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Composite Materials for Bridge Engineering Applications: Experiences and Future Studies

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A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 2167

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Special Issue Editors

Dr. Izabela Joanna Drygała

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Guest Editor

Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
Interests: structures; mechanics and construction; dynamic of structures; nonlinear finite element analysis; seismic performance of bridges and footbridges; human-induced vibrations of footbridges; structural health monitoring (SHM) systems
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Dr. Nicola Nisticò

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Department of Structural and Geotechnical Engineering, Sapienza University of Rome, Via Eudossiana, 18, 00184 Roma, RM, Italy
Interests: seismic assessment; design and retrofitting; FRP materials
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Mr. Marco Damiani

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Assistant Guest Editor

Department of Structural and Geotechnical Engineering, Sapienza University of Rome, Via Eudossiana, 18, 00184 Roma, RM, Italy
Interests: FRP composite materials; structure and mechanical characterization of FRP materials

Special Issue Information

Dear Colleagues,

Composite materials were and still are extensively used for strengthening and retrofitting structure life-cycle prolongation. It was stated and confirmed that this usage was successful, especially for the heritage of monumental structures. Hence, the motivation for their application toward replacing parts of existing structures and realizing new ones is reasonable and becomes more and more expected, especially in bridge engineering. However, composite material bridges are currently built in various limited situations, mainly as footbridges of different possible designs. Notwithstanding the enormous efforts of academic researchers and industry, new research and results for potential applications of composite materials for bridge engineering are needed. This Special Issue plans to overview the most recent advances in composite materials and their applications in bridge engineering. The Special Issue will also provide the synthesis of potential calculation procedures that will support the designed process of future composite materials structures.

Potential topics include, but are not limited to, the following:

Reinforcement of existing bridge structures by composite materials;
Composite materials as structural tissue of new bridges;
Vibration serviceability of composite materials footbridges;
Structural health monitoring of composite materials bridges;
Proposals of new calculation procedures for composite materials bridges.

Dr. Izabela Joanna Drygała
Dr. Nicola Nisticò
Mr. Marco Damiani
Guest Editors

Manuscript Submission Information

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Keywords

composite structures
composite material beam/plate/shell
fiber-reinforced composites
numerical solution
dynamic analysis of composites
composite material footbridges
composite material bridges
dynamic characteristics of bridges and footbridges
structural health monitoring of composite materials bridges
reinforcement of existing bridge structures by composite materials
vibration serviceability of composite materials footbridges

Published Papers (2 papers)

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Research

21 pages, 9909 KiB

Open AccessArticle

Study on Mechanical Behavior of Hollow-Core Slab Bridge with Pinned Reinforcement

by Jihao Chen, Xin Li and Qian Zhu

Materials 2023, 16(14), 4949; https://doi.org/10.3390/ma16144949 - 11 Jul 2023

Viewed by 968

Abstract

Joints connect prefabricated hollow-core slabs, the key elements of force transmission of hollow-core slab bridges. The joints are easily damaged, which affects the integrity and safety of the hollow-core slab bridge. This paper uses MIDAS FEA NX finite element analysis software to simulate the deep hinge joint segment model, comparing and analyzing the finite element simulation analysis results with the test results, and proposes the critical parameters of the hinge joint interface and concrete damage plasticity. Further, an assembled hollow slab bridge model is established to compare and analyze the force transfer performance of conventional and pinned reinforcement bridges and reveal the deep joint damage evolution process. The results showed that the hollow slab bridge damage appeared first at the hinge joint interface at the load location. Cracks in the joints can develop along the longitudinal and height directions, with the longitudinal crack length reaching 40% of the span. The vertical crack height can get the lower edge of the paving layer, increasing the distance from the load position, and the cracking height decreases symmetrically. Under an ultimate load, the hinge concrete of conventional reinforcement and pinned reinforcement hollow-core slab bridges showed significant damage in 30–70% and 40–60% of the span, respectively. Compared with the conventional reinforcement bridges, the cracking load and ultimate load of the pinned reinforcement bridges increase by 28.57% and 58.14%, respectively, and the relative deflection under 420 kN load reduces by 97.95%. The hollow slab bridges have improved the force performance and thus enhanced the integrity of the hollow-core slab bridges. Full article

(This article belongs to the Special Issue Composite Materials for Bridge Engineering Applications: Experiences and Future Studies)

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22 pages, 11848 KiB

Open AccessArticle

Study on Load Transfer Mechanism of Local Curved Prestressed Hollow-Core Slab Bridge

by Jihao Chen, Yuxin Wang and Qian Zhu

Materials 2023, 16(13), 4708; https://doi.org/10.3390/ma16134708 - 29 Jun 2023

Cited by 1 | Viewed by 692

Abstract

The assembled hollow-core slab bridge is the most widely used beam bridge in China. With the increasing traffic volume and traffic load in China, the joints of the hollow-core slab bridge are prone to damage. In this paper, a hollow-core slab bridge with locally curved prestressed tendons is proposed. Based on the static load test of a beam with joints taken from the cross section of a hollow-core slab bridge in practical engineering, a finite element nonlinear analysis is used to simulate the test, and the concrete and interface parameters under the correct analysis results are obtained. Finally, the parameters are applied to the three-beam and two-joint hollow-core slab bridge with a span of 10 m and a finite element analysis is carried out to explore the total failure process and performance improvement effect of the prestressed hollow-core slab bridge. The results show that the interface unit method can successfully simulate the new-to-old concrete interface where the joint is in contact with the precast beam segment. Compared with the static load test results, the analysis error of each finite element model is basically within 15%. Compared with the traditional hollow-core slab bridge, the cracking load, through-joint load, and ultimate load of the prestressed hollow-core slab bridge are increased by 50.0%, 91.7%, and 66.7%, respectively. Under the same load, the stress of the U-bar, the relative deflection of both sides of the joint, and the maximum width of the joint of the prestressed hollow-core slab bridge are lower than those of the traditional hollow-core slab bridge. When the ultimate load is reached, the longitudinal crack lengths of the traditional hollow-core slab bridge and the prestressed hollow-core slab bridge are 0.48 L and 0.4 L, respectively, and the damage degree of the prestressed hollow-core slab bridge is lower than that of the traditional hollow-core slab bridge. Full article

(This article belongs to the Special Issue Composite Materials for Bridge Engineering Applications: Experiences and Future Studies)

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