Behavior of Reinforced Concrete Structures under Extreme Conditions

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

Deadline for manuscript submissions: 25 June 2024 | Viewed by 1531

Special Issue Editors


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Guest Editor
College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150009, China
Interests: structural fire engineering; fire safety design; dynamic performance of reactive powder concrete; seismic performance of concrete; durability of concrete in corrosive environments

E-Mail Website
Guest Editor
1. Key Lab of Structures Dynamic Behavior and Control, Ministry of Education, Harbin Institute of Technology, Harbin 150090, China
2. Key Lab of the Smart Prevention and Mitigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150090, China
Interests: structural fire engineering; fire safety design; dynamic performance of reactive powder concrete; blast resistance design
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Special Issue Information

Dear Colleagues,

We are delighted to announce a Special Issue on the topic of "Behavior of Reinforced Concrete Structures under Extreme Conditions". The response of concrete structures to extreme environmental factors, such as fire, earthquakes, and corrosive environments, is of paramount importance in ensuring the safety, durability, and resilience of infrastructure. This Special Issue aims to bring together the latest advancements in understanding and mitigating the effects of extreme environmental conditions on concrete behaviour. Concrete structures face significant challenges when exposed to fire incidents. The high temperatures experienced during fires can cause thermal degradation, spalling, leading to the development of internal cracks and reduced structural integrity. Earthquakes pose another critical threat to concrete structures, subjecting them to dynamic loads and vibrations. Furthermore, the effects of corrosive environments on concrete cannot be overlooked. Aggressive chemicals and corrosive agents, such as chlorides, sulphates, and acids, can penetrate concrete structures, leading to degradation and weakening over time. Manuscripts addressing innovative strategies to enhance the performance of concrete in such catastrophic conditions are highly encouraged.

We invite manuscripts that delve into experimental investigations, numerical modelling, and innovative techniques focused on enhancing the performance resistance of concrete and mitigating its vulnerability to extreme conditions of fire, earthquake, and corrosion.

This Special Issue provides a platform for sharing research findings, case studies, and practical solutions related to the behaviour of concrete under extreme environmental conditions. We seek contributions that address a range of topics, including but not limited to:

  • Fire resistance of concrete
  • Fire-induced spalling of concrete structures
  • Seismic performance of concrete
  • Nonlinear behaviour of concrete under seismic loads
  • Corrosion and deterioration mechanisms in concrete
  • Innovative materials for enhanced fire and corrosion resistance
  • Fire protection strategies for concrete structures
  • Retrofitting techniques for improving the seismic resilience of concrete structures
  • Durability of concrete in corrosive environments
  • Self-healing concrete for increased durability
  • Case studies on successful applications and practical solutions

Dr. Muhammad Abid
Prof. Dr. Xiaomeng Hou
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.

Keywords

  • concrete behaviour
  • fire resistance
  • fire-induced spalling
  • seismic performance
  • seismic design
  • corrosion and deterioration
  • real case studies

Published Papers (1 paper)

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Research

19 pages, 6923 KiB  
Article
Seismic Performance of Reinforced Concrete Frames with Added Floors: Emphasizing the Influence of Structural Joints in the Context of Sustainable Vertical Extensions
by Alush Shala and Jelena Bleiziffer
Buildings 2024, 14(2), 370; https://doi.org/10.3390/buildings14020370 - 30 Jan 2024
Viewed by 1066
Abstract
The size of the population and the need for residential spaces are increasing. One possible solution is to add new floors to existing buildings. This research examines the seismic behavior of reinforced concrete frame structures that have undergone vertical extensions by adding extra [...] Read more.
The size of the population and the need for residential spaces are increasing. One possible solution is to add new floors to existing buildings. This research examines the seismic behavior of reinforced concrete frame structures that have undergone vertical extensions by adding extra floors. The primary focus is on the joints that connect these extensions to the existing structure and the appropriate modeling of these joints. However, adding floors to existing structures might be structurally challenging, especially in terms of the behavior under seismic actions. This paper presents a numerical study of a reinforced concrete frame in an old building to which new floors are subsequently added. The analysis shows that the frame does not behave as a whole with the old part of the structure, nor does it behave the same as if it were made with rigid joints compared to additional ones connected using hinge joints. It is noted that in structural analyses, the connection between an existing structure and a vertical extension is often considered rigid, yet in practice, these joints may behave differently. The change from the corner (knee) joint to the external joint has its own effect on the distribution of internal forces in the structure as a whole and in the joint in particular. Compared to demolishing and rebuilding, vertical extension is considered environmentally friendly, reducing the financial costs, environmental pollution, and waste generation. Full article
(This article belongs to the Special Issue Behavior of Reinforced Concrete Structures under Extreme Conditions)
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