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Reading Structural Drawings

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Reading Structural Drawings

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Reading Structural Drawings

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  1. Reading Structural Drawings Nicole Baer, P.E. President, Structural Engineering Institute – Maryland Chapter October 2011

  2. Typical Drawing Order • General Information • Site/Civil • Landscape • Architectural • Structural • Mechanical • Electrical • Plumbing

  3. Typical Discipline Drawings • 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

  4. Which Plan Do I Need? • Architect • Plans through middle, looking down • MEP Engineer • Plans through middle, looking up • Structural Engineer • Plans at floor, looking down

  5. Structural Drawing Symbols • Symbols • Identity Symbols • Moment Connection • Line Symbols • Pinned Connection • Cantilever • Hidden Line Supports Below • Solid Line Supports Above • Material Symbols • Reference Symbols • Text Symbols

  6. Structural Notes and Specifications • General Information • Codes, Symbols, Basis of Design • Design Loads • Live Loads • Dead Loads • Wind Loads • Seismic Loads • Strength of Materials

  7. PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size

  8. PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size

  9. PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size

  10. PLAN #1 – Foundation Plan • Spread Footing • Soil Capacity, Footing Depth, Footing Size

  11. PLAN #1 – Foundation Plan • Deep Foundations • Caissons, Piles with Pile Caps, H-Piles, Micro-piles

  12. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types

  13. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types STEEL SHAPE: W: Wide Flange (I-Beam) 18: 18” Height 46: 46 plf STEEL JOIST: 20: 20” Height LH: Long Span

  14. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types T.O.S. = Top Of Steel (Actual) W18 is 5” BELOW REFERENCE No Call Out = At REFERENCE

  15. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Moment Connection Pin Connection (Same Elevations) Pin Connection (Diff Elevations)

  16. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Moment Connection

  17. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Pinned Connection, Same Elevation

  18. PLAN #2 – Floor Plan • Steel Framing • Steel Sizes, Elevations, Connection Types Pinned Connection, Diff Elevations OR:

  19. PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations

  20. PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations

  21. PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations #5@12 T: 5/8” diameter bars, 12” on center, Top layer 180 Deg Hook Bars

  22. PLAN #2 – Floor Plan • Concrete Framing • Beam Sizes, Slab Reinforcing, Relative Elevations

  23. Typical Details • 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….

  24. Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade

  25. Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade

  26. Sections • Project Specific Information • Exterior Wall to Framing • Stairwells and Openings • Exterior Grade

  27. Schedules • Types of Schedules • Column Schedules – Steel, Concrete • Beam Schedules – Concrete, Sometimes Steel • Footing Schedules • Pier Schedules • Shear Wall Schedules • Method of Scheduling, General • Assign a “Mark” (B-1) • Refer to Schedule for Size, Reinforcing, Lengths • Refer to Typical Detail for Definitions

  28. Schedules • Column Schedules • Vertical Extent • Foundation Elevation • Splice Locations

  29. Reading Structural Drawings Questions?