Reading Structural Drawings

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Nov 25, 2013 (3 years and 4 months ago)

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Reading Structural Drawings

Nicole Baer, P.E.

President, Structural Engineering Institute


Maryland Chapter

October 2011






General Information


Site/Civil


Landscape


Architectural


Structural


Mechanical


Electrical


Plumbing

Typical Drawing Order






General Information


Codes, Symbols, Basis of Design


Plans


Foundation, Floors, Roof


Elevations


Height and Exterior Finish


Sections


Wall Type, Framing Direction


Details


Connections, Typical Conditions


Schedules


Column Type, Beam Types

Typical Discipline Drawings






Architect


Plans through
middle, looking
down



MEP Engineer


Plans through
middle, looking up



Structural
Engineer


Plans at floor,
looking down

Which Plan Do I Need?






Symbols


Identity Symbols


Moment Connection


Line Symbols


Pinned Connection


Cantilever


Hidden Line Supports Below


Solid Line Supports Above


Material Symbols


Reference Symbols


Text Symbols

Structural Drawing Symbols






General Information


Codes, Symbols,

Basis of Design



Design Loads


Live Loads


Dead Loads


Wind Loads


Seismic Loads



Strength of Materials

Structural Notes and Specifications






Spread Footing


Soil Capacity, Footing Depth, Footing Size

PLAN #1


Foundation Plan






Spread Footing


Soil Capacity
, Footing Depth, Footing Size

PLAN #1


Foundation Plan






Spread Footing


Soil Capacity,
Footing Depth
, Footing Size

PLAN #1


Foundation Plan






Spread Footing


Soil Capacity
, Footing Depth,
Footing Size

PLAN #1


Foundation Plan






Deep Foundations


Caissons, Piles with Pile Caps, H
-
Piles, Micro
-
piles

PLAN #1


Foundation Plan






Steel Framing


Steel Sizes, Elevations, Connection Types

PLAN #2


Floor Plan






Steel Framing


Steel Sizes
, Elevations, Connection Types

PLAN #2


Floor Plan

STEEL SHAPE:

W: Wide Flange (I
-
Beam)

18: 18” Height

46: 46
plf

STEEL JOIST:

20: 20” Height

LH: Long Span






Steel Framing


Steel Sizes
,
Elevations
, Connection Types

PLAN #2


Floor Plan

T.O.S.

= Top Of Steel (Actual)


W18 is
5”

BELOW
REFERENCE

No Call Out = At
REFERENCE






Steel Framing


Steel Sizes
,
Elevations
,
Connection Types

PLAN #2


Floor Plan

Moment Connection


Pin Connection (Same
Elevations
)




Pin Connection (Diff
Elevations)







Steel Framing


Steel Sizes
,
Elevations
,
Connection Types

PLAN #2


Floor Plan

Moment Connection










Steel Framing


Steel Sizes
,
Elevations
,
Connection Types

PLAN #2


Floor Plan

Pinned Connection, Same
Elevation










Steel Framing


Steel Sizes
,
Elevations
,
Connection Types

PLAN #2


Floor Plan

Pinned Connection, Diff
Elevations



OR:







Concrete Framing


Beam Sizes
,
Slab Reinforcing
, Relative Elevations

PLAN #2


Floor Plan






Concrete Framing


Beam Sizes
,
Slab Reinforcing
, Relative Elevations

PLAN #2


Floor Plan






Concrete Framing


Beam Sizes
,
Slab Reinforcing
, Relative Elevations

PLAN #2


Floor Plan

#5@12 T:

5
/8” diameter bars,

12
” on center,

T
op layer


180
Deg

Hook Bars






Concrete Framing


Beam Sizes
,
Slab Reinforcing
,
Relative Elevations

PLAN #2


Floor Plan






Repeating Information


Width of Slab “Strips”


Define “Standard” Steel Connections


Slab on Grade Details


Wall Brace Details


Joist to Beam Connections


Define Column Bases


Define Bearing Plates


Column Tie Layouts


Lintel Sizes


Concrete Beam Depth and Flange Defined


Footings with Pier Construction


Interior Column Isolation Joints

The List Goes On….


Typical Details






Project Specific
Information



Exterior Wall to
Framing



Stairwells and
Openings



Exterior Grade


Sections






Project Specific
Information



Exterior Wall to
Framing



Stairwells and
Openings



Exterior Grade


Sections






Project Specific
Information



Exterior Wall to
Framing



Stairwells and
Openings



Exterior Grade


Sections






Types of Schedules


Column Schedules


Steel, Concrete


Beam Schedules


Concrete,
Sometimes Steel


Footing Schedules


Pier Schedules


Shear Wall Schedules



Method of Scheduling, General

1.
Assign a “Mark” (B
-
1)

2.
Refer to Schedule for Size,
Reinforcing, Lengths

3.
Refer to Typical Detail for
Definitions


Schedules






Column Schedules


Vertical Extent


Foundation Elevation


Splice Locations


Schedules





Reading

Structural Drawings

Questions?