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Applied Sciences
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Utilization of Industrial Waste in Cemetitious Materials
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Utilization of Industrial Waste in Cemetitious Materials

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

Deadline for manuscript submissions: 20 February 2026 | Viewed by 189

Special Issue Editor

Dr. Shan Gao

E-Mail Website
Guest Editor
School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China
Interests: composite structures; green materials; BIM
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

To deal with the shortage of construction matierals and the depletion of natural resources, industrial waste such as building demolish waste, municipal waste, mineral tailings, foundry sands, etc., can potentially be used to replace aggregates and binders in cemetitious materials.
This Special Issue aims to collect all relevant articles regarding the utilization of industrial waste in cemetitious materials.

Dr. Shan Gao
Guest Editor

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

  • industrial waste
  • building demolish waste
  • municipal waste
  • mineral tailings
  • foundry sands
  • cemetitious materials

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Published Papers (1 paper)

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Research

23 pages, 3391 KB  
Article
Mechanical Properties of 3D-Printed Molybdenum Tailings Mortar
by Shan Gao, Tianyu Li, Jian Yuan, Tomoya Nishiwaki and Zhenhua Huang
Appl. Sci. 2025, 15(21), 11483; https://doi.org/10.3390/app152111483 - 27 Oct 2025
Abstract
As an innovative approach to advancing sustainable construction, this study explores the integration of molybdenum tailings as fine aggregate in 3D-printed mortar. The rheological and mechanical properties of the developed mixtures are systematically investigated. Environmental and economic assessments demonstrate that molybdenum tailings sand [...] Read more.
As an innovative approach to advancing sustainable construction, this study explores the integration of molybdenum tailings as fine aggregate in 3D-printed mortar. The rheological and mechanical properties of the developed mixtures are systematically investigated. Environmental and economic assessments demonstrate that molybdenum tailings sand exhibits negligible global warming potential (GWP), acidification potential (AP), and cumulative energy demand (CED), completely avoiding the environmental impacts associated with natural sand extraction. Economically, full replacement with molybdenum tailings reduces material costs, as the tailings are typically provided without charge by mining enterprises. Furthermore, the template-free 3D printing technology eliminates formwork-related environmental impacts and simplifies construction processes. Experimental results indicate that mortars with cement-to-sand ratios between 1:1 and 1:2 possess favorable printability, with nozzle movement parameters significantly influencing printed dimensions. While increased molybdenum tailings content reduces mechanical strength, the cement-to-sand ratio exerts a more pronounced effect. The compressive strength of mold-printed and free-printed mortar reaches 55–75% and 35–55% of conventional mortar, respectively. Anisotropy analysis reveals minimal directional dependence in flexural strength, whereas compressive strength shows clear anisotropy, with X-direction strength measuring approximately 70% of that in the Y direction. This research provides valuable insights into the sustainable design and performance optimization of 3D-printed mortar using industrial byproducts. Full article
(This article belongs to the Special Issue Utilization of Industrial Waste in Cemetitious Materials)
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