Question

(i) Define the 3 Bolting Categories

(ii) Discuss the methods of Achieving snug tight and fully tensioned bolts when tightening nuts on site.

(iii) Discuss the difference between a fillet weld and butt weld in terms of their strength and cost. Sketch examples where appropriate.

Answer 1

i) Bolting means fastener which are made from steel, mainly used to joint steel members or to hold the members. The 3 bolting categories are:

i) Anchor Bolt: mainly uses in concrete or masonry to embed for structural works.

ii) Carraige bolt: This is square undercut headed bolt use to fasten metal to timber and to hold the bolt in one place after it is tightened.

iii) Elevator bolt: This is a bolt, which has a flat and countershank head, mainly used in conveyor system.