Effect of nano-SiO2/CaSO4 whisker–silica fume on the strength, drying shrinkage, and capillary water absorption of cement mortar

Wang, Han; Zeng, Xiaohui; Liu, Zhiru; Luan, Shuoxing; Tang, Zhuo; Long, Guangcheng; Tan, Qingquan; Wang, Haixu; Liu, Suihu; Ren, Xin; Ma, Gang; Lan, Xuli

doi:10.1007/s43452-023-00806-4

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2024

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“… Microscopic mechanism of partial replacement of silica fume (SF) by CSWs: cement mortar mixed with SF, and cement mortar in which CSWs partially replaces SF [ 55 ]. …”

Section: Figurementioning

confidence: 99%

Application of Calcium Sulfate Whiskers to Cement-Based Materials: A Review

Liu,

Liao,

Sha

et al. 2024

Materials

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In recent years, significant attention has been paid to the use of calcium sulfate whiskers (CSWs) to enhance the performance of cement-based materials (CBM). This technology has attracted widespread interest from researchers because it enhances the performance and sustainability of CBM by modifying the crystal structure of calcium sulfate. This article summarizes the fundamental properties and preparation methods of calcium sulfate whisker materials as well as their applications in cement, potential advantages and disadvantages, and practical applications and prospects. The introduction of CSWs has been demonstrated to enhance the strength, durability, and crack resistance of CBM while also addressing concerns related to permeability and shrinkage. The application of this technology is expected to improve the quality and lifespan of buildings, reduce maintenance costs, and positively impact the environment. The use of CSWs in CBM represents a promising material innovation that offers lasting and sustainable advancement in the construction industry.

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“… Microscopic mechanism of partial replacement of silica fume (SF) by CSWs: cement mortar mixed with SF, and cement mortar in which CSWs partially replaces SF [ 55 ]. …”

Section: Figurementioning

confidence: 99%