1. Basic System - Post & Beam (skeleton frame) and space frames.
5.Basic Structural Steel Shapes (Hot-rolled):
In general, structural steel is fabricated in a hot-rolled process under several ASTM designations, the most common being A36. This steel has a minimum yield stress of 36 KSI and a minimum ultimate (breaking) stress of 58 KSI. Many other grades are available, with A572 - 50 KSI yield stress as a choice for higher strength. A new steel grade A992 has recently replaced A572 and A36 (for W sections) as the standard grade. Like A572, it also has a yield stress of 50 KSI.
1.Wide Flange - The typical "I Beam" used in construction. Example - W18x35, where "W" = Wide flange, 18 = nominal depth of member in inches, and 35 = weight of beam in pounds per linear foot. Used for beams, columns, piles, bracing and other heavy applications.
2.Angles - Either equal legs or unequal legs. Example - L4x3x1/4 where 4 and 3 are the actual leg dimensions in inches and 1/4 = angle thickness in inches. Used for lintels, bracing, built-up beams and columns, secondary framing and other light-duty applications.
3.Steel Channels - These "C" shaped members are used for beams, built-up columns, bracing, secondary framing and other light to medium-duty applications. An example of a channel is C10x30 where "C" indicates channel, 10 is the actual height of the channel in inches, and 30 = pounds per linear foot.
6.conncections:
5.Basic Structural Steel Shapes (Hot-rolled):
In general, structural steel is fabricated in a hot-rolled process under several ASTM designations, the most common being A36. This steel has a minimum yield stress of 36 KSI and a minimum ultimate (breaking) stress of 58 KSI. Many other grades are available, with A572 - 50 KSI yield stress as a choice for higher strength. A new steel grade A992 has recently replaced A572 and A36 (for W sections) as the standard grade. Like A572, it also has a yield stress of 50 KSI.
1.Wide Flange - The typical "I Beam" used in construction. Example - W18x35, where "W" = Wide flange, 18 = nominal depth of member in inches, and 35 = weight of beam in pounds per linear foot. Used for beams, columns, piles, bracing and other heavy applications.
2.Angles - Either equal legs or unequal legs. Example - L4x3x1/4 where 4 and 3 are the actual leg dimensions in inches and 1/4 = angle thickness in inches. Used for lintels, bracing, built-up beams and columns, secondary framing and other light-duty applications.
3.Steel Channels - These "C" shaped members are used for beams, built-up columns, bracing, secondary framing and other light to medium-duty applications. An example of a channel is C10x30 where "C" indicates channel, 10 is the actual height of the channel in inches, and 30 = pounds per linear foot.
6.conncections:
Light Gauge Steel Framing:
Light gauge steel framing members are used to frame walls, headers, joists, and lintels - everything that conventional wood-framing members would be used for. Most state building codes dictate that non-combustible construction be used for certain type facilities and wood framing members may NOT be used. These light gauge members are cold-rolled (similar to steel deck) sheet metal products that are available from various manufacturers in "C" shaped members in gages typically ranging from 12 gage up to 26 gage. They are fastened and assembled by use of self-tapping screws and spot-welding.
Thanks for sharing the valuable information.
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ReplyDeletewhat is the typical spacing between 'filler beams' - I know it depends on the amount of loading and a little bit on the beam depth, i just want a guiding number
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