Theoretical and field experimental evaluation of skewed modular slab bridges.

Fu, Chung C.; Briner, Tim L.; Getaneh, Tigist; University of Maryland (College Park, Md.)

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Theoretical and field experimental evaluation of skewed modular slab bridges.

2012-12-01
By Fu, Chung C. ; Briner, Tim L. ; Getaneh, Tigist

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English

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Creators:

Fu, Chung C. ; Briner, Tim L. ; Getaneh, Tigist

Fu, Chung C. ; Briner, Tim L. ; Getaneh, Tigist Less -
Corporate Creators:

University of Maryland (College Park, Md.)
Subject/TRT Terms:

[+]

Concrete Overlays Field Tests Finite Element Method Literature Reviews Longitudinal Cracking Pavements, Concrete--Cracking Pavements--Overlays Posttensioning Precast Concrete Precast Concrete Construction Prestressed Concrete Bridges Prestressed Concrete Bridges--Floors--Testing Skewed Structures
Publication/ Report Number:

MD-12-SP109B4N
Resource Type:

Tech Report
Geographical Coverage:

Maryland
Edition:

Final report.
Corporate Publisher:

Maryland. State Highway Administration
Abstract:

As a result of longitudinal cracking discovered in the concrete overlays of some recently-built skewed

bridges, the Maryland State Highway Administration (SHA) requested that this research project be

conducted for two purposes: (1) to determine the cause or causes of the reflective cracking on those bridges

and (2) to propose additions and/or revisions to the current state bridge design standards concerning the

number, orientation, and location of the transverse post-tensioning, specifically in reference to a bridge’s

skewness. At first, a literature review and a state practices survey were conducted. Then, a bridge with a

cracked concrete overlay in the State of Maryland was selected and field tested. Subsequently, the FEM

model of the tested bridge was used as a base for further parametric study to gain more complete

knowledge of how the skew angle affects transversely post-tensioned adjacent precast prestressed concrete

slab bridges. Final summary and conclusions with recommended revisions to the current Maryland bridge

design standards were made for the SHA’s consideration.
Format:

PDF
Funding:

SP109B4N
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:ef143f5b4e19d3f164dbd6d09873ffb1c5c5d9f15332081e4b5ec1b6cd27552a
Download URL:

https://rosap.ntl.bts.gov/view/dot/25516/dot_25516_DS1.pdf
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Theoretical and field experimental evaluation of skewed modular slab bridges.

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