Experimental Investigation of Thermal Modal Characteristics for a Ship’s Foundation under 300°C

Table 5

Damping ratios of the foundation with four ceramic rods under different temperatures.

Measuring point	20°C	100°C	200°C	300°C
1	0.0329	0.0268	0.0237	0.0228
2	0.0257	0.0234	0.0230	0.0212
3	0.0301	0.0253	0.0235	0.0228
4	0.0268	0.0230	0.0221	0.0218