, the stresses in the center area of the integral joint are greater than the stress at the edge. All in all, the safety of integral joints for the engineering example can be guaranteed.
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Jin, B., D. Liu, and CK Zhu. "Experimental study on bridge vibration test." Journal of Physics: Conference Series 2158, no. 1 (January 1, 2022): 012016. http://dx.doi.org/10.1088/1742-6596/2158/1/012016.

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Abstract Taking Chaihe bridge in Tieling City and Songhuajiang railway bridge on Binbei line as examples, the vibration test is carried out by using the environmental excitation method. By testing and comparing the first three typical vibration modes of the two bridges, and the experimental research shows that: A. compared with Concrete-Filled Steel Tubular Bridge, truss bridge has higher stiffness. B. The span and height of truss bridge can be higher and farther than that of Concrete-Filled Steel Tubular Bridge; C. Truss bridge is more convenient in testing, maintenance and health monitoring, and has good performance and stability.
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Deng, Haiqian. "Research Status and Development Prospect of Steel Truss Bridge Joints." Highlights in Science, Engineering and Technology 10 (August 16, 2022): 48–52. http://dx.doi.org/10.54097/hset.v10i.1225.

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In recent decades, with the increasing demand of long-span bridges and the continuous progress of construction technology, steel truss bridges have been more and more widely used. In general, the joint form of steel truss bridge can be divided into two types: splice joint and integral joint. The selections of the joint forms in steel truss bridges have gradually become the focus of the designers and researchers. Based on the engineering cases of steel truss bridges, this paper introduces the characteristics and advantages of the splice joint and the integral joint, respectively. The engineering performances of these two kinds of joints are compared under the same working condition. The corresponding conclusions on joint selection are obtained, and the prospect of joint design for steel truss bridges is proposed.
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Sun, Xiaotong, Yu Xin, Zuocai Wang, Minggui Yuan, and Huan Chen. "Damage Detection of Steel Truss Bridges Based on Gaussian Bayesian Networks." Buildings 12, no. 9 (September 15, 2022): 1463. http://dx.doi.org/10.3390/buildings12091463.

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This paper proposes the use of Gaussian Bayesian networks (GBNs) for damage detection of steel truss bridges by using the strain monitoring data. Based on the proposed damage detection procedure, a three-layer GBN model is first constructed based on the load factors, structural deflections, and the stress measurements of steel truss bridges. More specifically, the load factors of the structures are defined as the first-layer network nodes, structural deflections are considered as the second-layer network nodes, and the third-layer nodes of the GBN model are built based on the stress data of the truss elements. To achieve the training for the constructed GBN model, the finite element analysis of the bridge structures under the different load factors is performed. Then, the training of the network is performing by using the maximum likelihood estimation approach, and the optimized network parameters are obtained. Based on the trained network model, the measured load factors and the corresponding stress monitoring data of a limited number of truss elements are considered as input, and the stress measurements of all truss elements of bridges can be accurately estimated by searching the optimized topological information among network nodes. For a steel truss bridge, when the truss elements are damaged, the stress states of the damaged elements will be changed. Therefore, a damage index is further constructed for damage detection of steel truss bridges based on the changed stress states of those damaged elements. To verify the feasible and effective use of the proposed damage detection approach, an 80 m steel truss bridge with various damage cases was conducted as numerical simulations, and the investigation results show that the trained GBN can be accurately used for stress prediction of steel truss bridges, and the proposed damage index with the estimated stress data can be further applied for structural damage localization and quantification with a better accuracy. Furthermore, the results also suggest that the proposed damage detection procedure is accurate and reliable for steel truss bridges under vehicle loads.
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Bakht, Baidar, and Leslie G. Jaeger. "Behaviour and evaluation of pin-connected steel truss bridges." Canadian Journal of Civil Engineering 14, no. 3 (June 1, 1987): 327–35. http://dx.doi.org/10.1139/l87-052.

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Two posted bridges, with pin-connected steel trusses, were recently proof tested in Ontario. This paper presents some results of the tests and draws conclusions, which are also applicable to other similar structures. It is concluded that, unlike other bridge types, this type of bridge does not possess reserve strengths beyond those ascertained analytically. An experimental procedure is given in the paper using which the ratio of dead loads in the two components of a tension chord can be readily determined. This paper also describes a procedure by which equivalence between the test and design vehicles is established, thereby providing a basis for determination of the posting loads. Key words: bridge evaluation, bridge testing, pin-connected truss, posting load, proof test, through truss, steel truss, tension chord.
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Suangga, M., and Sularno. "Comparison of Wind Load on Standard Steel Truss Bridge Based on Indonesian Bridge Loading Codes." IOP Conference Series: Earth and Environmental Science 998, no. 1 (February 1, 2022): 012016. http://dx.doi.org/10.1088/1755-1315/998/1/012016.

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Abstract The truss bridge is a type of bridge that is widely used in Indonesia because of its practicality and can be constructed in short period of time. The relatively light weight of the truss bridge structure also facilitates the transportation of superstructure materials to bridge locations located in remote areas. The dimensions of the large truss bridge and the relatively light weight cause the figure bridge to be vulnerable to wind loads. Meanwhile, the bridge loading regulations including wind load is continuing to change. Previous design code BMS 1992 and SNI T 02 2005 has been superseded with SNI 1725 2016. One of the main changes to the loading regulations is related to the magnitude and how wind loads are calculated and applied to the bridge structure. This study will compare the magnitude of the wind load in the previous loading regulations in Indonesia with the latest regulations and also with wind loading according to AASHTO on steel truss bridges. A 60-class standard steel truss bridge from the Ministry of Public Works which is used for Case Study. The results showed that there was a significant increase in wind loading by applying SNI 1725 2016 loading regulations
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Dissertations / Theses on the topic "Steel Truss Bridge"

1

Cao, Youyou. "System Redundancy Evaluation for Steel Truss Bridge." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/77389.

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In current bridge practice, all tension members in a truss bridge are identified as fracture critical members which implies that a collapse is expected to occur once a member of this type fails. However, there are several examples which show that bridges have remained standing and shown little distress even after a fracture critical member was completely damaged. Due to the high inspection cost for fracture critical members, it would be beneficial to remove fracture critical designation from some tension members. This could be achieved via considering system redundancy. Since there is no clear guidance in existing codified provisions for assessing system redundancy, this research is undertaken to develop simplified analysis techniques to evaluate system redundancy in truss bridges. The proposed system redundancy analysis in this research starts with the identification of the most critical main truss members whose failure may significantly affect the system redundancy. The system redundancy is then measured by the remaining load capacity of a damaged bridge after losing one of the critical members. The bridge load capacity is checked using 3D models with nonlinear features that can capture the progression of yielding and buckling in a bridge system. The modeling techniques are validated through the case studies of the I-35W Bridge and one test span of the Milton-Madison Bridge. Reasonable correlations are demonstrated between the models and the measured data for these two bridges both in an undamaged and in a damaged state. The feasibility of the proposed methodology for system redundancy evaluation is examined by applying the methodology blindly to two other simple truss bridges. The application shows that the proposed methodology can efficiently measure the system redundancy. To improve the system redundancy, this research also proposes sample retrofit strategies for the four example bridges.
Ph. D.
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Dickens, Loren E. III. "Structural check of a steel through truss bridge." Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/758.

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Minawi, Ailanto Daniel. "Design of a Long-Span Arch Truss Steel Bridge." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4289/.

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Akin, Tugba. "Structural Monitoring And Analysis Of Steel Truss Railroad Bridges." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614825/index.pdf.

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Railroad bridges are the most important connection parts of railroad networks. These bridges are exposed to heavier train loads compared to highway bridges as well as various detrimental ambient conditions during their life span. The railroad bridges in Turkey are mostly constructed during the late Ottoman and first periods of the Turkish Republic
therefore, they are generally close to about 100 years of age
their inspection and maintenance works are essential. Structural health monitoring (SHM) techniques are widely used around the world in order to increase the effectiveness of the inspection and maintenance works and also evaluate structural reliability. Application of SHM methods on railway bridges by static and dynamic measurements over short and long durations give important structural information about bridge members&rsquo
load level and overall bridge structure in terms of vibration frequencies, deflections, etc. Structural Reliability analysis provides further information about the safety of a structural system and becomes even more efficient when combined with the SHM studies. In this study, computer modeling and SHM techniques are used for identifying structural condition of a steel truss railroad bridge in Usak, Turkey, which is composed of six spans with 30 m length each. The first two spans of the bridge were rebuilt about 50 years ago, which had construction plans and are selected as pilot case for SHM and evaluation studies in this thesis. Natural frequencies are obtained by using 4 accelerometers and a dynamic data acquisition system (DAS). Furthermore, mid span vertical deflection member strains and bridge accelerations are obtained using a DAS permanently left on site and then compared with the computer model analyses results. SHM system is programmed for triggering by the rail load sensors developed at METU and an LVDT to collect mid span deflection high speed data from all sensors during train passage. The DAS is also programmed to collect slow speed data (once at every 15 minutes) for determination of average ambient conditions such as temperature and humidity and all bridge sensors during long term monitoring. Structural capacity and reliability indices for stress levels of bridge members are determined for the measured and simulated train loads to determine structural condition of bridge members and connections. Earthquake analyses and design checks for bridge members are also conducted within the scope of this study.
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Santos, Cody Joshua. "Dynamic Testing for a Steel Truss Bridge for the Long Term Bridge Performance Program." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/894.

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Under the direction of the Federal Highway Administration the Long Term Bridge Performance Program (LTBP) selected Minnesota Bridge number 5718 as a pilot bridge for evaluation. This program focuses on the monitoring of bridges for a 20-year period to understand the structural behavior over time due to the various loads and weathering. In monitoring this bridge a better understanding can be acquired for the maintenance issues related to the nation's deteriorating bridge infrastructure. Bridge Number 5718, which is located just outside of Sandstone Minnesota, is a steel truss bridge that spans the Kettle River. Constant monitoring of the bridge along with periodic testing of the bridge will allow for the collection of data over a 20-year period. The focus of this work is to establish a baseline for the bridges characteristics through nondestructive dynamic testing. Later tests will be compared to these results and changes can then be tracked. In order to perform the required testing, two electromagnetic shakers were used to produce the excitation. The bridge was also outfitted with an array of velocity transducers to allow for the response to be recorded. The data was then used to extract the resonant frequencies, mode shapes, and damping ratios. A modal assurance criterion was also performed to solidify the findings. These parameters define the structural identity of the bridge. Through performing these tests the database that is being collected under the Long Term Bridge Performance Program will be used to better the overall health and safety of the nation's bridges.
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Mentes, Yavuz. "Analytical and experimental assessment of steel truss bridge gusset plate connections." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42767.

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The I-35W Bridge over the Mississippi River in Minneapolis, MN had a catastrophic failure in the main span of the deck truss in 2007. This collapse has brought significant attention on the gusset plate connections in steel truss bridges throughout the U.S. Steel truss bridge gusset plate design has not received much focus in the past 40 years, and there is a lack of consensus within the design profession on the procedures to evaluate, design, and rate these critical elements. In the short term, based on the best available information on the gusset plate design, the Federal Highway Administration (FHWA) has issued preliminary guidance. Although some experimental research has been conducted on the ultimate strength of gusset plates, much of this work has been directed toward the performance of tension members and their connections. There has been limited experimental work on the compression capacity and stability of gusset plates, but most of this work is relevant primarily to bracing connections common in building structures. This research focuses on comprehensive experimental and analytical studies on steel truss bridge gusset plate behavior. The studies include comparisons of advanced analytical models with the responses from large-scale experimental tests using discrete and innovative full-field measurements. The calibrated finite element analysis models are then utilized to study a variety of gusset plate configurations. Improved mechanistic idealizations that better capture the observed behavior in the experiments and analytical studies are proposed as the result of this work. The design checks recommended in this thesis present a comprehensive methodology for determining the ultimate gusset plate resistance. This research provides a large database of original results that will be useful for future similar studies. In addition, this research provides modeling procedures that permit the study of steel truss bridge connections and their adjacent framing members using truss bridge sub-assemblies. Based on the comprehensive analytical studies, simple and accurate design calculation procedures to assess the nominal ultimate strength of steel truss gusset plate connections are recommended for steel truss bridge gusset plate connections.
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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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Hickey, Lucas James. "Model Validation for a Steel Deck Truss Bridge over the New River." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/32154.

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This thesis presents the methods utilized to model a steel deck truss bridge over the New River in Hillsville, Virginia. These methods were evaluated by comparing analytical results with data recorded from 14 members during live load testing. The research presented herein is part of a larger endeavor to understand the structural behavior and collapse mechanism of the erstwhile I-35W bridge in Minneapolis, MN. Objectives accomplished toward this end include investigation of lacing effects on built up member strain detection, live load testing of a steel truss bridge, and evaluating modeling techniques in comparison to recorded data.

Before any live load testing could be performed, it was necessary to confirm an acceptable strain gage layout for measuring member strains. The effect of riveted lacing in built-up members was investigated by constructing a two-thirds mockup of a typical bridge member. The mockup was then instrumented with strain gages and subjected to known strains in order to determine the most effective strain gage arrangement. Testing analysis concluded that for a built up member consisting of laced channels, one strain gage installed on the middle of the extreme fiber of each channelâ s flanges was sufficient. Thus, laced members on the bridge were mounted with four strain gages each.

Data from live loads were obtained by loading two trucks to 25 tons each. Trucks were positioned at eight locations on the bridge in four different relative truck positions. Data were recorded continuously and reduced to member forces for model validation comparisons. Deflections at selected truss nodes were also recorded for model validation purposes.

The model validation process began by developing four simple truss models, each reflecting different expected restraint conditions, in the hopes of bracketing data from recorded results. Models were refined to frames, and then frames including floor beams and stringers for greater accuracy. The final, most accurate model was selected and used for a failure analysis. This model showed where the minimum amount of load could be applied in order to learn about the bridgeâ s failure behavior, for a test to be conducted at a later time.
Master of Science

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Brunell, Garrett Floyd. "Functionality of a Damaged Steel Truss Bridge Strengthened with Post-Tensioned CFRP Tendons." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26559.

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This research program investigates the performance of a steel truss bridge when subjected to both localized web damage and a subsequent post-tensioned strengthening approach. The investigation utilizes a combined approach involving an experimental scale model bridge and a numerical computer model generated using the commercial finite element software RISA 3-D. The numerical model is validated using test data and further extended to parametric studies in order to investigate the theoretical load rating, strain energy, load redistribution, mode shapes and frequency of the bridge for control, damaged and strengthened states. The presence and severity of damage are found to significantly influence the global safety and reliability of the bridge. Also, higher order modes are more susceptible to changes in shape and frequency in the presence of damage. A recovery of truss deflection and a reduction of member forces are achieved by the proposed strengthening method.
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Orlando, Lorenzo. "Finite Element model calibration of a historical railway steel truss bridge by using dynamic monitoring data." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.

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This paper proposes a multidisciplinary approach, combining the terrestrial laser scanner and ambient vibration tests to characterize a historical steel truss bridge in Spain: the Vilagarcia Celosia Bridge. All methods are complemented by advanced numerical simulations and a coarse to fine calibration strategy, based on the Cotter and the non-linear least squares approaches. Results obtained corroborate the robustness of the proposed approach, with a max error in frequencies of 3.6% and an average modal assurance criterion of 0.93.
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Books on the topic "Steel Truss Bridge"

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Miller, Ann Brush. Survey of metal truss bridges in Virginia. Charlottesville, Va: Virginia Transportation Research Council, 1997.

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American School of Correspondence at Arm. Bridge Engineering: Roof Trusses; A Manual of Practical Instruction in the Calculation and Design of Steel Truss and Girder Bridges for Railroads and ... and Other Details of Mill Building Cons. Franklin Classics, 2018.

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American School of Correspondence at Arm. Bridge Engineering: Roof Trusses; A Manual of Practical Instruction in the Calculation and Design of Steel Truss and Girder Bridges for Railroads and ... and Other Details of Mill Building Cons. Franklin Classics, 2018.

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American School of Correspondence at Arm. Bridge Engineering: Roof Trusses; A Manual of Practical Instruction in the Calculation and Design of Steel Truss and Girder Bridges for Railroads and ... and Other Details of Mill Building Cons. Franklin Classics Trade Press, 2018.

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W, Roeder C., ed. Fatigue cracking of riveted steel tied arch and truss bridges. [Olympia]: Washington State Dept. of Transportation, 1998.

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DePiero, Anthony H. High cycle fatigue modeling and analysis for deck floor truss connection details. 1997.

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Book chapters on the topic "Steel Truss Bridge"

1

Farago, B. "Rehabilitation of Steel Truss Bridges in Ontario." In Bridge Evaluation, Repair and Rehabilitation, 555–66. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2153-5_40.

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Bhaganagare, Prashant. "Redundancy Analysis of Steel Truss Girder Bridge." In Techno-Societal 2018, 921–31. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-16848-3_84.

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Seibel, Wolfgang. "Intended Ignorance: The Collapse of the I-35 W Mississippi River Bridge on 1 August 2007." In Collapsing Structures and Public Mismanagement, 55–86. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-67818-0_3.

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AbstractAt 6:05 PM on 1 August 2007, the I-35 W Highway Bridge crossing the Mississippi River in Minneapolis, Minnesota, collapsed due to the failure of crucial parts of the bridge’s steel truss structure. Thirteen people died in the disaster, 145 were injured. A report of United States National Transportation Safety Board (NTSB) revealed that the Minnesota Department of Transport, over a long period of time, had ignored available information about the structurally deficient status of the bridge in anticipation of ‘budget busting’ repair costs. Which resulted in a preference for less expensive patch-up measures to improve the drivability of the bridge rather than a retrofit of the fracture-critical components of the steel truss whose failure triggered the disaster of 1 August 2007.
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Wang, Chao, Jaime Gonzalez, Gabriel Sas, Lennart Elfgren, Senlu Lu, and Yongming Tu. "Damage detection of steel truss bridge based on stacked auto-encoder." In Bridge Safety, Maintenance, Management, Life-Cycle, Resilience and Sustainability, 1994–2001. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003322641-247.

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Enkhbold, Namkhainyambuu, Purevdorj Sosorburam, and Eiki Yamaguchi. "Design of Buckling Restrained Damper for Retrofit of Steel Truss Bridge." In Lecture Notes in Civil Engineering, 941–48. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-03811-2_104.

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Xu, Liping, Qingquan Wang, and Anmin Wang. "Key Design Technologies of New Cable-Stayed and Steel Truss Composite Bridge." In Proceedings of MEACM 2020, 75–88. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67958-3_9.

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Nagatani, H., D. Yoshimoto, K. Hashimoto, Y. Kitane, and K. Sugiura. "Assessment on impact response analysis by chord member fracture of steel truss bridge." In Current Perspectives and New Directions in Mechanics, Modelling and Design of Structural Systems, 539–43. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003348443-88.

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Nagatani, H., D. Yoshimoto, K. Hashimoto, Y. Kitane, and K. Sugiura. "Assessment on impact response analysis by chord member fracture of steel truss bridge." In Current Perspectives and New Directions in Mechanics, Modelling and Design of Structural Systems, 189–90. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003348450-88.

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Xia, Zhengchun, Wangqing Wen, Aiguo Yan, Dingguo Yan, and Xiaojiang Zhang. "Design of Large-Span Steel-Truss Girder Railway Bridge Stiffened by Flexible Arch Rib." In Structural Integrity, 679–89. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29227-0_74.

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Zhao, Weihua, Ping Wang, and Yang Cao. "Simplified Algorithms for Continuous Welded Rail Design on Large-Span Steel Truss Cable-Stayed Bridge." In Proceedings of the 1st International Workshop on High-Speed and Intercity Railways, 173–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27960-7_15.

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Conference papers on the topic "Steel Truss Bridge"

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Raj, R. Pandia, and V. Kalyanaraman. "Integrated System for Steel Truss Bridge." In Structures Congress 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40889(201)215.

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Bouvet, Caroline, Thierry Delémont, and Pierre Moïa. "Lanciau Bridge – First spatial tubular truss railway bridge." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.2767.

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<p>The old Lanciau bridge, constructed in 1904, needed to be replaced by a new bridge which would allow for a continuous ballasted track.</p><p>The new bridge was designed with a view to maintaining the spirit of the old one by keeping a truss structure, while modernizing it both from the point of view of its shape (spatial triangular truss with variable height) and its sections (pipes). It took advantage of the presence of the concrete trough to connect this to the steel truss, in order to increase the rigidity of the bridge with the composite effect.</p><p>This bridge is one of the very first railway bridges made of tubular truss, which provides a pure and smooth design thanks to its compact and pure assembling nodes.</p><p>The new truss structure is really the key point of this bridge because of the tubular nodes which do not meet any standards. In particular, the fatigue resistance analysis of the 3D tubular nodes required the application of very specific documentation and results from PhD’s, as well as the use of volume finite element computations.</p><p>The new Lanciau bridge is now ready to service MOB panoramic trains, and to continue the tradition of Swiss alpine steel railway bridges.</p>
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Olmati, P., F. Brando, and K. Gkoumas. "Robustness Assessment of a Steel Truss Bridge." In Structures Congress 2013. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412848.023.

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Zobel, Henryk Ludwik, Thakaa Al-Khafaji, Marcin Wróbel, Piotr Zóltowski, Bartlomiej Papis, and Pawel Sulik. "Application of Synthetic Wood Sleepers on Double Deck Steel Truss Bridge." In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.1070.

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<p>The problem of bridge fire is growing. Because of bad experience in Warsaw, Poland local government decided to prove fire resistance of all bridge structures across Vistula river which pass through the city. One of such bridges is six spans continuous truss – 400 m long - with double deck: upper is concrete highway deck and lower is timber tramway deck. Possibility of occurrence of fire on tramway bridge with timber deck inclined the owner of the bridge to exchange whole deck and sleepers in particular. Because the load capacity of the bridge was drew out it was not possible to apply steel or concrete sleepers. Therefore the owner decided to fit up synthetic wood sleepers. To be sure that this kind of sleepers mounted on the bridge is safe special research program was introduced. The results of investigation proofed good structural material properties and good fire resistance of sleepers. Proposal of new structural solution of the bridge is also given.</p>
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Borjigin, Sudanna, Kai-Chun Chang, Norihiko Ogura, and Tomoki Shiotani. "Numerical Examination in Bridge Responses due to Fracture of Truss Member in a Steel Truss Bridge under Vehicle Loadings." In IABSE Congress, Nanjing 2022: Bridges and Structures: Connection, Integration and Harmonisation. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/nanjing.2022.1442.

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<p>This study investigated the bridge responses and modal parameters of a steel truss bridge based on FE analysis considering vehicle loadings and aimed to propose an adjustable damage scenario for a loading test on the target bridge. The idea of this study is that the modal parameters and stress distribution identified under assumed damage scenario can provide useful information to decide artificial truss member cut-off patterns and to ensure the bridge safety in the vehicle loading tests. A three-dimensional FE model is constructed using commercial FE analysis software suite for calculating modal parameters (natural frequencies and mode shapes) and maximum internal member force of the bridges. The eigenvalue analysis and static loading analysis were conducted with intact bridge and damaged bridge whose member fracture is simulated by removing one vertical, diagonal member, or two vertical members, in order to find the most severe condition for cutting locations where largest axial force occurs. Results show that variation in modal frequency and mode shape due to different damage scenario are conspicuous. Effect of cut-off pattern changes of damage scenarios are observable by comparing the analysis results between intact and damaged bridge. Finally, two vertical steel members are determined to be cut off in the field loading test.</p>
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Kaneda, Takao, Masahiro Nishitani, Kazuo Endo, and Hiroki Murakami. "Seismic retrofit of a truss bridge in Seto-Ohashi bridges." In IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.0125.

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<p>This paper reports that isolation rubber bearings were newly installed instead of existing steel bearings as seismic retrofit in a truss portion of the Hitsuishijima viaduct in the Seto-Ohashi Bridges, which is unprecedented method for highway-railway combined bridges in Japan. For the truss bridge, seismic performance evaluation was conducted and it was found that some members were damaged. In order to minimize retrofit work over the railway tracks, the isolation of truss girder was selected. For the truss girder isolation, the constraining effect of the long rail and the running safety of the train were studied. In the retrofit work, in order to minimize the impact on the expressway, railway tracks, and utility facilities, the structural change of the isolation rubber bearings and the displacement of truss girder caused by jacking up had to be studied. The support structure was adopted with a knock-off mechanism, and the effects of jacking up were confirmed by FEM analysis.</p>
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Wilson, Ian, Martin Hooton, Solene Fercocq, Ben Addy, and Ezra Groskin. "Esperance Bridge – An Innovative Take on a Truss Bridge." In Footbridge 2022 (Madrid): Creating Experience. Madrid, Spain: Asociación Española de Ingeniería Estructural, 2022. http://dx.doi.org/10.24904/footbridge2022.272.

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<p>The Esperance Bridge crosses the Regents Canal in Central London and was opened in the summer of 2021. It is an innovative take on a traditional warren truss bridge that uses tapering and folded steel plates to create an elegant and sculptural form at this popular section of the canal. The bold pomegranate red carbon steel plates set against the diagonal stainless steel tension ties illustrate the structural behaviour of the Warren truss, where struts act in either compression or tension.</p><p>The bridge is the final of three canal crossings in the heart of the landmark Kings Cross Development, developed by Argent. The bridge completes a new pedestrian route through the development and crucially provides greater connectivity to the shopping destinations at Coal Drops Yard. The pedestrian bridge compliments the Victorian heritage of the canal environment while providing a viewing platform and enclosure to the adjacent Ghat Steps, which is a popular public event and leisure space.</p><p>In addressing the conference themes, the paper focuses on the user experience and how the context of the bridge fits within a wider pedestrian network. The design, fabrication and construction of the bridge is also discussed.</p>
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Haohui, Xin, Liu Yuqing, Zheng Shuangjie, and Ma Biao. "Creep and Shrinkage Analysis of Composite Truss Bridge with Double Decks." In 10th Pacific Structural Steel Conference (PSSC 2013). Singapore: Research Publishing Services, 2013. http://dx.doi.org/10.3850/978-981-07-7137-9_022.

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Liu, Bingfei, Qingtian Su, Dongxu Li, and Minggu Ouyang. "Analysis on Mechanical Performance of Rail-Cum-Road Double Deck Steel Truss-Arch Composite System Bridge." In IABSE Congress, Nanjing 2022: Bridges and Structures: Connection, Integration and Harmonisation. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/nanjing.2022.0320.

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<p>In order to research the mechanical performance of rail-cum-road double deck steel truss-arch composite system bridge, a rail-cum-road double deck steel truss-arch composite system bridge with 150m main span was analyzed. The overall spatial model of the bridge was established by using the general finite element software, and the structural response under dead load, vehicle load, rail transit load and temperature was calculated and analyzed. Dead load is the main factor causing the internal force of long-span composite system bridge. The stiffness of steel arch rib and steel truss is only 13.5% and 24% of the composite system, so the steel truss-arch composite system bridge has greater overall structural stiffness. In terms of dynamic characteristics, the overall stiffness of steel truss arch composite system bridge is great, the first five natural frequencies are all between 0.3Hz and 1.5Hz, and there is the possibility of simultaneous multi-mode excitation.</p>
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FENG, YAWEI, YAPENG GUO, YI ZHUO, HAO DI, JIANFENG WEI, and SHUNLONG LI. "INTELLIGENT IDENTIFICATION OF RIVET CORROSION ON STEEL TRUSS BRIDGE BY SINGLE-STAGE DETECTION NETWORK." In Structural Health Monitoring 2021. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/shm2021/36254.

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Rivet corrosion, which is a common disease of steel truss bridges, directly reflects the safety status of steel structures. The identification of rivet corrosion is critical to ensure the normal service of steel truss bridges. In practical engineering, the main detection method of rivet corrosion is manual visual inspection. However, this method has low efficiency and poses a threat to the personal safety. To address this issue, an intelligent identification method for rivet corrosion on steel truss bridges by a single shot detector (SSD) is proposed after obtaining the panoramic image of the bridge. The sub-images cut from the panoramic image are as the network’s input. Considering the small size of bridge rivets and low precision of small object detection of SSD, this study divides the panoramic image into sub-images of 100 × 100 pixels, and then uses bilinear interpolation to resize the sub-images into 300 × 300 pixels. To improve the robustness of the detection model, gaussian noise, random rotation and roll-over tricks are applied to the original dataset. The expanded dataset includes 600 labelling images, which is divided into training set (80%) and testing set (20%), including corroded rivets and normal rivets. The network is trained with transfer learning technique for 12000 iterations, with cross entropy loss for classification and smooth L1 loss for location. The confidence threshold in network inference is set to 0.6 considering the rivet space distribution to reduce false positives of corroded rivets. The qualitative and quantitative testing results show the accuracy of the proposed approach.
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Reports on the topic "Steel Truss Bridge"

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Higgins, Christopher. Experimental Tests and Numerical Analyses of Steel Truss Bridge Gusset Connections. Portland State University Library, November 2012. http://dx.doi.org/10.15760/trec.76.

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Han, Fei, Monica Prezzi, Rodrigo Salgado, Mehdi Marashi, Timothy Wells, and Mir Zaheer. Verification of Bridge Foundation Design Assumptions and Calculations. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317084.

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The Sagamore Parkway Bridge consists of twin parallel bridges over the Wabash River in Lafayette, IN. The old steel-truss eastbound bridge was demolished in November 2016 and replaced by a new seven-span concrete bridge. The new bridge consists of two end-bents (bent 1 and bent 8) and six interior piers (pier 2 to pier 7) that are founded on closed-ended and open-ended driven pipe piles, respectively. During bridge construction, one of the bridge piers (pier 7) and its foundation elements were selected for instrumentation for monitoring the long-term response of the bridge to dead and live loads. The main goals of the project were (1) to compare the design bridge loads (dead and live loads) with the actual measured loads and (2) to study the transfer of the superstructure loads to the foundation and the load distribution among the piles in the group. This report presents in detail the site investigation data, the instrumentation schemes used for load and settlement measurements, and the response of the bridge pier and its foundation to dead and live loads at different stages during and after bridge construction. The measurement results include the load-settlement curves of the bridge pier and the piles supporting it, the load transferred from the bridge pier to its foundation, the bearing capacity of the pile cap, the load eccentricity, and the distribution of loads within the pier’s cross section and among the individual piles in the group. The measured dead and live loads are compared with those estimated in bridge design.
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Malone, Brian, Mark Heffron, and J. Ramirez. Analysis and Load Testing of Two Steel Through Truss Bridges in Indiana. West Lafayette, IN: Purdue University, 1996. http://dx.doi.org/10.5703/1288284313146.

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FRP Deck - Rehabilitation of a Steel Truss Bridge. Purdue University, 2007. http://dx.doi.org/10.5703/1288284315720.

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