Research Article

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

Table 2

Force and displacement.

Plate typeSpecimen no.Pcr△crPyyPuu
(kN)(mm)(kN)(mm)(kN)(mm)

Without thermal insulation system160.460.84212.603.68311.8511.90
260.110.69206.403.50305.0212.42
364.740.61211.503.07327.0711.85
Avg.61.770.71210.173.42314.6512.06

With thermal insulation system178.700.85209.074.02369.6316.08
269.430.75220.254.11377.7117.72
371.570.83215.764.16366.4518.13
Avg.73.230.81215.034.10371.2617.31

Improvement0.190.140.020.200.180.44

Notes: Pcr denotes the cracking load; Δcr denotes the cracking displacement; Py denotes the yielding load; Δy denotes the yielding displacement; Pu denotes the ultimate load; Δu denotes the ultimate displacement.