The advantage of prestressed concrete deck bulb tee (DBT) girder bridges is the speed of construction, since no separate decking is required. However, the performance of the connection between girders has been a primary concern.
The TRB National Cooperative Highway Research Program's NCHRP Research Report 999: Design and Construction of Deck Bulb Tee Girder Bridges with UHPC Connections presents an evaluation of prestressed concrete DBT girder bridges with ultrahigh-performance concrete (UHPC) connections.
National Academies of Sciences, Engineering, and Medicine. 2022. Design and Construction of Deck Bulb Tee Girder Bridges with UHPC Connections. Washington, DC: The National Academies Press. https://doi.org/10.17226/26644.
Chapters | skim | |
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Front Matter | i-viii | |
Chapter 1 - Background | 1-29 | |
Chapter 2 - Analytical Approach and Results | 30-55 | |
Chapter 3 - Experimental Testing | 56-104 | |
Chapter 4 - Potential Modifications to AASHTO Specifications | 105-111 | |
References | 112-116 | |
Appendix A - Cohesive Modeling Parameters | 117-118 | |
Appendix B - Traction-Separation Failure Model | 119-122 |
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