| Abstrak/Abstract |
Mechanical joint and adhesive joint are the
two most common types of timber connections. In the case
of timber construction, bonded-in rods offer a long-term,
aesthetically acceptable alternative to some of the more
conventional steel moment connections. Bonded-in rod
connections in timber need many desirable attributes
inefficiency, manufacture, performance, aesthetics and
cost. This paper presents pull-out experimental testing for
glued-in rod made of Mengkulang (tarrietia javanica)
glulam joints. Hundred and seven (107) specimens were
prepared, each with a single glued-in rod parallel and
perpendicular to the grain. The steel treaded rod with a
diameter of 12 mm, 16 mm and 20 mm with three numbers
of adhesive (Sikadur-30) thicknesses of 2 mm, 3 mm and 4
mm were used in this experiment. The pull-out tests
observations were on the effects of adhesive thickness,
parallel and perpendicular grain directions and modes of
failure of the specimens. The result obtained that 4 mm
adhesive thickness was the strongest and parallel
specimens showed better results than the perpendicular
specimens. The pull-out failure modes are affected by the
selected factors, i.e. the adhesive thickness, rod diameter
and grain directions. Most of the specimens show failures
in the timber besides the adhesive to timber interface.
Keywords Adhesive, Glulam, Glued-In Rod,
Pull-Out Capacity, Structural Material |
