Influence of wood properties and bonding parameters on bond durability of European Beech (Fagus sylvatica L.) glulams

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Table III

Effects of variables t_lam and CAT on delamination – results of the general linear model (repeated measure ANOVA) not involving covariates GRA, WD, RHW.

Effects	Source	Sum of	Degrees of	Mean	F-value	Partial Eta	F-value
		squares	freedom^*	square	sample 1	squared	sample 2
Between-subject	t _lam	0.187	2	0.094	9.891^**	0.586	6.200^**
	CAT	0.240	1	0.240	25.343^**	0.644	13.909^**
	t_lam*CAT	0.256	2	0.128	13.558^**	0.586	8.102^**
	Residual (bondline)	0.132	14	0.009

Within-subject	Bondline	0.014	1.995	0.007	0.326^***	0.023	0.502^***
	Bondline*t_lam	0.053	3.989	0.013	0.623^***	0.083	0.440^***
	Bondline*CAT	0.018	1.995	0.009	0.417^***	0.029	0.406^***
	Bondlinet_lamCAT	0.061	3.989	0.015	0.719^***	0.093	0.522^***
	Residual (bondline)	0.593	27.925	0.021

Degrees of freedom for between-subjects adjusted with Greenhouse-Geisser value of 0,442; sample 2 = replication – only F-value.

^**

Significant for p < 0.05.

^***

Not significant.