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psithurismaccountantUrban and Civil

Nov 29, 2013 (3 years and 7 months ago)

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1


Course Outline

Structural Drafting


Learning Outcomes



Course Objectives:


The learning outcomes for this course are consistent with the requirements outlined in the National Occupational
Skill Standards, the American National Standards Institute (ANS
I), the International Organization for
Standardization (ISO) and the American Institute of Steel Construction (AISC).



Drafting equipment and drafting procedures








Explain the use of CAD in structural drafting








Define structural drafting








Ident
ify the different types of structural drawings








Name the preferred style of lettering for structural drawings as recommended by the AISC and create a text style
using CAD








Explain what types of lines are used for border lines, object lines, invisib
le lines, dimension and extension lines,
match and gage lines, and center lines








Create layers and assign proper line types and line weights for border lines, object lines, invisible lines,
dimension and extension lines, match and gage lines, and cente
r lines








Describe cutting lines, short break and long break lines








List the general guidelines for the size of lettering used on structural drawings








Identify the AISC standard for forming fractions








Define structural steel sections








Pr
epare structural steel full, partial, and offset sections








Describe the proper proportions, type, and size preferred for arrowheads on structural drawings and create a
dimensioning style using CAD








List and identify the common dimensional units and

drawing scales used for structural steel drawings







Structural steel








Use the American institute of steel construction’s manual of steel construction for determining structural steel
shape designations and dimensions








List the structural steel

shapes available and their symbols (beams, channels, angles, z
-
bars, and round tubular
sections)








Draw assigned structural steel shapes as specified in the AISC Steel Construction Manual








Describe the usual method of billing and sketching structur
al steel shapes on shop drawings








Define the terms “yield stress” and “tensile strength” as they relate to the physical properties of structural steel








Define the term “mill tolerance”







Detailing and fabricating structural steel








Sketch an

organizational chart for a typical structural CAD department








Write a job description for an entry level structural CAD technician








List the primary duties of a junior CAD technician, a CAD technician, a senior CAD technician, a checker, and a
dra
fting manager in a typical structural CAD department








Explain the original drawing process, the checking process, the correcting process, and the revising process in
structural CAD








Define the terms “advance bill” and “shop bill”








Prepare advan
ce bills and shop bills for a given structural project








Describe the bill of materials, its function, and the information, which it should contain.



2

Course Outline

Structural Drafting


Learning Outcomes





Define and describe the following types of dra
wings: design drawings, details, erection plans, and shop
drawings








Explain the procedures followed in preparing design drawings, details, erection plans, and shop drawings








Explain the AISC system of marks, index sheets and sheet numbers








Def
ine structural steel fabrication details








Explain the methods of assigning marks to the various structural members on design and framing drawings,
shop drawings, and for shipping and erections







Fundamentals of structural engineering








Explain
the types of loads which act on structures (live, dead, wind, and snow loads)








Name and explain the types of stress which act on structural members (tension, compression, and shear)








Define the terms beam, reactions, moment, and equilibrium








De
fine and sketch an example of a simple beam, fixed beam, a cantilever beam, and a continuous beam








Define the terms “uniform load” and “concentrated load” and sketch an example of each








Write the mathematical formulas for the laws of equilibrium as

presented in this course








Calculate the end reactions of a simple beam having a uniform load using the AISC Manual of Steel
Construction








Calculate the end reactions of a simple beam having a concentrated load








Define the term “bearing stress”







Connections
-
bolted








Name the fastening methods employed in steel construction (bolting, riveting, and welding)








Name and explain the two main types of beam
-
to
-
beam and beam
-
to
-
column connections








List and describe the two types of seated

beam connections: unstiffened and stiffened








Explain the application of bolted, welded, riveted, split ring and shear plate connections in structural steel
framing








Define the terms unfinished bolt, machine bold, plain bolt and common or rough bo
lts.








Describe the ASTM A325 and the ASTM A490 high strength bolts used in field and shop connections








Sketch the symbols to represent the various types of shop bolts and field bolts used on structural steel drawings








Describe how bolt and hole

sizes are specified on a structural steel drawing








Define the term bolt pitch








Calculate the diameter of a high strength bolt in single shear and double shear given a load








Calculate the number of high strength bolts needed in a simple beam co
nnection given a load








Calculate the proper location and pitch of bolts for a given standard connection








Calculate the size and number of bolts in a connection using the AISC Manual of Steel Construction for a given
beam







Structural Steel Draw
ings








Construct structural steel framing plans according to engineering specifications








Prepare a design drawing for a framing project including notes, dimensions, and loads needed for the
preparation of shop drawings by the structural detailer








Prepare a part plan drawing from a design drawing. Include all notes, dimensions, and information required to
prepare shop drawings of the structural components








Define the term “gage lines” and the importance of maintaining consistent gage of struc
tural members








Describe why it is important to maintain minimum edge distance for bolts and bolt holes








Using the AISC Manual of Steel Construction determine the edge distance for a given connection detail


3

Course Outline

Structural Drafting


Learn
ing Outcomes





Describe the following features: copes, blocks, and cuts








Calculate the “cut” dimensions for a beam
-
to
-
beam connection with “flush tops”








Explain why and what types of assembly clearances are required between beams and columns and b
etween
beams and beams








Calculate the “set
-
back” dimensions for a beam to beam connection








Prepare a shop drawing of a beam including beam gages, cope cuts, set
-
back dimensions, edge distances,
shipping marks, billing, and notes








Prepare a conn
ection detail of a beam to beam bolted connection








Prepare a connection detail of a beam to column bolted connection







Connections
-
welded








Describe the gas, arc, and resistance welding processes








Identify and draw the five basic welded joi
nts (butt. Lap, tee, corner, and edge)








Identify the eight basic parts of an AWS (American Welding Society ) standard weld symbol








Draw an AWS Standard weld symbol given a weld specification








Describe the basic weld types (fillet, groove, plug,

spot, seam, and surface welds) and their corresponding weld
symbol








Prepare a connection detail of a beam to beam welded connection








Prepare a connection detail of a beam to column welded connection







Columns








Describe the term levels








Prepare a base plate drawing for a column








Calculate the type, size, and number of anchor bolts for a column connection using the AISC Manual of Steel
Construction








Construct an anchor bolt plan for a given structural steel framing plan








Cons
truct a shop drawing of a column for a given structural steel framing plan








Describe how right
-
hand and left
-
hand views of detail material are drawn or indicated








Describe how rights and lefts of whole shipping pieces are noted by fabricating shops