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However, there is no uniform standard for the assessment of the thixotropy of fresh cement\u2010based materials. In this paper, four widely used test procedures (thixotropic index, static yield stress growth curve, thixotropic hysteresis loop area, and three\u2010stage curve) are compared to determine the relationships between them. The results show that the test procedures based on the break\u2010down (destruction) process (thixotropic index, thixotropic hysteresis loop area, and degree of breakdown) are difficult to distinguish between reversible and irreversible thixotropic structures and to accurately assess the thixotropy of mixtures. The short\u2010term structural build\u2010up rate <jats:italic>R<\/jats:italic><jats:sub><jats:italic>thix<\/jats:italic><\/jats:sub> is more suitable for characterizing the thixotropic properties. The three\u2010stage curve can characterize both the degree of structural damage and the reconstruction ability of the paste, nano\u2010attapulgite clay can significantly improve the structural recovery degree of the mixture at the early hydration stage. This study will provide guidance and a theoretical framework for choosing the thixotropic characterization method of cement\u2010based materials in practical engineering applications.<\/jats:p>","DOI":"10.1002\/suco.202300220","type":"journal-article","created":{"date-parts":[[2023,9,12]],"date-time":"2023-09-12T04:20:47Z","timestamp":1694492447000},"page":"320-333","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Characterization of thixotropic properties of fresh cement\u2010based materials"],"prefix":"10.1002","volume":"25","author":[{"given":"Xuping","family":"Ji","sequence":"first","affiliation":[{"name":"State Key Laboratory of High Performance Civil Engineering Materials Jiangsu Sobute New Materials Co. Ltd.  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Nanjing China"}]},{"given":"Linpu","family":"Du","sequence":"additional","affiliation":[{"name":"Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education School of Civil Engineering, Southeast University  Nanjing China"},{"name":"Bridge Engineering Research Center of Southeast University  Nanjing China"}]},{"given":"Jianzhong","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of High Performance Civil Engineering Materials Jiangsu Sobute New Materials Co. Ltd.  Nanjing China"}]},{"given":"Fangyu","family":"Han","sequence":"additional","affiliation":[{"name":"State Key Laboratory of High Performance Civil Engineering Materials Jiangsu Sobute New Materials Co. Ltd.  Nanjing China"}]},{"given":"Jianfang","family":"Sha","sequence":"additional","affiliation":[{"name":"State Key Laboratory of High Performance Civil Engineering Materials Jiangsu Sobute New Materials Co. Ltd.  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