Texas DOT Experience with Prefabricated Bridge ... - MCEER

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Grouted Vertical Ducts • Technique – steel corrugated ducts embedded in cap to house column connectors • Advantages – inexpensive stay-in-place ducts – minimal reinforcement congestion – limited exposed top surface – minimal volume of grout • Disadvantages – more difficult grout placement
Bolted Connection • Technique – ducts embedded in cap house threaded rods tensioned at the top surface • Advantages – cap setting via leveling plates/nuts – post-tensioning option – resistance to larger moments • Disadvantages – more difficult grouting operations – protecting/recessing top anchorage
Page 1: Texas DOT Experience with Prefabric
Page 7 and 8: Benefits of Prefabricated Construct
Page 10 and 11: Redfish Bay Precast Caps Nueces Cou
Page 18 and 19: Pierce Elevated Freeway Bridge Repl
Page 20: Pierce Elevated • Precast deck pa
Page 25 and 26: Sponsored Research •Various conne
Page 27: Grout Pockets • Technique - preca
Page 32 and 33: Serviceability Guidelines • beddi
Page 34 and 35: Connection Details • min. connect
Page 36 and 37: Research Report 1748-2 • Contains
Page 39: Lake Ray Hubbard Precast Caps Rockw
Page 47 and 48: Plan View of Project PHASE 1 CONSTR
Page 49 and 50: Cross-Section of New Structure
Page 51 and 52: Bent Cap Design
Page 53 and 54: Service Level Section Behavior Crit
Page 55 and 56: Precast Connection Design
Page 57 and 58: Cap Fabrication • Construction ac
Page 59 and 60: Concrete Specification Requirements
Page 61 and 62: Concrete Work Plan • Type III Por
Page 63 and 64: 5’x5’ Connection Block Mock-Up
Page 65 and 66: Concrete Mix Results • 8” Slump
Page 67 and 68: Grout Mixing
Page 69 and 70: Flow Cone Test
Page 71 and 72: Bedding Layer Evaluation
Page 77 and 78: Storage
Page 79:
Cap Placement
Page 86 and 87:
LP340/SH6 at IH35 Complete Prefabri
Page 88 and 89:
Construction Sequence
Page 90 and 91:
Closure Strip
Page 92 and 93:
Simulated Bearing Seats
Page 94 and 95:
Transverse Screed
Page 96:
Forming Closure Strips
Page 102:
Remove Form
Page 105 and 106:
Research Project 4122 “Developmen
Page 107 and 108:
Prefabricated Columns
Page 110:
Elevation Control
Page 114:
Texas State Historic Railroad Bridg
Page 120:
Double Tee Connection
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Texas DOT Experience with Prefabricated Bridge ... - MCEER

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