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Properties and Applications of Sustainable and High-Performance Concrete Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 2358

Special Issue Editors


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Guest Editor
Institute of Energy Infrastructure (IEI), Universiti Tenaga Nasional, Kajang, Malaysia
Interests: green concrete technology; pozzolanic materials

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Guest Editor
Discipline of Civil Engineering, Monash University Malaysia, Subang Jaya, Selangor 47500, Malaysia
Interests: high-performance concrete; GFRP composites

Special Issue Information

Dear Colleagues,

The use of cement and natural aggregates as the raw materials to produce high-performance concrete has contributed to sustainability issues of climate change, pollution, and the wastage of natural resources and energy. There is a dire need to recycle waste materials and reduce energy consumption in producing high-performance concrete to face the sustainability challenges of the construction industry. This Special Issue highlights novel discoveries and research on high-performance concrete, placing a particular emphasis on optimizing its constituent parts for cleaner production. Throughout this Special Issue, our contributors work to uncover the sustainability of optimizing the constituents of concrete such as cement, waste aggregates, recycled plastic, and industrial wastes like fly ash, slag, silica fume, and waste glass. In doing so, they work to produce high-performance concrete that has superior qualities in terms of robustness, durability, and workability compared to normal concrete.

This Special Issue presents high-quality review and original research papers, which includes, but is not limited to:

  • Cleaner production of high-performance concrete;
  • Durability of high-performance concrete;
  • The waste-to-wealth concept in high-performance concrete production;
  • Sustainable recycling of waste aggregates for high-performance concrete;
  • Utilization of chemical admixtures in high-performance concrete;
  • Optimization of waste pozzolanic materials in high-performance concrete;
  • Structural integrity of high-performance concrete;
  • High-performance concrete for building, pavement, and foundation; applications;
  • Computational modeling of high-performance concrete.

Dr. Leong Sing Wong
Dr. Sih Ying Kong
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. Applied Sciences 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 2400 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

  • waste materials
  • high-performance concrete
  • sustainability
  • cleaner production
  • robustness
  • durability
  • workability

Published Papers (2 papers)

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Research

16 pages, 7156 KiB  
Article
Development of Conductive Mortar for Efficient Sacrificial Anode Cathodic Protection of Reinforced Concrete Structures—Part 2: Four-Year Performance Evaluation in Bridges
by Ji-Myung Ha, Jin-A Jeong and Chungkuk Jin
Appl. Sci. 2024, 14(5), 1797; https://doi.org/10.3390/app14051797 - 22 Feb 2024
Viewed by 705
Abstract
This study explores the efficacy of a sacrificial anode cathodic protection (SACP) system with an activated carbon-based conductive mortar in bridge structures. In the previous Part 1 study, various admixtures were compared to identify a conductive mortar for enhancing the performance of the [...] Read more.
This study explores the efficacy of a sacrificial anode cathodic protection (SACP) system with an activated carbon-based conductive mortar in bridge structures. In the previous Part 1 study, various admixtures were compared to identify a conductive mortar for enhancing the performance of the SACP system, assessed through electrical conductivity, resistivity, cathodic protection (CP) potential and current, and 4 h depolarization potential. Part 2 extends the investigation by applying the developed conductive mortar containing activated carbon to an SACP system on an actual bridge structure in which corrosion has already been initiated. Before CP installation, the physical properties of the conductive mortar were evaluated to satisfy the standard requirements for concrete structure maintenance. Subsequently, zinc mesh and bulk anodes were installed on the bridge pier, followed by the application of a conductive mortar with an admixture ratio of 5%. Over a four-year period, performance was measured through regular 4 h depolarization potential checks and visual inspections. The SACP system with the conductive mortar demonstrated superior CP performance compared to the general mortar, confirming the effectiveness of the developed conductive mortar. Visual inspection after four years confirmed the workability of the SACP system with conductive mortar. Full article
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16 pages, 4136 KiB  
Article
Numerical Studies on the Impact of Traffic Loading on Embedded Pipes in Solar Energy Harvesting Concrete Pavement
by Muhammad Imran Najeeb, Zarina Itam, Mohammed Azeez Alrubaye, Shaikh Muhammad Mubin Shaik Ahmad Fadzil, Nazirul Mubin Zahari, Mohd Supian Abu Bakar, Agusril Syamsir, Mohd Hafiz Zawawi and Norizham Abdul Razak
Appl. Sci. 2023, 13(11), 6685; https://doi.org/10.3390/app13116685 - 31 May 2023
Viewed by 1037
Abstract
The urban heat island (UHI) effect occurs when cities and towns warm up more than the surrounding rural areas because they have more structures and less vegetation and soil. The issue can be lessened by implementing a pavement solar collector (PSC) system, which [...] Read more.
The urban heat island (UHI) effect occurs when cities and towns warm up more than the surrounding rural areas because they have more structures and less vegetation and soil. The issue can be lessened by implementing a pavement solar collector (PSC) system, which converts heat from the pavement’s surface into thermal energy. In this work, the authors analyze the effect of pipe depth (85 mm to 50 mm) and spacing (200 mm to 100 mm) on the efficiency of heat extraction from the surface while taking pavement structural performance into account using the ANSYS Fluent program. The modeling approach was validated against the previous studies. According to the findings, a concrete water harvesting system may achieve the maximum outlet temperature with the least impact on traffic loading by using a distance of 100 mm and a depth of 85 mm. The load’s impact is 51% less than that of the model that predicted the highest outlet temperature, and the outside temperature is reduced by 3.9%. The outcomes here demonstrated that concrete might be employed in the PSC system as an alternative to asphalt. Full article
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