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Construction Materials, Volume 5, Issue 3

September 2025 - 29 articles

Cover Story: Five different types of post-consumer plastics were mechanically ground into fine aggregate, and each type was used to prepare mortar cubes by partial volumetric replacement of the sand. The research aimed to evaluate the effect of the plastic type and its shape on the density and the compressive strength of concrete. The plastic products used in this study are usually not collected by curbside recycling facilities and are discarded in landfills or incinerated. The different types of plastics investigated were Polyethylene terephthalate (PET), High-Density Polyethylene (HDPE), Polypropylene (PP), Polystyrene (PS), and Acrylonitrile Butadiene Styrene (ABS). This study concluded by proposing general equations to predict the reduction in the density and compressive strength of the mortar with the increment in the plastic replacement. View this paper
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Articles (29)

  • Review
  • Open Access
1,632 Views
21 Pages

Supplementary cementitious materials (SCMs) provide a practical solution for reducing greenhouse gas emissions associated with Portland cement production while enhancing the economy, performance, and service life of concrete and mortar. Currently, th...

  • Article
  • Open Access
1 Citations
1,934 Views
16 Pages

Strength and Water Absorption Behavior of Untreated Coconut Fiber-Reinforced Mortars: Experimental Evaluation and Mix Optimization

  • Danah Alenezi,
  • Dema Mohammad,
  • Fatemah Alfoudari,
  • Manar Saeedi,
  • Refah Alajmi and
  • Enea Mustafaraj

This study investigates the use of untreated coconut coir fibers as a sustainable reinforcement in cement mortars, with emphasis on the combined effects of fiber content (0.5–2.0% by volume) and length (10–25 mm) on mechanical performance...

  • Article
  • Open Access
1,039 Views
16 Pages

Molasses-Modified Mortars: A Sustainable Approach to Improve Cement Mortar Performance

  • Zaid S. Aljoumaily,
  • Mohammed Z. Al-Mulali,
  • Amjad H. Albayati and
  • Teghreed H. Ibrahim

The utilization of sugarcane molasses (SCM), a byproduct of sugar refining, offers a promising bio-based alternative to conventional chemical admixtures in cementitious systems. This study investigates the effects of SCM at five dosage levels, 0.25%,...

  • Review
  • Open Access
2,520 Views
33 Pages

Sustainable Engineering of Recycled Aggregate Concrete: Structural Performance and Environmental Benefits Under Circular Economy Frameworks

  • Bishnu Kant Shukla,
  • Harshit Yadav,
  • Satvik Singh,
  • Shivam Verma,
  • Anoop Kumar Shukla and
  • Chetan Sharma

The transition toward sustainable infrastructure in the construction sector necessitates the practical integration of Circular Economy (CE) principles, particularly through the valorization of recycled materials in concrete applications. This review...

  • Article
  • Open Access
959 Views
25 Pages

Determining Performance, Economic, and Environmental Benefits of Pavement Preservation Treatments: Results from a Systematic Framework for PMS

  • Anthony Brenes-Calderon,
  • Adriana Vargas-Nordcbeck,
  • Surendra Chowdari Gatiganti and
  • Josué Garita-Jimenez

This study evaluated the benefits of pavement preservation treatments across two climatic zones using data from the National Center for Asphalt Technology (NCAT) Pavement Preservation Group Study. Longitudinal data analysis was conducted to quantify...

  • Article
  • Open Access
808 Views
15 Pages

Surface deterioration and paint peeling occur in historic buildings worldwide due to excessive moisture. Conventional coatings often fail to preserve these structures. In Mosul, Iraq, conventional paints often do not preserve historic structures. The...

  • Article
  • Open Access
616 Views
20 Pages

Design and Evaluation of Modified Asphalt with Enhanced Stripping Resistance Based on Surface Free Energy

  • Tomohiro Fujinaga,
  • Tomohiro Miyasaka,
  • Yousuke Kanou and
  • Shouichi Akiba

Latent stripping has become increasingly apparent in asphalt pavements, particularly in highway rehabilitation and international construction projects supported by Official Development Assistance (ODA) from the Government of Japan. Stripping accelera...

  • Systematic Review
  • Open Access
949 Views
21 Pages

The reuse of Waste Foundry Sand (WFS) in construction remains constrained by fragmented research, unclear regulatory pathways, and inconsistent assessments of environmental safety and material performance. This study introduces a novel decision-makin...

  • Article
  • Open Access
1,049 Views
20 Pages

Comprehensive Analysis of Microstructure and Mechanical, Operational, and Technological Properties of AISI 321 Austenitic Stainless Steel at Electron Beam Freeform Fabrication

  • Sergey V. Panin,
  • Mengxu Qi,
  • Dmitry Yu. Stepanov,
  • Mikhail V. Burkov,
  • Valery E. Rubtsov,
  • Yury V. Kushnarev and
  • Igor Yu. Litovchenko

The aim of this study was to investigate microstructure and the mechanical and operational characteristics of thick and thin walls 3D-built by electron beam additive manufacturing (EBAM). In addition, the milling parameters (rotation speed, feed, and...

  • Article
  • Open Access
886 Views
11 Pages

Hydrogen is emerging as a crucial energy carrier, yet effective insulation for liquid hydrogen (LH2) storage remains a significant challenge. This study focuses on evaluating the thermal properties of mineral fiber insulation at cryogenic temperature...

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Constr. Mater. - ISSN 2673-7108