Precast segmental concrete bridges a
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This document provides an overview of the setup and operations of a precast segmental casting yard for the Tukwila Link Light Rail Project. It describes the layout of the yard including areas for casting typical segments, pier segments, and balanced cantilever segments using matchcasting forms and rebar jigs. It also discusses the daily operations for casting different segment types and storing segments before shipping them to the construction site for erection.
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Precast segmental concrete bridges a
- 1. A 2007 pictorial review of a precast segmental yard setup Arthur Palmer, Parsons Brinckerhoff
- 2. Topics — Overview of Tukwila Link Light Rail Project — Cashmere Casting Yard — Casting Yard Layout — Geometry Control Basics — Daily Operations — Span-‐by-‐Span -‐ Typical Segment Casting — Span-‐by-‐Span -‐ Pier Segment Casting — Balanced Cantilever -‐ Segment Casting — Storage Yard — Shipping — Site Erection — Other Segmental Projects — Other Casting Yards Arthur Palmer, Parsons Brinckerhoff
- 3. Tukwila Link Light Rail — Owner: Sound Transit Authority — Design Engineer: Hatch Mott MacDonald — Bridge Designer: International Bridge Technologies — Construction Manager: Parsons Brinckerhoff Construction Services — Contractor: PCL Civil Constructors, Inc. — Construction Engineer: T.Y. Lin International — Precaster: Bethlehem Construction — Post-‐Tensioning Supplier: Schwager Davis, Inc. Arthur Palmer, Parsons Brinckerhoff
- 4. Types of Precast Segmental Construc;on — Span-‐by-‐Span Construction — Majority Are 120’ Simple Span Structures — All Precast Concrete Components — Balanced Cantilever Construction — Multi-‐Span Structures — CIP Main Piers — Remaining Components are Precast Concrete Arthur Palmer, Parsons Brinckerhoff
- 5. Cas;ng Yard Layout (5) Typical Matchcasting Forms (5) Typical Rebar Jigs (2) Pier Matchcasting Forms (2) Pier Rebar Jigs (2) Balanced Cantilever Matchcasting Forms (2) Balanced Cantilever Rebar Jigs Arthur Palmer, Parsons Brinckerhoff
- 6. Matchcast Forms & Rebar Jigs Arthur Palmer, Parsons Brinckerhoff
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- 23. Pier Segments & Rebar Jigs Arthur Palmer, Parsons Brinckerhoff
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- 34. Balanced Cantilever Segments & Rebar Jigs Arthur Palmer, Parsons Brinckerhoff
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- 46. Typical Casting Arthur Palmer, Parsons Brinckerhoff
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- 59. Pier Casting Arthur Palmer, Parsons Brinckerhoff
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- 74. Balanced Cantilever Casting Arthur Palmer, Parsons Brinckerhoff
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