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Research on Durability and Aging on Materials and Structures in...
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Research on Durability and Aging on Materials and Structures in Buildings

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 1889

Special Issue Editors

Dr. Klára V. Machalická

E-Mail Website
Guest Editor
Department of Experimental and Measurement Methods, Klokner Institute, Czech Technical University in Prague, 166 08 Prague, Czech Republic
Interests: adhesive joints; glass structures; aging and environmental influences on mechanical properties of polymers; experimental testing
Dr. Petr Pokorný

E-Mail Website
Co-Guest Editor
Department of Building Materials, Klokner Institute, Czech Technical University in Prague, 166 08 Prague, Czech Republic
Interests: corrosion science; corrosion of reinforcing steel in concrete; bond strength; coatings; conversion coatings; chemical analysis; experimental testing
Dr. Vera Obradović

E-Mail Website
Co-Guest Editor
1. Department of Experimental and Measurement Methods, Klokner Institute, Czech Technical University in Prague, 166 08 Prague, Czech Republic
2. Innovation Center of Faculty of Technology and Metallurgy LTD. in Belgrade, 4, Karnegijeva Street, 11120 Belgrade, Serbia
Interests: materials engineering; composite materials; nanotechnology; environmental effects; polymer; experimental testing

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to this Special Issue entitled “Research on Durability and Aging on Materials and Structures in Buildings”. Mechanical properties of polymeric materials are key of importance in all applications where polymers are used as a structural building material. The mechanical properties of polymers can be highly modified by the environment, which often acts as a degradation factor, and degradation can be also increased by the simultaneous action of mechanical stress. Artificial aging methods widely accepted in aerospace or automotive industries are not directly applicable to civil engineering due to different service conditions, loading scenarios, and design service lifetime of buildings. Therefore, new or rearranged laboratory aging methods must be accepted.

Therefore, this Special Issue aims to collect original research studies, review papers, and experimental and/or numerical investigations that are focused on the durability and aging of polymers and coatings in structural applications in buildings. Topics of particular interest include, but are not limited to:

  • adhesive joints and sealants;
  • interlayers of laminated glass;
  • composites with polymeric matrix;
  • comparison of artificial aging methods and natural aging;
  • development/rearrangement of laboratory aging methods suitable for the civil engineering field;
  • numerical simulation of aging and environmental effects;
  • corrosion of coated steel in concrete;
  • stabilization of corrosion products against aging;
  • passivation conversion coatings;
  • bond strength of coated reinforcement with concrete.

Dr. Klára V. Machalická
Dr. Petr Pokorný
Dr. Vera Obradović
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

  • aging
  • environmental effects
  • long-term loading effects
  • adhesive
  • sealant
  • polymer
  • composite
  • interlayer of laminated glass
  • service-life
  • durability
  • coatings

Published Papers (2 papers)

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Research

13 pages, 4315 KiB  
Article
Degradation Effect of Moisture on Mechanical Properties of Kevlar/PVB Composites with TiO2 Nanoparticles
by Vera Obradović, Petr Sejkot, Adam Zabloudil, Klára V. Machalická and Miroslav Vokáč
Buildings 2024, 14(2), 409; https://doi.org/10.3390/buildings14020409 - 2 Feb 2024
Viewed by 829
Abstract
Kevlar fibers are widely used for industrial and military purposes due to their remarkable mechanical properties, such as their high tenacity and high strength-to-weight ratio. In this study, two-layered Kevlar composite specimens were impregnated with 10 wt.% poly (vinyl butyral)/ethanol solution which contained [...] Read more.
Kevlar fibers are widely used for industrial and military purposes due to their remarkable mechanical properties, such as their high tenacity and high strength-to-weight ratio. In this study, two-layered Kevlar composite specimens were impregnated with 10 wt.% poly (vinyl butyral)/ethanol solution which contained TiO2 nanoparticles as reinforcement. The concentrations of the nanoparticles were 1 wt.% or 2 wt.% with respect to the poly (vinyl butyral), PVB. The single-axial tensile test and three-point bending test of the Kevlar/PVB composites have been performed according to the ASTM D 3039 and ASTM D 790-03 standards, respectively. The tensile and bending properties of the dry and wet Kevlar/PVB composite specimens after a 56-day immersion are examined in this work. Upon the addition of the 2 wt.% TiO2 nanoparticles, the tensile strength and modulus of the dry specimens without reinforcement were increased by 39.8% and 24.3%, respectively. All the submerged specimens’ tensile and flexural property values were lower than those of the dry specimens. After comparing the wet composite specimens to their dry counterparts, the percentage decrease in tensile strength was approximately 20%. The wet Kevlar/PVB specimens with no TiO2 reinforcement showed the greatest reduction in bending strength, 61.4% less than for the dry Kevlar/PVB specimens, due to the degradation of the PVB matrix. In addition, a numerical simulation of the three-point bending test was carried out in Abaqus. Full article
(This article belongs to the Special Issue Research on Durability and Aging on Materials and Structures in Buildings)
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16 pages, 5681 KiB  
Article
Response of Reinforced Concrete Beams under the Combined Effect of Cyclic Loading and Carbonation
by Linxuan Zhu, Zhijun Zhou, Chaoran Chen and Kangchao Wang
Buildings 2023, 13(10), 2403; https://doi.org/10.3390/buildings13102403 - 22 Sep 2023
Viewed by 703
Abstract
To compare the deterioration mechanism of reinforced concrete beams between the combined effect of cyclic loading and carbonation and the sum of both individual factors, an optimized test procedure was introduced in this study. The macroscopic and microscopic results showed that the decrease [...] Read more.
To compare the deterioration mechanism of reinforced concrete beams between the combined effect of cyclic loading and carbonation and the sum of both individual factors, an optimized test procedure was introduced in this study. The macroscopic and microscopic results showed that the decrease in carbonation resistance of concrete could be attributed to the changes in pore structures and crack patterns introduced by cyclic loading. However, the carbonation process of flexural tensile concrete corresponding to different test procedures presented different trends. It indicated that the combined action of carbonation and fatigue damage was more serious than the damage caused by the effect of superposition. Finally, a theoretical carbonation model of concrete subjected to the combined damage was proposed and validated by comparing it with previous experimental results. The research findings are significant for improving the accuracy of evaluation of residual service life of reinforced concrete bridges and early warning of durability protection. Full article
(This article belongs to the Special Issue Research on Durability and Aging on Materials and Structures in Buildings)
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