Analytical Investigations and Design Implications of Seismic Response of a Two-Span ABC Bridge System

Shoushtari, Elmira; Saiidi, Mehdi Saiid; Itani, Ahmad M.; Moustafa, Mohamed A.; Accelerated Bridge Construction University Transportation Center (ABC-UTC); Florida International University. Department of Civil and Environmental Engineering

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Analytical Investigations and Design Implications of Seismic Response of a Two-Span ABC Bridge System

2019-04-01
By Shoushtari, Elmira ; Saiidi, Mehdi Saiid ; Itani, Ahmad M. ; ...

[PDF-4.07 MB]

English

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Creators:

Shoushtari, Elmira ; Saiidi, Mehdi Saiid ; Itani, Ahmad M. ; Moustafa, Mohamed A.

Shoushtari, Elmira ; Saiidi, Mehdi Saiid ; Itani, Ahmad M. ; Moustafa, Mohamed A. Less -
Corporate Creators:

Accelerated Bridge Construction University Transportation Center (ABC-UTC) ; Florida International University. Department of Civil and Environmental Engineering

Accelerated Bridge Construction University Transportation Center (ABC-UTC) ; Florida International University. Department of Civil and Environmental Engineering Less -
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; University of Nevada, Reno. Department of Civil and Environmental Engineering

United States. Department of Transportation. University Transportation Centers (UTC) Program ; University of Nevada, Reno. Department of Civil and Environmental Engineering Less -
Subject/TRT Terms:

[+]

Accelerated Bridge Construction Bridge Construction Bridge Substructures Earthquake Resistant Design Grouted Duct Hybrid Cap Beam OpenSees Rebar Hinge Pocket (socket) Connection Shake Table Test Simple For Dead Continuous For Live Steel Girder Vertical Excitation
Publication/ Report Number:

ABC-UTC-2013-C3-UNR05-Final
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report (July 2016 to May 2019)
Corporate Publisher:

Accelerated Bridge Construction University Transportation Center (ABC-UTC)
Abstract:

Despite the numerous advantages that accelerated bridge construction (ABC) offers, it has not been embraced in moderate and high seismic areas. This is due to insufficient research data investigating the effect of interaction between ABC connections and prefabricated components, guidelines for their seismic design, as well as the reliable analytical modeling methods for ABC bridges. The current study covers the analytical investigations of a two-span bridge system with six ABC connections tested on shake tables at the University of Nevada, Reno to address these issues. The analytical framework of the study comprised two phases: Pre-test analysis helped in estimating the design forces for preliminary design of components and determining input ground motions and the test loading protocol. As part of the post-test analysis, response of the OpenSees computational model with actual material properties and shake table motions was compared with measured response of the bridge model. This computational model was adequate in capturing the overall seismic response of the bridge model. The effects of the vertical ground motions and bi-axial excitations on the seismic response of bridge elements and ABC connections were investigated and found that some of the response parameters can be significantly affected by near-fault earthquakes. Design implications were developed based on the results of the shake table test, previous studies on the connections, and the parametric studies. The report also presents design guidelines for the rebar hinge pocket connection and hybrid grouted duct connection.
Format:

PDF
Funding:

DTRT14-G-UTC41
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:87c66497facdc0f6f9dec36fef880750379846d4152b74b0f35436a9da4c5b03
Download URL:

https://rosap.ntl.bts.gov/view/dot/41837/dot_41837_DS1.pdf
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Analytical Investigations and Design Implications of Seismic Response of a Two-Span ABC Bridge System

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