Static Performances of Timber- and Bamboo-Concrete Composite Beams: A Critical Review of Experimental Results

Table 7: Maximum deflection and efficiency comparison.

Connection	Connection description	Composite efficiency at SLS (%)			l_eff [mm]	Δ at SLS, l/300 [mm]	Exp. Δ_max [mm]	Δ_max/ (l/300) Ratio [%]
Connection	Connection description	Exp.	Anal.	Ratio Exp. /Anal.	l_eff [mm]	Δ at SLS, l/300 [mm]	Exp. Δ_max [mm]	Δ_max/ (l/300) Ratio [%]
Timber-concrete Gutkowski et al. [²⁴]
NC-1-G	32dx128l NCØ16	67.2	N/A	N/A	3510	N/A	N/A	N/A
LVL-composite Yeoh et al. [⁴²]
NC-1-Y	25d x150l NCØ16	86.8	96.8	0.9	7700	25.67	64.1	40.04
NC-2-Y	25d x150l NCØ16	90.1	96.5	0.93	7700	25.67	63.2	40.61
NC-3-Y	25d x150l NCØ16	97.3	97.8	0.99	7700	25.67	63.1	40.68
NC-4-Y	50d x 300l NCØ16	96.3	98.4	0.98	7700	25.67	48.1	53.36
NC-5-Y	50d x 300l NCØ16	99.9	98.8	1.01	9700	32.33	93.8	34.47
Timber-concrete Lukaszewska et al. [³¹]
SC-1-L	Ø20 SC-1	57	N/A	N/A	4440	14.8	54.53	27.14
SC-2-L	Ø20 SC-2	40	N/A	N/A	4440	14.8	60.93	24.29
CLT-concrete composite Quang Ma, et al. [⁴²]
CLT	CLT	-	-	-	5800	19.33	100.26	19.28
SC-1-Q	Ø10B-± 45Ø	100	N/A	N/A	5800	19.33	74.77	25.86
SC-2-Q	Ø7.5 SFS-± 45Ø	100	N/A	N/A	5800	19.33	79.28	24.39
SC-3-Q	Ø7.5 SFS-± 45Ø	94.19	N/A	N/A	5800	19.33	63.86	30.27
SC-4-Q	Ø7.5 SFS-90Ø	84.72	N/A	N/A	5800	19.33	110.53	17.49
NLTC Derikvand et al. [⁴³]
NLT-1	NLT	-	-	-	3300	11	N/A	N/A
SC-1-D	Ø7.5 SFS-± 45Ø	73.38	N/A	N/A	3300	11	N/A	N/A
SC-2-D	Ø7.5 SFS-± 45Ø	70.56	N/A	N/A	4600	15.33	N/A	N/A
SC-3-D	Ø7.5 SFS-± 45Ø	63.57	N/A	N/A	3300	11	N/A	N/A
NLT-2	NLT	-	-	-	3300	11	N/A	N/A
SC-4-D	Ø7.5 SFS-± 45Ø	75.22	N/A	N/A	3300	11	N/A	N/A
SC-5-D	Ø7.5 SFS-± 45Ø	66.81	N/A	N/A	4600	15.33	N/A	N/A
SC-6-D	Ø7.5 SFS-± 45Ø	69.5	N/A	N/A	3300	11	N/A	N/A
BCC, Shan et al. [⁵⁴]
SC-1-S	Ø18 Screw (100mm)	80.2	92.23	0.87	7800	26	114.6	4.41
SC-2-S	Ø18 Screw (100mm)	88.6	97.46	0.91	7800	26	109.9	4.23
NC-1-S	50d x 100l NCØ18 (12)	81.9	94.185	0.87	7800	26	95.7	3.68
NC-2-S	50d x 100l NCØ18 (16)	86.2	93.096	0.93	7800	26	84.7	3.26
NC-3-S	50d x 200l NCØ18 (8)	87.9	94.932	0.93	7800	26	85.9	3.30
NC-4-S	50d x 200l NCØ18 (12)	88.5	96.465	0.92	7800	26	81.3	3.13
BRAC composite, Deresa et al. [⁴]
NC-1-D	50d x 100l NC-1-Ø18	54	49.5	0.89	3300	11	24.57	44.77
SC-1-D	Ø18 SC-1	60	56	0.92	3300	11	24.08	45.68
GLB	Glubam-only	-	-	-	3300	11	63.22	17.4