Evaluation Of prestressed concrete beams in shear : [part 1 and 2].

Eamon, Christopher D.; Parra-Montesinos, Gustavo; Chehab, Alaa; Wayne State University. Dept. of Civil and Environmental Engineering

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Evaluation Of prestressed concrete beams in shear : [part 1 and 2].

2014-09-01
By Eamon, Christopher D. ; Parra-Montesinos, Gustavo ; Chehab, Alaa

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English

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Creators:

Eamon, Christopher D. ; Parra-Montesinos, Gustavo ; Chehab, Alaa

Eamon, Christopher D. ; Parra-Montesinos, Gustavo ; Chehab, Alaa Less -
Corporate Creators:

Wayne State University. Dept. of Civil and Environmental Engineering
Subject/TRT Terms:

[+]

Bridge Design Cracking Field Tests Finite Element Method Girders Laboratory Tests Prestressed Concrete Bridges Shear Properties
Publication/ Report Number:

RC-1615
Resource Type:

Tech Report
Geographical Coverage:

Michigan
Corporate Publisher:

Michigan. Dept. of Transportation. Office of Research Administration
Abstract:

This research investigates possible design-related causes of apparent shear cracks on MDOT prestressed

concrete (PC) bridge girders; assesses the adequacy of PC shear design and rating methods; and

recommends changes to these procedures. It involved a field survey, laboratory testing, FEA modeling,

and bridge field testing. The field survey included sixteen PC bridges with potential shear cracks, and

the shear capacities of the girders were analyzed and compared to various shear load demands. The

laboratory testing consisted of six tests on full-scale beam specimens of different shear span-to-depth

ratios and stirrup spacings. An FEA model was developed and validated using the experimental data.

Using the model, a parametric analysis was conducted on a variety of PC bridge girder configurations. A

regression analysis was performed to modify existing shear capacity procedures to best-fit the FEA

results. Field tests of two PC bridges constructed continuous for live load were conducted to determine

interior joint continuity and girder distribution factors.
Format:

PDF
Alternate URL:

http://ntl.bts.gov/lib/52000/52800/52877/RC1615part1_470815_7.pdf
Funding:

2010-0298
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:cd877019b22a8aeab5c017104f191388d29633cf31cc95e24506bc29095d6ab9
Download URL:

https://rosap.ntl.bts.gov/view/dot/28107/dot_28107_DS1.pdf
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Evaluation Of prestressed concrete beams in shear : [part 1 and 2].

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