What is glulam decking?
Two or more pieces of lumber laminated together. 2-1/4” to 4” thick
What are controlled random pattern decking rules?
Stagger joints in adjacent rows 600 mm minimum
Stagger joints in non adjacent rows a minimum of 150 mm
Deck must extend over three spans
Each plank must bear on one or more supports
What is a bent?
A structural framework designed to carry lateral and vertical loads. Oriented perpendicular to the length of the building.
Which truss is capable of the longest spans?
Bowstring trusses (between 50’ to 200’)
What is a panel regarding heavy timber trusses?
Intersection of two or more members of a truss on the upper and lower chords.
What is the purpose of a wood diaphragm?
To brace a structure against lateral forces such as wind and earthquake loads and transfers to other areas of the structure
What is the order of support in timber construction, starting from the foundation going up?
columns, beams, girders, joists, decking
The two classifications or grade categories for glulam are …
Stress grade
Appearance grade
In glulam continuous beams where are the high strength laminations located?
Near the top and bottom to give the greatest strength and stiffness.
In glulam columns and tension members where are the high-strength laminations located?
Equally distributed throughout the member.
What three grades of glulam are available in appearance grade glulam?
Industrial - (good) used for shoring and commercial buildings
Commercial - (better) usually covered with drywall
Quality - (best) left exposed with a clear finish
What best describes chinked log building construction?
logs are left round and cut to join at intersections and corners.
How often should horizontal logs be fastened together according to the NBC?
1.8 m O/C
What is one method of minimizing excessive shrinkage of wood siding cladding?
install seasoned siding.