Abstract
SUMMARY Laminated wooden structural members subjected to constant loads for long periods of time experience a gradual increase in deformation with time. This flow or creep is associated with a reduction in strength. In this study the standard block shear sample was used to establish whether creep occurs in the glueline itself, in the interface or in the wood, and to evaluate the effect of various materials added to reduce creep. It was concluded that the actual movement takes place in the glueline itself. The amount of creep was significantly reduced by glass-fibre, asbestos or a glass-fibre mat in the gluelines of thermosetting adhesives but shear strength was not affected by these additives.
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