STRUCTURES DESIGN GUIDELINES

1 FLORIDA DEPARTMENT OF TRANSPORTATIONSTRUCTURES DESIGNGUIDELINESSTRUCTURES MANUALVOLUME 1 JANUARY 2018 STRUCTURES DESIGN GuidelinesTopic No. 625-020-018 Table of ContentsJanuary 2018iStructures Manual HomeTable of Contents Table of Contents .. 1-i Introduction.. General .. Format .. Cross References .. I-1 Table Cross Reference between AASHTO LRFD & SDG.. I-2 Table Cross Reference between AASHTO LRFD-MHBD & SDG.. I-51 General Requirements .. General .. DESIGN Review.. Substructure and Superstructure Definitions.

2 Clearances (Rev. 01/18) .. 1-1 Figure Vertical Clearance Schematic for Prestressed Beams/Girders .. Bridge Height Classifications.. Buy America Provisions.. ADA on Bridges.. DESIGN Life.. Welding of Aluminum Pedestrian/Bicycle Railings .. Deflection and Span-to-Depth Ratios [ ] (Rev. 01/18).. Environmental Classifications .. General .. Classification Criteria.. 1-5 Table Criteria for Substructure Environmental Classifications .. Chloride Content .. 1-7 Table Chloride Intrusion Rate/Environmental Classification.

3 1-7 Figure Flow Chart for Environmental Classification of STRUCTURES .. Concrete and Environment [ ] .. General (Rev. 01/18).. Concrete Cover (Rev. 01/18).. 1-9 Figure End Bent (All Environments) .. 1-10 Figure Piers (All Environments) (1 of 3) .. 1-10 Figure Piers (All Environments) (2 of 3) .. 1-11 Figure Piers (All Environments) (3 of 3) .. 1-11 Figure Pier Cap and Intermediate Bent (All Environments).. 1-12 Figure Cast-in-Place Deck / Beam Supported Superstructure (All environments).

4 1-12 Table Concrete Cover .. Class and Admixtures .. 1-14 Table Structural Concrete Class Requirements .. 1-14 Table Concrete Classes and Strengths.. Mass Concrete .. 1-16 Figure Mass Concrete for Pier and Expansion Joint Segments .. Concrete Surface Finishes .. Existing Hazardous Material (Rev. 01/18).. 1-19 STRUCTURES DESIGN GuidelinesTopic No. 625-020-018 Table of ContentsJanuary 2018iiStructures Manual Post-Installed Anchor Systems .. General .. Adhesive-Bonded Anchors and Dowels Systems (Rev.)

5 01/18).. 1-20 Figure Effective Tensile Stress Areas of Adhesive Anchors .. 1-26 Figure Effective Shear Stress Areas of Adhesive Anchors.. Undercut Anchor Systems.. Load Rating.. Post- DESIGN Services .. Miscellaneous Attachments to Bridges .. 1-29 Figure Special Details for Attaching Miscellaneous Items to Traffic Railings .. Limitations on Bridge Skew Angle.. Post-Tensioning [5] .. General (Rev. 01/18).. 1-31 Table Minimum Clearance Requirements at Anchorages for Replaceable Strand and Wire Tendons.

6 1-32 Figure Jack Envelope Dimensions for DESIGN and Detailing .. 1-33 Table Jack Envelope Dimensions for DESIGN and Detailing .. Corrosion Protection .. DESIGN Values (Rev. 01/18).. Ducts (Rev. 01/18).. 1-37 Table Maximum Duct External Dimensions for Detailing .. 1-39 Table Minimum Duct Radius and Tangent Length .. 1-40 Figure Minimum Duct Radius and Tangent Length Adjacent to Anchorages .. 1-40 Figure Layout of Internal Tendons with Segmental Duct Couplers .. Tendon DESIGN (Rev.)

7 01/18) .. 1-42 Figure Support Hinge Locations .. Integrated Drawings .. Erection Schedule and Construction Sequence .. Fire Suppression Systems .. Methods of Structural Analysis (Rev. 01/18).. 1-452 Loads and Load Factors .. General .. Load Factors and Load Combinations [ ] .. Live Loads [ ].. Dead Loads (Rev. 01/18) .. 2-1 Table Miscellaneous Dead Loads .. Seismic Provisions [ ][ ][ ] .. General (Rev. 01/18).. Seismic DESIGN for Widenings.. Lateral Restraint .. Wind Loads.

8 Wind Loads on Completed STRUCTURES : WL and WS [ ] (Rev. 01/18).. 2-6 Table DESIGN Wind Speed, V .. 2-6 STRUCTURES DESIGN GuidelinesTopic No. 625-020-018 Table of ContentsJanuary 2018iiiStructures Manual Wind Loads on Other STRUCTURES .. Wind Loads During Construction [ ] (Rev. 01/18).. 2-7 Table Load Factors and DESIGN Wind Speed During Construction.. 2-7 Table Drag Coefficient During Construction .. 2-8 Table Drag Coefficient During Construction: Single Brace or Cross-Frame DESIGN .

9 Wave Loads .. Vehicular Collision Force [ ] .. General (Rev. 01/18).. End Bents and Retaining Walls.. New STRUCTURES Over or Adjacent to Roadways .. Roadway Work Beneath or Adjacent to Existing STRUCTURES (Rev. 01/18). Widening of Existing STRUCTURES Over or Adjacent to Roadways.. Traffic Railings Adjacent to Bridge Structural Components (Rev. 01/18) . STRUCTURES Over or Adjacent to Railroad and Light Rail Tracks.. DESIGN and Analysis Methods.. Force Effects due to Superimposed Deformations [ ].

10 Uniform Temperature .. 2-16 Table Temperature Range by Superstructure Material .. Temperature Gradient [ ] .. Barriers and Railings [ ].. Distribution for Beam-Slab Bridges .. Limit State Checks [ ][ ][ ].. Live Load Distribution Factors [ ][ ] (Rev. 01/18).. Redundancy and Operational Importance [ and ] (Rev. 01/18).. Vessel Collision [ ].. General [ ].. Research and Information Assembly.. DESIGN Vessel [ ][ ] .. DESIGN Methodology - Damage Permitted [ ] .. Widenings.