NEW MEANS & METHODS for BRIDGE OVERHANG CONSTRUCTION aka Stay-in-Place Precast Fascia Form October 2, 2018 1
2 Overview • General Components • Panel Types • Panel Lengths • Soffit Widths • Reinforcement • Hardware October 2, 2018
General Components Upper Stud Inserts Primary Tie Front Face Lower Stud Inserts Secondary Tie Notch Soffit 3 October 2, 2018
February 16, 2017 Panel Types – Cross Sectio
Panel Types – Cross Sections (con’t) October 2, 2018 5
Soffit Width Considerations: - 0” at wing walls or moment slabs. - Standard Widths < 2’-0” - > 2’-0” - Diagonal tie deck penetration - Strut introduction? - Top flange torsional analysis - 4’-0” max. - Varied 6 October 2, 2018
Forms & Reinforcement October 2, 2018 7
− Standard Length = 5’-0” − NYSDOT Standards for control joint spacing. − Contract control joint spacing. − Max. Length (suggested) = 8’-0” − Considerations − Crack Control − Shrinkage − Curvature − Vectorially − Varied Radii − Camber Panel Length October 2, 2018 8
Hardware Variations Stiff Strut-Tie Flexible Strut-Tie 9 October 2, 2018
Tie Connection Detail - Embeds • Note: Lubricate Thread at end of tie rod and install plastic sleeve around rod in deck pour for tie rod removal above sleeve nut. October 2, 2018 10
Frontage Road Structure (FRS) – Span 9 October 2, 2018 11
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Panel Shake- Out 14
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Bridge L29 October 2, 2018 19
20 • Layout • Landing • Connecting • Adjusting • Joint Treatment • Studs • Tie Removal Erection October 2, 2018
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Alternate Secondary Tie October 2, 2018 22
October 2, 2018 23
Deck Reinforcement February 16, 2017 24
October 2, 2018 25
February 16, 2017 26
October 2, 2018 27
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29 October 2, 2018 SLIP FORM
October 2, 2018 30
Stay-in-Place Precast Fascia Form 31 February 16, 2017
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