Experimental and Molecular Modeling Computation of Reinforcing Mechanism of Mortar by Polyether Polyol
Source abstract
Abstract
The purpose of this research work was to study the effect of polyethylene glycol (PEG) and polypropylene glycol (PPG) as polyether polyols on the properties of mortar specimens. Electrochemical measurement was used to investigate the change in charge transfer resistance of mortar during the hydration of cement. The mechanical properties of the mortar specimens were studied by flexural and compressive strength tests. The results show that PPG helps to improve the mechanical properties of mortar specimens compared with PEG, and that the improvement is better for high molecular weight. The mechanism of the interaction between PEG and PPG molecules and C-S-H gel was examined by molecular dynamics simulations and density flooding theory calculations, and the effect of molecular weight of PEG and PPG on the interaction of surface of C-S-H gel is discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Concrete and Cement Materials Research · Concrete Corrosion and Durability · Innovative concrete reinforcement materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Civil Engineering, Nanjing University of Science and Technology, Nanjing, China.
References (55)
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