Steel Flashcards
How is steel brought to construction site?
It is fabricated and shipped to job site
Who is the connection design left up to?
Fabricator; will submit his drawings to engineer for review and approval
Most common steel
A36
What are Wide-Flange Beams used for? (W)
Columns, Beams, Girders
What are American Standard beams used for? (S)
Girders and beams
What are American Standard Channels used for? (C)
Beams and stair stringers
What are T beams used for? (WT)
Trusses
What are Angles used for? (L)
Cross bracing, lintels, ledgers, connectors and steel truss construction
What is structural tubing used for? (TS)
Columns, cross bracing, and in the construction of steel trusses
What are pipes used for? (Pipe)
Columns
What are plates used for?
Used as base plates and connectors
How to estimate beams, girders and columns?
Estimate total amount, as well as the weight (for the crane) with an added percentage for connectors and bolts
connection of two shorter beams or columns together
splice connection
end of one beam is joined to the web of another
Beam to beam
measure to the center of the column
Beam to a column web
Measure to column flange
Beam to column flange
Measure across the column
beam to column plate
Used for floor framing systems
Joists and Joist Girders
average cost of freight
$44/ton
average cost of shipping from fab shop
$34/ton
How much can trucks haul?
20 tons per load
What is more expensive a light weight member or heavy weight member
light - more detailed which leads to more expensive fabrication
3 types of erecting
Equipment rental, labor cost for erecting structural members, and labor cost for field connections
How much paint is applied to steel
2 field coats
What type of steel member costs more to paint?
Roof truss
How much is the steel overhead?
15-60% of direct cost
How are structural steel members transported?
By truck
What are the primary safety concerns?
Falling and frame stability
