Flexural behavior of bamboo–concrete composite beams with perforated steel plate connections

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Test results of perforated plate connections of bamboo–concrete

Test method	Specimen number	Ultimate load P_u/kN	Ultimate slip S₀/mm	K_s,0.4/kN/mm	K_s,0.6/kN/mm	K_s,0.8/kN/mm	S_u/mm	S_y/mm	D
LVDT	P1	36.63	0.48	222.00	183.15	162.80	3.48	0.18	19.33
	P2	40.91	1.34	136.37	122.73	74.38	3.60	0.44	8.18
	P3	34.75	0.40	231.67	208.50	198.57	1.79	0.14	12.79
	AVE	37.43	0.74	196.68	171.46	145.25	2.96	0.25	13.43
	SD	3.16	0.52	52.46	44.07	63.93	1.01	0.16	5.60
	COV	0.08	0.70	0.27	0.26	0.44	0.34	0.65	0.42
DIC	P1	36.63	0.47	218.69	199.80	139.55	3.83	0.21	18.24
	P2	40.91	1.70	116.89	79.18	54.55	4.58	0.6	7.63
	P3	34.75	0.28	239.66	221.81	213.85	1.51	0.13	11.62
	AVE	37.43	0.82	191.74	166.93	135.98	3.31	0.31	12.50
	SD	3.16	0.77	65.67	76.79	79.71	1.60	0.25	5.36
	COV	0.08	0.94	0.34	0.46	0.59	0.48	0.81	0.43

The data in the table are calculated based on the displacement data measured by the displacement meter in the middle of the specimen and the black spot displacement data at the corresponding position