Experimental Study and Numerical Simulation on Mechanical Properties of the Bottom Plate in the Assembled Composite Slab with Additional Steel Trusses

Table 2

The stress-plastic strain properties of concrete in compression.

Stress (MPa)	Plastic strain	Damage parameter
11.781	0.000	0.000
23.562	0.001	0.139
22.337	0.002	0.387
19.277	0.003	0.543
16.431	0.004	0.647
14.122	0.005	0.719
12.293	0.006	0.771
10.839	0.007	0.810
9.666	0.008	0.839
8.706	0.009	0.862
7.909	0.011	0.880
7.239	0.012	0.895
6.668	0.013	0.907
6.177	0.014	0.917
5.750	0.015	0.926
5.377	0.016	0.933
5.047	0.017	0.939
4.754	0.018	0.944
4.492	0.019	0.949
4.256	0.020	0.953
4.043	0.021	0.957
3.850	0.022	0.960
3.673	0.023	0.963
3.512	0.024	0.965
3.364	0.025	0.967