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Buildings
Special Issues
Fire Science and Safety of Bridge Structure
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Fire Science and Safety of Bridge Structure

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 6759

Special Issue Editors

Prof. Dr. Gang Zhang

E-Mail Website
Guest Editor
School of Highway, Chang'an University, Xi'an 710064, China
Interests: prestressed polypropylene concrete; structural evaluation; nonlinear analysis; fire resistance; fire safety; fire science; bridge engineering; steel bridge
Prof. Dr. Xiaomeng Hou

E-Mail Website
Guest Editor
Key Lab of Structures Dynamic Behavior and Control, Harbin Institute of Technology, Ministry of Education, Harbin 150090, China
Interests: structural fire engineering; fire safety design; dynamic performance of reactive powder concrete; blast resistance design
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Huanting Zhou

E-Mail Website
Guest Editor
School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430072, China
Interests: fire; structural safety; steel beam; fire resistance

Special Issue Information

Dear colleagues,

Fire loadings present a severe threat to the safety and durability of bridge structures. A severe, explosive fire can lead to the damage and failure of local components or even the complete collapse of the bridge along with nearby buildings. Thus, this can result in injuries, serious economic and property losses and even the loss of life.

To ensure the safety of bridge structures throughout their lifecycle, it is necessary to implement reliable design strategies, construction measures, comprehensive protection techniques and early pre-warning and monitoring methods to detect extreme fire loadings. Therefore, new structures and high-performance materials, together with intelligent safety methods and innovative protective techniques, must be developed to prevent fire loadings. The topics of this Special Issue will include extreme fire loading effects, new structures and materials, intelligent safety methods and innovative protective techniques used in bridge structures, along with other related buildings.

More examples of Special Issues of Buildings can be found at:

https://www.mdpi.com/journal/buildings/special_issues

Prof. Dr. Gang Zhang
Prof. Dr. Xiaomeng Hou
Prof. Dr. Huanting Zhou
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (4 papers)

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Research

24 pages, 11826 KiB  
Article
Temperature Response of Double-Layer Steel Truss Bridge Girders
by Shichao Wang, Gang Zhang, Jie Li, Yubo Wang and Bohao Chen
Buildings 2023, 13(11), 2889; https://doi.org/10.3390/buildings13112889 - 19 Nov 2023
Viewed by 837
Abstract
Double-layer steel truss continuous girders are prone to significant temperature stress, deviation, torsion, and warping, thus causing adverse temperature structural responses, and also affecting the safety and durability of bridge structures. This paper presents an investigation on time-dependent characteristics in the temperature field [...] Read more.
Double-layer steel truss continuous girders are prone to significant temperature stress, deviation, torsion, and warping, thus causing adverse temperature structural responses, and also affecting the safety and durability of bridge structures. This paper presents an investigation on time-dependent characteristics in the temperature field and temperature response of double-layer steel truss continuous bridge girders, fully considering the shielding effect subjected to different solar radiation angles during the high-temperature season. The time-dependent thermal boundary conditions and support conditions provided for the steel truss bridge structure were determined. Subsequently, a thermal analysis model for the entire structure of double-layer steel truss continuous girders was established to attain the temperature distribution law. The research results show that significant differences occur in the position and temperature difference of temperature gradients exhibited in the vertical, horizontal, and longitudinal directions in the double-layer steel truss bridge structure. The temperature distribution pattern within the chord section is mainly influenced by the environmental temperature and solar radiation intensity, along with the heat exchange between different panels. Thereafter, a validated temperature gradient formula for the component section has been proposed. The time-dependent laws in structural displacement, stress, and rotation angle under daily temperature cycling conditions have been revealed, thereby providing a theoretical basis for the life cycle construction and safety maintenance of double-layer steel truss structure bridges. Full article
(This article belongs to the Special Issue Fire Science and Safety of Bridge Structure)
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26 pages, 14063 KiB  
Article
Fire Resistance of Reinforced Concrete T-Beams with Circular Web Openings
by Xianhong Jin, Yuye Xu, Wenjun Zhu and Dashan Zhang
Buildings 2023, 13(2), 436; https://doi.org/10.3390/buildings13020436 - 04 Feb 2023
Viewed by 1224
Abstract
The flexural performances of a solid reinforced concrete (RC) T-beam and three RC T-beams with circular openings subjected to the ISO-834 standard fire were experimentally studied. The failure mode, fire resistance, time-deflection curve, and mid-span deflection recovery of the RC T-beams were analyzed [...] Read more.
The flexural performances of a solid reinforced concrete (RC) T-beam and three RC T-beams with circular openings subjected to the ISO-834 standard fire were experimentally studied. The failure mode, fire resistance, time-deflection curve, and mid-span deflection recovery of the RC T-beams were analyzed by considering the factors such as the bottom chord depth and the stirrup status (refers to whether the stirrups were cut off when drilling). The results showed that the fire resistance of the RC T-beam with a 220 mm bottom chord was almost the same as that of the solid beam and both failed in ductile modes; however, the fire resistance of the RC T-beam with a 100 mm bottom chord was 18.9% lower than that of the solid beam and failed in a brittle mode. Whether the stirrups of the pure bending section were cut off when drilling had little effect on the fire resistance of the RC T-beam. Numerical simulations were also validated to study the mechanical properties influenced by the bottom chord depth. Finally, a simplified method of high precision was proposed to deduce flexural capacities of RC T-beams with circular openings under fire. Full article
(This article belongs to the Special Issue Fire Science and Safety of Bridge Structure)
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16 pages, 5497 KiB  
Article
Experimental Study on Fire Resistance of Concrete Beams Made with Iron Tailings Sand
by Yunlong Zhou, Zhinian Yang, Zhiguo You, Xingguo Wang, Kaijiang Chen, Boyu Guo and Kai Wu
Buildings 2022, 12(11), 1816; https://doi.org/10.3390/buildings12111816 - 28 Oct 2022
Cited by 5 | Viewed by 1900
Abstract
In order to measure the effect of iron tailings sand replacing natural sand on the fire resistance of concrete beams, five full-scale iron tailings sand concrete (ITSC) beams and two natural sand concrete (NSC) beams were conducted to fire testing under dead load [...] Read more.
In order to measure the effect of iron tailings sand replacing natural sand on the fire resistance of concrete beams, five full-scale iron tailings sand concrete (ITSC) beams and two natural sand concrete (NSC) beams were conducted to fire testing under dead load and rising temperature conditions. The section temperature field, mid-span displacement, failure form, and fire resistance limit of ITSC beams under fire were analyzed. The main influence factors included different ISTC strengths (C30 and C40) and constraints. The analysis results were compared with those of NSC beams. The results show that the complete replacement of natural sand with iron tailings sand had little influence on the temperature field of concrete and reinforcement in simply supported beams and continuous beams under fire. The fire endurance of the ITSC simply supported beams was similar to that of NSC simply supported beams. When exposed to fire, the higher the strength of the ITSC, the better the fire resistance of the beam. The fire endurance of continuous beams was higher than that of simply supported beams. On the basis of the analysis of the fire resistance performance, it was found that iron tailings sand can replace natural sand to formulate concrete beams. Full article
(This article belongs to the Special Issue Fire Science and Safety of Bridge Structure)
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14 pages, 5476 KiB  
Article
Study on the Effects of Innovative Curing Combinations on the Early Temperature Field of Concrete Box Girders
by Yong Zeng, Xueqin Li, Dong Jiang and Jiuhong Ran
Buildings 2022, 12(11), 1808; https://doi.org/10.3390/buildings12111808 - 28 Oct 2022
Cited by 1 | Viewed by 1143
Abstract
Box girder bridges are often subject to cracking due to wet temperature changes caused by the heat of hydration in the early stages; however, current studies do not provide an effective method for considering this effect. The reasonable temperature control of concrete box [...] Read more.
Box girder bridges are often subject to cracking due to wet temperature changes caused by the heat of hydration in the early stages; however, current studies do not provide an effective method for considering this effect. The reasonable temperature control of concrete box girders can prevent early concrete cracking and ensure concrete quality, but box girder temperature control becomes an important focus in construction. To fill this gap, a two-dimensional temperature field study was carried out for a large-span box bridge by the finite element method. The advantages and disadvantages of the two innovative combination curing methods and the early curing effects on the construction of a box girder in summer were investigated and analyzed based on the temperature field of the box girder under different curing methods, the time–history curves of the temperature at each key node of the box girder, and the time–history curves of the temperature difference between the inside and outside of the box girder. The research results show that the mold paste and automatic water spray method (Combination B method) is more suitable for the early curing of box girders in summer. Full article
(This article belongs to the Special Issue Fire Science and Safety of Bridge Structure)
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