Research Article

[Retracted] Composite Nano-Calcium-Based Material for Reinforcement and Protection of Earthen Ruins in Humid Environment

Table 4

Test results of sample disintegration.

a-solid content (%)Density (g cm3)DisintegrationDisintegration in 7 days (%)

01.55After 20 minutes, the sample becomes cone-shaped, and occasionally broken particles fall56.38
1.65After 45 minutes, the sample becomes conical, and occasionally broken particles fall45.21
1.75Become a cone after 1 hour, occasionally broken particles fall36.87

0.21.55After 1 hour, the corners are completely peeled off, occasionally broken pieces fall off15.23
1.65The corners fell off severely after 1 hour and 30 minutes, occasionally broken pieces fell off10.52
1.75The corners fell off severely after 2 hours, occasionally broken pieces fell off8.52

0.41.55The corners will fall off a little after 1 hour and remain stable afterwards3.28
1.65The corners will fall off a little after 1 hour and 30 minutes, and then remain stable1.66
1.75The corners will fall off a little after 2 hours and remain stable afterwards0.72