Research on Polymer Quick Repair Concrete Based on Red Mud and Slag: Design of High Ductility Materials for Building Restoration

Research Overview: According to the research included in Volume 133 of the Journal of Building Engineering (published on December 1, 2026), authors Li Juan Chai, Jing Hua Fu, Xin Qian Li, Xuan Qi Wang, and Yu Yao Zhang conducted performance optimization design and mechanical performance research on high ductility red mud slag based polymer concrete rapid repair materials. The object of this study belongs to the inorganic cementitious material system for building restoration, involving formula design and mechanical performance evaluation, which is directly related to the field of building and home decoration materials.

Material System and Focus

From the title information, this study focuses on the preparation of geopolymer based concrete using red mud and slag as raw materials, positioning it as a “fast repair material” while emphasizing the performance goal of “high ductility”.

. This means that the research focuses not only on strength indicators, but also on the deformation ability of materials under stress conditions, which has practical significance for the collaborative deformation between the repair layer and the existing base layer. The study adopts the path of “performance optimization design”, indicating that its work involves adjusting the mix proportion or component parameters, with mechanical properties as the main evaluation dimension.

The significance of building restoration scenarios

Restoration projects in the field of architecture and home decoration, such as repairing concrete components, leveling and repairing floors and walls, usually require materials with fast hardening speed, good bonding with the base layer, and sufficient crack resistance.

. High ductility design helps reduce the risk of cracking in the repair layer under shrinkage, temperature changes, or load. The introduction of red mud and slag belongs to the direction of resource utilization of industrial by-products in cementitious materials, which is consistent with the exploration of low-carbon cementitious systems in the field of building materials.

Association with the polymer additive industry

It should be noted that this study focuses on the inorganic cementitious system of geopolymer itself, and the specific use of polymer additives is not mentioned in the source information.

. However, from the practical application of building and home decoration materials, such repair materials often need to collaborate with other components in the building material system during the engineering process. For example, in the repair and sealing node treatment of PVC profiles, doors, windows, and pipes, the weather resistance of the repair materials will affect the durability of the overall structure. For components that are exposed to outdoor light and oxidative environments for a long time, weather resistance and stability are dimensions that need to be considered in formula design. Antioxidants and light stabilizers play a role in inhibiting thermal and photo aging in polymer based building materials. The compatibility and durability matching of repair materials and these polymer components at the interface is also a concern in practical engineering.

Observation and Unclear Information

Currently, only the title, journal, volume, publication date, and author information are available, and the abstract and experimental data have not been disclosed.

. Therefore, the specific mix proportion, red mud content, ductility index values, mechanical performance test results, and whether durability evaluation is involved in this study cannot be confirmed from existing sources. Subsequent attention can be paid to the experimental data after the official publication of the paper to determine its applicability in building restoration and home decoration scenarios.

Information source:Performance optimization design and mechanical property of high ductility red mud-slag based geopolymer concrete rapid repair material， Organized by Herun Chemical.