Research on Seismic Test and Calculation Model for Improving Factor of Composite Board with Heat Preservation Function

Table 3

The ductility coefficient of the sample.

Specimen no.	Without thermal insulation system			With thermal insulation system
	1	2	3	1	2	3
Ductility coefficient μ	3.23	3.55	3.86	4.00	4.31	4.36
Avg.	3.55			4.22