Glued-in ribbed steel rod joints of glulam were studied
with three different experiments.
(1) In test series of single-rod joints, two types of
epoxy and polyurethane
adhesive were used. 20 mm thick rods were glued into
25 mm holes, whose depth was 340 mm. Angle
and grain direction was 30 -90 . Both compression and
tensile series were made.
series, different combinations of gluing and loading
moisture contents were used. Strains in rods
were measured with strain gauges.
(2) In test series of V joints, the rods of joint were
placed in two directions to form a 'V'.
Variable combinations of angles were used. Both shear
and tensile loading were used.
Modelling of the capacity of V joint is presented.
(3) In test series of connections of 1.2 m high beams,
two types of symmetric and asymmetric
connections based on V joints were loaded. Bending
capacity of unjoined beam was attained.
Strains were measured in connecting steel plates, to
which the steel rods of the V`s were welded.
Recommendation for design method of moment-resisting
connections is proposed.
|Place of Publication||Espoo|
|Publisher||VTT Technical Research Centre of Finland|
|Number of pages||94|
|Publication status||Published - 1994|
|MoE publication type||Not Eligible|
- wooden structures
- structural timber
- gluelam beams
- joints (junctions)
- ribs (supports)
- epoxy resins
- polyurethane resins
- tensile stress
- compression tests
- bending stress
- moisture content
- loads (forces)