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Sandwich and Composite Structures and Materials
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Sandwich and Composite Structures and Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 September 2025) | Viewed by 1877

Special Issue Editors

Prof. Dr. Robert Studziński

E-Mail Website
Guest Editor
Institute of Building Engineering, Faculty of Civil and Transport Engineering, Poznan University of Technology, Poznan, Poland
Interests: sandwich structures; steel structures; thin-walled structures; connections; numerical analysis; blast protection of buildings
Dr. Łukasz Polus

E-Mail Website
Guest Editor
Institute of Building Engineering, Faculty of Civil and Transport Engineering, Poznan University of Technology, Poznan, Poland
Interests: steel structures; composite structures; timber structures; structural fire engineering
Dr. Marcin Chybiński

E-Mail Website
Guest Editor
Institute of Building Engineering, Faculty of Civil and Transport Engineering, Poznan University of Technology, Poznan, Poland
Interests: steel structures; composite structures; timber structures; welded structures; structural fire engineering

Special Issue Information

Dear Colleagues,

This Special Issue of Materials focuses on the experimental and numerical investigation of sandwich and composite structures. These structures are well established in structural engineering due to their recognized advantages, which continue to make them a compelling subject of research. Moreover, advancements in modern manufacturing technologies have led to the ongoing refinement of composite and sandwich structures. This Special Issue aims to address current challenges in the mechanics of these structures, showcase novel applications and contemporary research methods, and explore potential new areas for their implementation in structural engineering.

Among others, the following topics related to sandwich and composite structures are the main focus of this Special Issue: experimental identification of material parameters, structural behaviour, steel–timber composite beams, aluminium-timber composite beams, thin-walled beams, lateral stabilization of thin-walled beams, shear connections in composite beams, numerical modelling, nonlinear effects, and failure prediction.

There are no particular restrictions on the thematic areas of this Special Issue as long as the submitted manuscripts are related to sandwich and composite structures. The readers and authors of Materials are encouraged to submit their latest research work in these areas, with an emphasis on experimental and numerical analysis.

Prof. Dr. Robert Studziński
Dr. Łukasz Polus
Dr. Marcin Chybiński
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 250 words) can be sent to the Editorial Office for assessment.

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. Materials 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

  • sandwich structures
  • composite structures
  • timber structures
  • thin-walled beams
  • metal structures
  • steel–timber composite beams
  • aluminium–timber composite beams
  • laminated veneer lumber
  • cross-laminated timber

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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

16 pages, 4124 KB  
Article
Damage Assessment of Through-Cracked-Bending Laminated Glass Elements Under Low-Velocity Hard-Body Impacts
by Chiara Bedon, Nicola Cella and Riccardo Del Bello
Materials 2025, 18(19), 4454; https://doi.org/10.3390/ma18194454 - 24 Sep 2025
Viewed by 599
Abstract
The post-fracture mechanical performance of laminated glass (LG) members is well-known to be challenging to assess due to the influence of multiple factors. Even more challenging and scarcely explored is the assessment of the behavior of broken LG elements as a function of [...] Read more.
The post-fracture mechanical performance of laminated glass (LG) members is well-known to be challenging to assess due to the influence of multiple factors. Even more challenging and scarcely explored is the assessment of the behavior of broken LG elements as a function of the degree of damage that affects it. In this paper, the attention is given to the experimental analysis of 2-ply, small-scale, pre-fractured LG elements composed of annealed (AN) glass and characterized by two different types of interlayers, namely the polymeric Ethylene-Vinyl Acetate (EVA) or the ionoplast SentryGlas® (SG) bonds. The samples—with total size of 200 mm in length by 50 mm in width—are subjected to n = 10 repeated hard-body impact tests, in a three-point-bending (3PB) setup, to simulate and assess a possible increase in the damage severity. To quantify and compare the behavior of the different interlayers in use, experimental modal analyses are performed both at the beginning of the impact tests (n = 0) and after each hard-body impact repetition (n = 1, …, 10), by means of roving hammer tests based on #14 different control points. The comparison of the experimental outcomes—in particular, the fundamental vibration frequency f1—gives evidence of a markedly different mechanical response from the EVA and SG interlayers. EVA samples exhibited a major reduction in terms of fundamental frequency, indicating significant propagation of damage following impact repetitions. On the other hand, SG samples appear to be less seriously affected by hard-body impacts. Full article
(This article belongs to the Special Issue Sandwich and Composite Structures and Materials)
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15 pages, 6401 KB  
Article
A Framework for the Estimation of Damping Ratio of Glued–Laminated Buildings by Use of Analysis in the Time Domain
by Saule Tulebekova, Haris Stamatopoulos and Kjell A. Malo
Materials 2025, 18(7), 1545; https://doi.org/10.3390/ma18071545 - 28 Mar 2025
Cited by 1 | Viewed by 884
Abstract
The increased interest in tall timber buildings has led to the need for more accurate prediction models. With inherently low mass and stiffness properties, multi-story buildings made of timber are susceptible to wind-induced vibrations, which can result in discomfort for the occupants. Multiple [...] Read more.
The increased interest in tall timber buildings has led to the need for more accurate prediction models. With inherently low mass and stiffness properties, multi-story buildings made of timber are susceptible to wind-induced vibrations, which can result in discomfort for the occupants. Multiple experimental and numerical studies investigating natural frequencies and mode shapes of timber buildings can be found in the literature. However, modeling the damping properties in timber buildings has not been studied fully yet. This study presents a framework for the estimation of the global damping ratio of glue–laminated-frame buildings by use of linear-elastic finite element modeling. Using stiffness-dependent Rayleigh damping and the dynamic analysis in the time domain, it was demonstrated that the predictions of the FE model for the damping ratio were within the range of the results obtained by on-site measurements. The case study of the tallest all-timber building in the world (Mjøstårnet, Norway) was used to demonstrate the framework using extensive small- and large-scale experimental data. The parametric study identified the damping ratio in the diagonals and material damping ratio in the glue–laminated timber as the key parameters influencing the damping ratio of the whole building. Full article
(This article belongs to the Special Issue Sandwich and Composite Structures and Materials)
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