Skip to main content

Table 10 Cracking indicators of cement mortar with different water-cement ratios.

From: Autogenous Shrinkage and Crack Resistance of Carbon Nanotubes Reinforced Cement-Based Materials

Water to cement ratio

Semi-closed experiment

Closed experiment

Cracking time/h

Cracking strain/10−6

Cracking time/h

Cracking strain/10−6

0.30

98.3

− 120

310.2

− 145

0.35

104.6

− 117

329.5

− 124

0.40

111.5

− 107

340.3

− 114

  1. Here is the cement mortar samples with 5 wt% CNTs.