Experimental Study of Composite Members in Spatial Grid Structure Subjected to Ultralow-Cyclic Axial Force

Table 4

Characteristic points of test process.

Test ID	Loading system	Local dent (cycle time)	Crack initiation (cycle time)	Specimen cracking (cycle time)	Specimen fracture (cycle time)
S24-I	I	13	13	14	15
S27-I	I	12	13	13	14
S30-I	I	9	11	12	12.5
S24-II	II	10	13	15	31
S27-II	II	10	13	14	28.5
S30-II	II	12	14	15	24.5
S24-III	III	22	23	25	25
S27-III	III	20	21	22	22
S30-III	III	16	17	17	19
S24-IV	IV	10	13	15	72
S27-IV	IV	6	8	10	19.5
S30-IV	IV	6	7	8	19.5
S24-V	V	6	9	12	57
S27-V	V	5	7	9	19
S30-V	V	4	6	8	16.5
S24-VI	VI	6	7	9	50
S27-VI	VI	5	6	7	12
S30-VI	VI	4	5	7	8