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Buildings
Special Issues
Seismic and Durability Evaluation of Concrete Structures
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Seismic and Durability Evaluation of Concrete Structures

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

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 9537

Special Issue Editors

Dr. Ray Kai Leung Su

E-Mail Website
Guest Editor
Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, China
Interests: concrete buildings; structural inspection; low carbon; earthquake resistance; corrosion resistance; resilience and durability
Special Issues, Collections and Topics in MDPI journals
Dr. Daniel Looi Ting Wee

E-Mail Website
Guest Editor
Faculty of Engineering, Computing and Science, Swinburne University of Technology (Sarawak Campus), Kuching, Malaysia
Interests: seismic engineering; concrete structures; modular building; fastening technologies

Special Issue Information

Dear Colleagues,

Reinforced concrete is predominantly used as construction material for building structures. The seismic design of concrete structures has been studied by many researchers and the design philosophy put into design codes. However, seismic performance evaluation of existing concrete buildings, particularly structural forms that are not encouraged in higher seismic regions (e.g., buildings with transfer structures), and new construction technologies (e.g., precast and modular concrete buildings) present challenges to structural engineers. Furthermore, given the nature of using steel as the reinforcement in concrete structures, long-term durability issues, such as corrosion that leads to cover spalling in these buildings due to extreme climate change, could degrade the structural performance of the structure (more so in conjunction with extreme events such as seismic action).

The aim of this Special Issue is to collect and disseminate the latest research in the fields of seismic and durability evaluation of concrete structures from world-leading researchers and engineers. Contributions related to numerical modeling, seismic assessment, seismic design codes, experimental testing, rehabilitation of structures, and corrosion damage studies of concrete structures are most welcome.

Dr. Ray Kai Leung Su
Dr. Daniel Looi Ting Wee
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 semimonthly 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

  • seismic engineering
  • durability
  • corrosion
  • reinforced concrete
  • structural evaluation

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

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21 pages, 6091 KiB  
Article
Modelling of CFRP-Strengthened RC Shear Walls with a Focus on End-Anchor Effects
by Vahid Sadeghian, Said Ali Said and David Lau
Buildings 2023, 13(3), 747; https://doi.org/10.3390/buildings13030747 - 13 Mar 2023
Cited by 2 | Viewed by 2481
Abstract
This study first provides an overview of the development of a novel tube anchor system for the seismic strengthening or repair of reinforced concrete (RC) shear walls with carbon fibre-reinforced polymer (CFRP) sheets. The new anchor system can significantly improve the load transfer [...] Read more.
This study first provides an overview of the development of a novel tube anchor system for the seismic strengthening or repair of reinforced concrete (RC) shear walls with carbon fibre-reinforced polymer (CFRP) sheets. The new anchor system can significantly improve the load transfer mechanism between the CFRP and supporting RC structural elements, resulting in ductile behaviour of the strengthened shear walls with increases of lateral load capacity and ductility by up to 2.6 and 8.3 times, respectively. The study then presents a new finite element modelling technique capable of capturing the complete cyclic response, i.e., from the elastic behaviour to the ultimate collapse of CFRP-strengthened RC shear walls with the newly developed tube anchor system. Two different modelling approaches are proposed to consider the effects of the tube anchor system. Additionally, other important CFRP- and RC-related mechanisms, including CFRP debonding effects, confinement enhancement, tension stiffening, compression softening, and strength and stiffness degradation under cyclic loads, are also considered in the model. By comparing the analytical and experimental results, it is demonstrated that the proposed modelling approach can accurately replicate the complex behaviour of CFRP-strengthened shear walls with a wide range of aspect ratios, from the ductile flexural behaviour of slender walls to the brittle shear failure of squat walls, without requiring detailed modelling of the anchor system. Full article
(This article belongs to the Special Issue Seismic and Durability Evaluation of Concrete Structures)
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Review

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17 pages, 553 KiB  
Review
A Review on Durability of Foam Concrete
by Guanzheng Zhou and Ray Kai Leung Su
Buildings 2023, 13(7), 1880; https://doi.org/10.3390/buildings13071880 - 24 Jul 2023
Cited by 34 | Viewed by 6452
Abstract
Foam concrete is a promising material in building and construction applications, providing such outstanding properties as high specific strength, excellent thermal insulation, and effective acoustic absorption in human-inhabited buildings. However, because the porosity and permeable water absorption properties of foam concrete are significantly [...] Read more.
Foam concrete is a promising material in building and construction applications, providing such outstanding properties as high specific strength, excellent thermal insulation, and effective acoustic absorption in human-inhabited buildings. However, because the porosity and permeable water absorption properties of foam concrete are significantly higher, its durability is often not comparable to that of ordinary concrete, and so the durability of foam concrete requires significant attention during the life cycle of building applications. Durable materials can greatly reduce the environmental impact of waste from maintenance and replacement and the consumption of natural resources resulting from the production of repair and replacement materials. After hardening, the durability of foam concrete includes freeze-thaw cycle resistance, elevated temperature resistance, carbonation resistance, efflorescence resistance, sulfate resistance, chloride resistance, alkali-silica reaction, and so on. This paper reviews articles on the durability of ordinary Portland cement (OPC) foam concrete, geopolymer foam concrete (GFC), magnesium phosphate cement (MPC) foam concrete, sulphoaluminate cement (SAC) foam concrete, and limestone calcined clay cement (LC3) foam concrete and compares their durability to provide a reference for the life cycle design and service life estimation of foam concrete members. Full article
(This article belongs to the Special Issue Seismic and Durability Evaluation of Concrete Structures)
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