Structural Steel Detailing Pt. 5

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Structural Steel Detailing Pt. 5
2011-12-28 12:51:45
Construction Structural Steel Detailing

From the glossary of Detailing For Steel Construction Second Edition
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  1. The serial number assigned to each different item that is ordered from the rolling mills and steel distribution center.
    Item number
  2. To add the item numbers and other mill information to a shop bill.
  3. The location where a structure is to be erected
    Job site
  4. Area where two or more ends, surfaces or edges are attached. Categorized by type of fastener or weld used and method of force transfer.
  5. A system of diagonals used in a braced frame in which the pattern of the diagonals resembles the letter K, either normal or on its side.
    K bracing
  6. The width of material removed during the process of cutting a steel member by torch or saw.
  7. A term relating to force. One kip equals 1,000 pounds.
  8. A term referring to the shipping in smaller manageable sections of structural steel those members that are too large or heavy to ship in one piece.
    Knock down
  9. A large screw for wood with a square head to be turned with a wrench.
    Lag screw
  10. In layers, as a steel member built of several thinner pieces bolted together.
  11. Sidewise or at right angles to the weak principal axis.
  12. A member utilized individually or as a component of a lateral bracing system to prevent buckling of members or elements and/or to resist lateral loads.
    Lateral bracing member
  13. The marking of steel from templates or otherwise, indicating where holes are to be punched or drilled and where cuts are to be made.
    Laying out
  14. A preliminary drawing or sketch by means of which distances may be determined by scaling.
  15. A member is so marked when made exactly opposite to a corresponding member marked "right"' the latter being represented on the drawing. Also, means left of sketch when applied to a shipping mark.
  16. One of the two steel flanges or parts of an angle. Also, the distance from the root to the toe of a fillet weld.
  17. Condition in which a structure or component becomes unfit for service and is judged to be no longer useful for its intended function (in the case of a serviceability limit state) or to be unsafe (in the case of a strength limit state). Limits of structural usefulness such as excessive deformation, strength, durability, fatigue, instability and serviceability.
    Limit state(s)
  18. Pertaining to line or to length. A linear dimension usually is one measured parallel to the length of the member.
  19. Loads from occupants and contents of the building, elevators, certain types of machinery or equipment stored in the structure.
    Live loads
  20. In LRFD a factor that accounts for unavoidable deviation of the actual load from the nominal load and for uncertainties in the analysis that transforms the load into a load effect.
    Load factor
  21. Forces or other actions that arise on structural systems from the weight of all permanent construction, occupants and their possessions, environmental effects, differential settlement and unrestrained dimensional changes. Permanent loads are these loads in which variations in time are rare or of small magnitude. All other loads are variable loads.
  22. A method of proportioning structural components (members, connectors, connecting elements and assemblages) such that no applicable limit state is exceeded when the structure is subject to all appropriate load combinations.
    LRFD (Load and Resistance Factor Design)
  23. A small projecting connection, as a connection angle or plate.
  24. A type of contract wherein payment is based upon satisfactory completion of a specific amount of work explicitly shown on the contract documents.
    Lump sum
  25. A bearing plate placed on masonry
    Masonry plate
  26. A system whereby structural steel members too large or heavy to ship are fabricated in smaller sections which are assembled in the shop for fitting or reaming connections. After each field splice is given an individual identifying mark to enable the erector to assemble the sections in the same manner as they are in the shop, the piecies are disassembled and shipped to the site.
  27. A part of a structure which is assembled completely in the shop and shipped to the site where it is combined with other members.
  28. The plant in which plates and shapes are produced. Also, to plane the end of a member by means of a rotary planer or milling machine.
  29. A steel-framed building with a roof of comparatively large pitch and span, but usually without partitions, intermediate floors or interior bracing, except knee braces.
    Mill building
  30. Documents furnished by steel producers to show the results of physical and chemical tests for steel produced.
    Mill test reports
  31. A term used to describe permissible deviations from the published dimensions of shapes and plates listed in mill catalogs and the AISC Manual of Steel Construction.
    Mill tolerance
  32. Rolling and cutting tolerances in size or length as practiced in the rolling mills.
    Mill variation
  33. A surface that has been finished to a true plane by sawing, milling, or any acceptable means that produces such a finish.
    Milled surface
  34. A machine for milling or planing the end of a member.
    Milling machine
  35. A joint in which the angle between the connected parts is bisected by the plane of contact.
    Mitered joint
  36. The ratio of stress to strain in the elastic range, designated by the letter E.
    Modules of elasticity
  37. A term referring to the bending or rotating effect of an eccentric force upon a member or joint. The rotation may be clockwise or counterclockwise. Moment is the product of a force expressed in units of weight (kips or pounds) times a distance expressed in units of length (feet or inches), such as kip-feet, pound-inches, etc.
  38. A graphical depiction of the magnitude of the bending effects at any point along the length of a beam, girder or column.
    Moment diagram
  39. A value used in determining the resistance of material to flexure and torsion.
    Moment of inertia
  40. The raised portion of a roof of a mill building or similar structure, arranged to provide additional ventilation or light through the louvers or windows in the sides.
  41. A machine arranged to punch two or more holes simultaneously.
    Multiple punch
  42. A strip of wood bolted to a steel beam or other member, to which wooden flooring or sheathing is nailed.
    Nailing strip
  43. During a test in a tension machine of a bar of steel, the perceptible thinning of the bar prior to rupture. It occurs when the bar continues to elongate despite a drop in the stress required to continue the elongation.
  44. The reduced area in a cross section in which the rectangular areas of all bolt holes and other material removal cut by the section are deducted from the gross area of the member or part of member under consideration.
    Net area or Net section
  45. In LRFD the magnitude of the loads specified by the applicable code.
    Nominal loads
  46. In LRFD the capacity of a structure or component to resist the effects of loads, as determined by computations using specified material strengths and dimensions and formulas derived from accepted principles of structural mechanics or by field tests or by laboratory tests of scaled models, allowing for modeling effects and differences between laboratory and field conditions.
    Nominal strength
  47. The length of a steel piece as ordered from the mill or steel distribution center.
    Ordered length
  48. The method of representing the exact shape of an object in two or more views on planes generally at right angles to each other by dropping perpendicular projections from the object to the plane.
    Orthographic projection
  49. Abbreviation for outstanding leg of an angle.
  50. That part of the welding symbol above the reference line, which describes the weld to be placed on the side of the joint opposite from the side to which the arrow points.
    Other side