Advances in understanding ye'elimite-rich cements

被引：130

作者：

Ben Haha, Mohsen ^{[1
]}

Winnefeld, Frank ^{[2
]}

Pisch, Alexander ^{[3
]}

机构：

[1] HeidelbergCement AG, Global Res & Dev, Oberklamweg 2-4, D-69181 Leimen, Germany

[2] Empa, Swiss Fed Labs Mat Sci & Technol, Lab Concrete & Construct Chem, Uberlandstr 129, CH-8600 Dubendorf, Switzerland

[3] Univ Grenoble Alpes, CNRS, Grenoble INP, SIMaP, F-38000 Grenoble, France

来源：

CEMENT AND CONCRETE RESEARCH | 2019年 / 123卷

关键词：

CALCIUM SULFOALUMINATE CEMENT; EARLY AGE HYDRATION; PORTLAND-CEMENT; THERMODYNAMIC PROPERTIES; POWDER DIFFRACTION; PHASE-TRANSITION; BELITE CEMENT; PORE SOLUTION; AH(3) PHASE; CSA CEMENT;

D O I：

10.1016/j.cemconres.2019.105778

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this review, we discuss the recent advances in understanding ye'elimite-rich cements. These cements can be classified as follows: (1) Low belite ones namely called calcium sulphoaluminate cements (CSA) where the main use is in special applications or when combined with OPC and calcium sulphate sources in structural application (2) High belite ones namely Belite Ye'elimite ferrite cement (BYF) where their development as an alternative low carbon binders is aimed to replace Portland clinker in structural applications. The main hydrating phase at early age in both systems is ye'elimite. Its formation, its reactivity and its extent of reaction and space filling when hydrating define the properties of the cement. Recent advances in understanding these properties are critically analyzed. Recent activities on the clinker formation and production at laboratory and industrial scale are reported. Additionally, the effects of aluminate-rich minerals are reviewed in detail, with a focus on their influence on the hydration mechanism and the resulting hydrates assemblage and their stability in ye'elimite rich systems. Applicability of thermodynamic calculation and its limitations are discussed to underline the role of the chemical environment at each reaction step on the hydrates assemblage.

引用

页数：20

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