Term
| Standard Structural Steel |
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Definition
| 0.2-0.5% carbon content; rolled into standard sections and required fire protection |
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Definition
| 12-27% (stainless steel); alloying elements are added to achieve special properties |
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Definition
| contains up to 0.05% copper; develops a protective oxide coating (patina) when exposed to weather and needs no finish (Cor-Ten) |
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Definition
| increases strength and hardness of steel; reduces ductility and welding capabilities |
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Definition
| property that allows steel to withstand excessive deformations caused by high stresses |
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Definition
| corrosion resulting from the contact of dissimilar metals in the presence of an electrolyte |
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Term
| how to prevent Galvanic Action |
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Definition
| different metals should be separated from each other by a non-conductive barrier (rubber, neoprene) |
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Term
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Definition
| metals containing a substantial proportion of iron (stainless steel, galvanized iron) |
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Definition
| all other metals that do not contain iron such as aluminum, copper, zinc; resist corrosion |
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Term
| Method of Metal Fabrication: CAST |
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Definition
| molten metal is poured into sand molds or forms where it is cooled and hardened; used when desired shape or size is not easily obtained by rolling or machining |
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Term
| Method of Metal Fabrication: WROUGHT |
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Definition
| solid metal is forcibly shaped into desired profile; rolling, extruding, drawing |
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Definition
| metal is passed through rollers |
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Definition
| a ram forces preheated metal through a die of the desired profile |
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Definition
| metal is pulled through a die; used to make complex shapes from hot-rolled bars |
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Term
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Definition
| aluminum framing system that is lightweight, fast to erect, incombustible, decay/rot/termite-proof, dimensionally stable, easy passage of pipes, wiring, etc; installed like a wood stud system and can span to 32 feet high with light loads |
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Term
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Definition
| corrugated, ribbed, or cellular steel used as a working platform during construction and as a formwork for pouring concrete |
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Term
| deformation in the decking |
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Definition
| locks the concrete slab and decking together to achieve composite action (provides tensile strength) |
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Definition
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Definition
| done in the field or construction site |
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Definition
| done in the shop prior to delivery |
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Term
| why steel beams do not align |
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Definition
| because of the height of the open-web joist (bearing plate) |
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Term
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Definition
| span up to 60'--depth ranges from 8" to 30" |
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Term
| LH-series (longspan) open web joists |
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Definition
| span up to 96'--depth ranges from 18" to 48" |
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Term
| DLH-series (deep longspan) open web joists |
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Definition
| span up to 144'--depth ranges from 52" to 72" |
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Term
| spacing between open web joists |
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Definition
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Definition
| small lightweight trusses; standardized; shop-fabricated; strong in vertical direction; weak in flat, horizontal direction |
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Definition
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Definition
| distributes loads across framing system and resists overturning of joist |
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Definition
| diagonal bracing, moment bracing, shear bracing: three building stabilization methods against lateral forces of wind and earthquakes |
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Definition
| absorbs energy during an earthquake to protect the building from collapsing; used in earthquake prone regions |
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Definition
| method used to shape a structural tee |
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Definition
| method used to shape a typical steel door frame |
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Definition
| method used to shape a typical aluminum storefront section |
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Definition
| first cast iron and glass building; 1851; Joseph Paxton; London, England; |
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Term
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Definition
| first wrought iron building; 1887-1889; Paris, France; Gustave Eiffel; prefab steel structure |
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Definition
| first steel building; 1893; Chicago, Illinois; William LeBaron Jenney |
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Term
| primary metals of construction |
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Definition
| aluminum (weather resistance), copper (plumbing systems), steel (strengths) |
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Term
| three terms used for structural hierarchy |
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Definition
| primary (beams, columns), secondary (joists), tertiary (decking) |
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Term
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Definition
| iron (98%), carbon (controls hardness), copper (resistance to weathering), chromium (for stainless steel) |
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Definition
| eliminates flaws and is used to make structural shapes such as wide-flange beams and channels |
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Definition
| increases strength but decreases ductility |
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