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Caijun Shi

Bio: Caijun Shi is an academic researcher from Hunan University. The author has contributed to research in topics: Cement & Compressive strength. The author has an hindex of 66, co-authored 307 publications receiving 17311 citations. Previous affiliations of Caijun Shi include Iowa State University & Central South University.

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TL;DR: Aluminosilicate-based alkaline cements have been classified into five categories as discussed by the authors, and the key advances made in the understanding of synthetic gels are discussed, which ultimately finds hybrid cements to be technologically viable materials for contemporary construction.

1,104 citations

02 Apr 2003
TL;DR: Alkali-Activated Cement and Concrete as discussed by the authors is a type of Cementitious Systems that uses Alkaline Activators to activate slag cements and lime-pozzolan cements.
Abstract: Introduction 1. Alkaline Activators 2. Cementing Components 3. Hydration and Microstructure of Alkali-Activated Slag Cement 4. Properties of Alkali-Activated Slag Cement Pastes and Mortars (Under Both Atmospheric Pressure and Autoclave Conditions) 5. Properties of Alkali-Activated Slag Cement Concrete 6. Durability of Alkali-Activated Slag Cement and Concrete 7. Mix Design of Alkali-Activated Slag Cement Concrete 8. Alkali-Activated Portland Cement Based Blended Cement 9. Alkali-Activated Lime-Pozzolan Cement 10. Other Alkali-Activated Cementitious Systems 11. Applications of Alkali-Activated Cement And Concrete 12. Standards and Specifications

1,008 citations

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TL;DR: Alkali activation is a highly active and rapidly developing field of activity in the global research and development community as discussed by the authors, and commercial-scale deployment of alkali-activated cements and concretes is now proceeding rapidly in multiple nations.

873 citations

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Caijun Shi1, Zemei Wu1, Jianfan Xiao1, Dehui Wang1, Zhengyu Huang1, Zhi Fang1 
TL;DR: In this article, the theoretical principles, raw materials, mixture design methods, and preparation techniques for UHPC are reviewed, including reduction in porosity, improvement in microstructure, enhancement in homogeneity, and increase in toughness.

699 citations

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TL;DR: A review of the published enhancement methods for recycled concrete aggregate can be found in this paper, where the authors suggest that carbonation treatment is an efficient and feasible method for improving the mechanical properties and durability of recycling concrete aggregate.

647 citations

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01 Jun 2005

3,154 citations

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TL;DR: In this paper, the potential position of and drivers for inorganic polymers (“geopolymers”) as an element of the push for a sustainable concrete industry are discussed.

1,444 citations

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TL;DR: In this paper, four promising alternative binders available as alternatives to Portland cement are discussed, namely calcium aluminate cement, calcium sulfoaluminate cements, alkali-activated binders, and supersulfated cements.

1,237 citations