Finite element numerical simulation of a <scp>cable‐stayed</scp> bridge construction through the progressive cantilever method

Hoffman, Igor Souza; Lazzari, Bruna Manica; Filho, Américo Campos; Lazzari, Paula Manica; Pacheco, Alexandre Rodrigues

doi:10.1002/suco.202100662

Cited by 11 publications

(2 citation statements)

References 13 publications

(17 reference statements)

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“…There are some studies of numerical simulation of concrete performance by finite element method (FEM) [34][35][36] and XFEM. 37,38 The essential idea of XFEM is to characterize the discontinuous displacement field (crack and crack growth) independent of the finite element mesh by adding enrichment functions to conventional FEM.…”

Section: Extended Finite Element Methodsmentioning

confidence: 99%

A study on the optimal use of soundless cracking demolition agents in fragmentations of concrete based on the extended finite element method

Zhong

Zhang

Yang

et al. 2022

Structural Concrete

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Soundless cracking technique has been widely applied in the demolition of rock and concrete structures because of its cleaner advantages compared with conventional explosive methods. However, the correlations between fracturing processes and characteristics of soundless cracking demolition agents (SCDAs) and the optimal use of SCDA in improving the efficiency of demolition are still poorly documented. In this concern, this study develops a reliable numerical model verified by experimental data to investigate the optimal use of SCDA in fragmentations of concrete based on the extended finite element method. The simulated results reveal that the minimum hole diameter is 26 mm required to break the concrete cube of 150 mm, and the crack process can be divided into three phases of initiation, propagation, and coalescence according to the energy release rate. Moreover, the proposed method is employed in simulating the crack process of meter-scale concrete blocks with two predrilled holes, and the optimal hole spacing of 350 mm is then determined. This study provides some insights for improving the efficiency of SCDA in the field applications.

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Section: Extended Finite Element Methodsmentioning

confidence: 99%

A study on the optimal use of soundless cracking demolition agents in fragmentations of concrete based on the extended finite element method

Zhong

Zhang

Yang

et al. 2022

Structural Concrete

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“…Case studies have shown the beneficial influence of numerical research on concrete bridges, leading to safer, more resilient, and long-lasting structures [12]. Researchers have conducted numerous case studies to solve a wide range of problems, such as a novel non-linear analysis model created to examine the effects of creep and shrinkage on long-span prestressed concrete box girder bridges [13], the construction of a prestressed concrete cable-stayed bridge by employing the progressive cantilever method in FEM [14], a shell model for the load-carrying capacity of prestressed concrete bridges under shear and torsion [15], and a new FEM for analyzing the structural behavior of fiber-reinforced polymer (FRP)-strengthened steel-reinforced concrete (RC) beams under cyclic loading using FEM [16].…”

Section: Introductionmentioning

confidence: 99%

Shell-Based Finite Element Modeling of Herøysund Bridge in Norway

Singh,

Azad,

Nicoletti

2023

Modelling

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This paper thoroughly examines the application of the Finite Element Method (FEM) to the numerical modal analysis of Herøysund Bridge, focusing on the theoretical backdrop, the construction process, and FEM techniques. This work examines the specific applied FEM approaches and their advantages and disadvantages. This Herøysund Bridge analysis employs a two-pronged strategy consisting of a 3D–solid model and a shell model. To forecast the physical behavior of a structure, assumptions, modeling methodologies, and the incorporation of specific components such as pillars are applied to both approaches. This research also emphasizes the importance of boundary conditions, examining the structural effects of standard Earth gravity, a post-tensioned load, and a railing and asphalt load. The Results section thoroughly explores the mode shapes and frequencies of the 3D–solid and shell models. The conclusion of this work includes findings obtained from the study, implications for Herøysund Bridge, and a comparison of both modeling strategies. It also incorporates ideas for future research and guides employing FEM 3D–solid and shell methods to design and construct more efficient, resilient, and durable bridge structures.

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Study via the finite element method of the behavior of deck joints in a bridge composed of precast concrete segments

Possamai Spessatto,

Campos Filho,

Manica Lazzari

et al. 2024

Structural Concrete

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There is a demand for research to better understand the structural performance of segmental bridge joints. In this context, the main objective of this work is to present a 3D numerical modeling using the Finite Element Method (FEM) to physically simulate the behavior of concrete joints in a segmental concrete bridge. The analysis was conducted using the design of a real bridge, and the structure studied was the main span of the New Guaíba Bridge, located in Porto Alegre, RS, Brazil. The modeling was implemented using ANSYS software, version 21.2. The simulation considers a complete model of the span to provide a more realistic determination of the joint openings and the stress distributions in the elements. It is crucial to emphasize that the results obtained from the model do not reproduce the observed behavior of the studied bridge. The analysis considered only one span with simplified boundary conditions and higher loads than those typically adopted in usual design procedures.

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Finite element numerical simulation of a cable‐stayed bridge construction through the progressive cantilever method

Cited by 11 publications

References 13 publications

A study on the optimal use of soundless cracking demolition agents in fragmentations of concrete based on the extended finite element method

A study on the optimal use of soundless cracking demolition agents in fragmentations of concrete based on the extended finite element method

Shell-Based Finite Element Modeling of Herøysund Bridge in Norway

Study via the finite element method of the behavior of deck joints in a bridge composed of precast concrete segments

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