Abstract
The building industry is known as one of the biggest consumers of natural resources and an important producer of CO2 emissions. The biggest greenhouse gas emissions are recorded in the production of cement and metallic building materials. The purpose of this paper is to investigate if magnesium oxychloride cement (MOC) can be used as an alternative to the ordinary Portland cement in the mixture of wood–cement composite building materials in order to decrease the negative impact of the construction industry on the environment. The research methodology includes bibliometric literature research, a scientometric analysis and an in-depth discussion. The data used for the research were obtained by interrogating the ISI Web of Science database, selected using the guidelines of the PRISMA method and processed with the help of VOSviewer and Bibliometrix software. The research results indicate an increasing interest in this topic; for example, in the last five years, three times more articles were published on the subject of MOC cement than the number of all articles collected in previous years. Compared to ordinary Portland cement, MOC cement presents a good match with wood, so MOC can be a substitute for ordinary cement to manufacture wood-cement particleboard, especially for the wood species that have high incompatibility with ordinary cement.
Highlights
The natural color of the Magnesium oxychloride cement (MOC) cement is yellowish, so it is closer to the color of many natural wood species
The purpose of this paper was to investigate if MOC cement can be a good solution to produce wood–cement building materials that can help decrease the negative impact of the construction industry on the environment
The main conclusions resulting from this study can be formulated as: o In the last five years, from 2017 up to 2021, the interest for MOC cement increased substantially; in this time, more than three times more papers were published than all of the papers cumulated before 2017; o The MOC cement presents a lot of advantages, in many ways it exhibits properties superior to standard Portland cement
Summary
The current rhythm of social development is starting to have visible effects on the environment. One of the biggest challenges in this effort is related to decreasing greenhouse emissions and stopping the effects of climate change. The biggest greenhouse gas emissions are recorded in the production of cement and metallic building materials. The main advantages that make the MOC cement superior to ordinary cement are referring to lower CO2 emission, short setting time, the lack of humid curing, low alkalinity and excellent mechanical strength [16]. It exhibits rheological properties that enable the material to flow into irregular cavities [20]. It exhibits comparatively high flexural strength (≥4 MPa), compressive strength (≥69 MPa) and elastic modulus (70–85 GPa) [21]
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