Nano-Engineered Cementitious Composites by Baoguo Han & Siqi Ding & Jialiang Wang & Jinping Ou
Author:Baoguo Han & Siqi Ding & Jialiang Wang & Jinping Ou
Language: eng
Format: epub
ISBN: 9789811370786
Publisher: Springer Singapore
Matrix type
Increase of setting time
CNF* content/%
Reference
Initial
Final
Abs./min
Rel./%
Abs./min
Rel./%
Cement paste
8
4.7
9
4.1
0.05
Jiao et al. [449]
20
11.8
17
7.8
0.1
52
30.6
54
24.7
0.15
80
47.1
69
31.5
0.25
102
60.0
91
41.6
0.40
Note Abs. and Rel. denote the absolute and relative value, respectively
4.Mechanical properties/performances
(i)Strength
Most researchers indicated that the mechanical strength of cementitious composites can be enhanced by incorporating nanocellulose, but there is an optimum value range of the filler content. Above that range, the strength of composites decreases [42, 446, 448, 449, 453, 458, 459]. The effect of nanocellulose on the compressive, flexural, split tensile, and internal bonding strengths of cementitious composites is summarized in Tables 2.230 and 2.231.Table 2.230Effect of nanocellulose on the early strength of cementitious composites
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