Effects of lignin cellulose and expansive agent on microstructure and macro-property of polymer-modified mortar containing fly ash |
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Authors: | Quan Liuquan Li Dongxu Li Zongjin |
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Affiliation: | 1. College of Material Science and Engineering, Nanjing University of Technology, Nanjing, Jiangsu 210009, China;2. Department of Civil Engineering, The Hong Kong University of Science and Technology, Hong Kong, China |
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Abstract: | The influence of polymer-modified mortar with fly ash was researched, when lignin cellulose and calcium sulphoaluminate expansive agent was added into mortar. The consistency, mechanical properties and shrinkage performance of mortar were studied by orthogonal experiment. Lignin cellulose was wrapped by the hydration products of binding materials. As the expansive agent and fly ash increasing, the consistency of mortar can be improved. Moreover, the influence of cement-based self-leveling material containing fly ash was also studied, when the different quantity of calcium oxide added into the material. The proper added quantity of CaO can largely improve the mechanical property and restrain the shrinkage of self-leveling material. |
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