Glue/Adhesive Strength

To investigate and test the strength of glues and adhesives on joint design and construction for final application.

Definition and Theory
A joint is defined as the connection between two members. Many structures fail not because of a deficiency in a member but because the joints connecting them were not strong enough. There are several factors that will determine the strength of joint between two pieces of wood. One factor is the amount of surface contact between the two members of the joint and the glue/adhesive. Normally, the more surface contact, the stronger the joint. Another factor is the strength of the glue. If the same surface area is used and the strength of the glue/adhesive is changed, the strength of the joint will change.


Laboratory Worksheet