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Innovative Materials for Construction II

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 4981

Special Issue Editors


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Guest Editor
Innovation Engineering Department, University of Salento, 73100 Lecce, Italy
Interests: cold-cured adhesives and matrices for FRP employed in constructions; polymeric nanostructured adhesives and coatings; hydrophobic coatings for stone conservation and wood protection; durability of polymers, adhesives and coatings; eco-efficient materials for construction and cultural heritage
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Guest Editor
Centre for Territory, Environment and Construction (CTAC), University of Minho, 4800-058 Guimarães, Portugal
Interests: sustainable construction; energy efficiency of buildings; phase change materials; composite materials; material durability; construction and demolition wastes; foundry industry wastes; polymers in concrete
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Further to the success of the Special Issue of Materials on “Innovative Materials for Construction”, we are delighted to open a new Special Issue entitled “Innovative Materials for Construction II”.

Most typical materials employed in today’s constructions present limitations, especially with regard to their durability, in either common or severe environmental conditions, and to their impact on the environment. In response to these issues, academic and industrial efforts around the world have been devoted to developing new smart materials that can provide efficient alternatives, can improve energy efficiency in buildings or are able to upgrade, repair, and protect existing infrastructures. Different and wide technological innovations are, therefore, quickly fostering advancements in the field of construction materials. A new generation of materials (bricks, cement, coatings, concrete, FRP, glass, masonry, mortars, nano-materials, phase change materials, polymers, steel, wood, etc.) is, in fact, gaining a prominent position in modern building technology, since they are able to overcome the various limits and flaws of conventional materials employed in constructions, without neglecting the smart applications of pioneering materials in ancient constructions and historic buildings.

Even though the adoption of innovative materials in the construction field has been demonstrated to be a successful route in achieving enhanced performance, or even new and unexpected characteristics, different issues still are not completely solved. On top of these, the cost/performance ratio of novel solutions must from the moment of their introduction be demonstrated to be suitable, without compromising quality. Other concerns are related to their sustainability, being ecofriendly options, and possibly exploiting recycled materials or byproducts from other productions, the most desirable solution. Finally, the use of materials or systems that are unconventional in this field creates the need to update, or develop new, specifications and standards.

This Special Issue aims at providing a platform for discussing open issues, challenges, and achievements related to innovative materials proposed for the construction industry.

Prof. Dr. Mariaenrica Frigione
Prof. Dr. José Barroso de Aguiar
Guest Editors

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Keywords

  • auto-repairing features
  • conservation
  • durability
  • energy efficiency
  • increase in human comfort
  • protection
  • phase change materials
  • nanotechnology
  • new standards
  • non-toxicity
  • recycling
  • reduction of natural resources
  • renewability
  • self-cleaning characteristics
  • sustainability

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Published Papers (2 papers)

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Research

15 pages, 1611 KiB  
Article
Physical Properties of an Eco-Sustainable, Form-Stable Phase Change Material Included in Aerial-Lime-Based Mortar Intended for Different Climates
by Antonella Sarcinella, José Luís Barroso de Aguiar and Mariaenrica Frigione
Materials 2022, 15(3), 1192; https://doi.org/10.3390/ma15031192 - 4 Feb 2022
Cited by 15 | Viewed by 1878
Abstract
The aim of this experimental investigation was to produce a form-stable phase change material (PCM) able to reduce the need for nonrenewable energy resources required for the heating/cooling of buildings located in regions characterized by different climatic conditions. The innovative PCM must also [...] Read more.
The aim of this experimental investigation was to produce a form-stable phase change material (PCM) able to reduce the need for nonrenewable energy resources required for the heating/cooling of buildings located in regions characterized by different climatic conditions. The innovative PCM must also be sustainable and must be produced according to the principles of the circular economy. To achieve such ambitious goals, a form-stable, sustainable PCM was produced through vacuum impregnation. The form-stable PCM was produced starting from a low-toxicity, low-flammability polyethylene glycol of medium molecular weight (PEG 800), which was included in porous stone granules obtained as waste products of the cutting/processing of local (Lecce) stone. The thermal properties and thermal stability of PEG 800 and of its PCM-composite were evaluated by employing differential scanning calorimetry (DSC) and thermo-gravimetric analysis (TGA). The appropriate parameters to perform the impregnation procedure were identified through rheological and calorimetric analyses. A simple leakage test was performed to assess if the PEG polymer can leak from the stone flakes. Finally, the new PCM was added as an aggregate in aerial-lime-based mortars, and the mortar’s properties were analyzed in fresh (workability) and hardened (flexural and compressive strength and thermal characteristics) states for potential applications, particularly in ancient buildings. Full article
(This article belongs to the Special Issue Innovative Materials for Construction II)
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14 pages, 5510 KiB  
Article
Experimental and Numerical Analysis of Multiple Low-Velocity Impact Damages in a Glass Fibered Composite Structure
by Kaleeswaran Balasubramaniam, Dominika Ziaja, Michał Jurek, Piotr Fiborek and Paweł Malinowski
Materials 2021, 14(23), 7268; https://doi.org/10.3390/ma14237268 - 28 Nov 2021
Cited by 10 | Viewed by 2024
Abstract
Glass fiber-reinforced polymer structures (GFRPS) are widely used in civil and mechanical fields due to their light weight and corrosion resistance. However, these structures are prone to damage with very-low-energy impacts. The reliability of such structures is of prime importance before their installation [...] Read more.
Glass fiber-reinforced polymer structures (GFRPS) are widely used in civil and mechanical fields due to their light weight and corrosion resistance. However, these structures are prone to damage with very-low-energy impacts. The reliability of such structures is of prime importance before their installation and usage. This study aimed to identify, visualize, localize, and verify multiple barely visible impact damage (BVID) in a GFRPS using a combination of guided waves (GW)-based online structural health monitoring (SHM) and thermal strain-based nondestructive testing (NDT) approaches. Global NDT techniques like the use of a laser Doppler vibrometer (LDV) and digital image correlation (DIC) were used in the experimental analysis. The effectiveness of the experimental LDV-GW process was also checked numerically with the spectral element method (SEM). A threshold-based baseline free SHM approach to effectively localize the damages was proposed along with quick DIC verification of composite structure with thermal loading based on short-pulse heating as an excitation source. This study analyzed combined experimental- and numerical-based SHM-NDT methods in characterizing the multiple BVIDs located in a GFRPS. Full article
(This article belongs to the Special Issue Innovative Materials for Construction II)
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