Alternative ABC Connection for Connecting Precast Column to Cap Beam Using UHPC

Shafieifar, Mohamadreza; Florida International University. Department of Civil and Environmental Engineering

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Alternative ABC Connection for Connecting Precast Column to Cap Beam Using UHPC

2018-06-01
By Shafieifar, Mohamadreza

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English

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Details:

Creators:

Shafieifar, Mohamadreza
Corporate Creators:

Florida International University. Department of Civil and Environmental Engineering
Contributors:

Azizinamini, Atorod
Corporate Contributors:

Accelerated Bridge Construction University Transportation Center (ABC-UTC) ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; University Transportation Centers Program (U.S.)

Accelerated Bridge Construction University Transportation Center (ABC-UTC) ; United States. Department of Transportation. University Transportation Centers (UTC) Program ; University Transportation Centers Program (U.S.) Less -
Subject/TRT Terms:

[+]

Accelerated Bridge Construction Bridge Construction Bridge Design Design Methods Innovative Connection Joining Precast Column-to-cap Beam Connection Precast Concrete Seismic Performance Structural Connection UHPC Ultra High Performance Concrete
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

Florida International University. Department of Civil and Environmental Engineering
Abstract:

Accelerated Bridge Construction (ABC) is a paradigm change in delivery of bridges. ABC minimizes the traffic interruption, enhances safety to public and workers by significantly reducing onsite construction activities and results in longer lasting bridges. The use of precast elements is gaining attention owing to inherent benefits of accelerated construction. Designing an economical connection is one of the main concern for these structures. New improved materials such as Ultra High Performance Concrete (UHPC) with superior characteristics can provide solutions for joining precast concrete elements. In this paper two types of column to cap beam connection using UHPC are proposed for seismic and non-seismic regions. Among the merits of the proposed details, large tolerances in construction and simplicity of the connection can be highlighted which facilitates and accelerates the on-site construction time. The experimental program was carried out to evaluate the performance and structural behavior of the proposed connections. Four specimens were subjected to constant axial compressive loads and cyclic lateral loading. Results of the experiment showed that the displacement ductility of the specimens, incorporating suggested details, demonstrated adequate levels of displacement ductility. More importantly, the proposed connections prevented the damage into capacity protected element- in this case the cap beam. Analytical and nonlinear finite element analysis on the specimens were carried out to better comprehend the behavior of the proposed connections.
Content Notes:

ABC-UTC Project: Alternative ABC Connections Utilizing UHPC
Format:

PDF
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d88a3612804caddfa12821ba2f86113ccfcddc02d683c5c71e58d3822b9e7822
Download URL:

https://rosap.ntl.bts.gov/view/dot/55744/dot_55744_DS1.pdf
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Alternative ABC Connection for Connecting Precast Column to Cap Beam Using UHPC

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