Appendix D : FIB-54 tests.

Hamilton, H.R.; Consolazio, Gary R.; Ross, Brandon E.; University of Florida. Dept. of Civil and Coastal Engineering

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Appendix D : FIB-54 tests.

2013-03-01
By Hamilton, H.R. ; Consolazio, Gary R. ; Ross, Brandon E.

[PDF-4.08 MB]

English

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Details:

Alternative Title:

End region detailing of pretensioned concrete bridge girders, appendix D : FIB-54 tests.
Creators:

Hamilton, H.R. ; Consolazio, Gary R. ; Ross, Brandon E.

Hamilton, H.R. ; Consolazio, Gary R. ; Ross, Brandon E. Less -
Corporate Creators:

University of Florida. Dept. of Civil and Coastal Engineering
Subject/TRT Terms:

[+]

Bridge Design Finite Element Method Girders Load Tests Prestressed Concrete Pretensioning Reinforcement (Engineering) Serviceability Shear Strength
Publication/ Report Number:

UF Project No. 00072910 ; UF Project No. 00074016

UF Project No. 00072910 ; UF Project No. 00074016 Less -
Resource Type:

Tech Report
Geographical Coverage:

Florida
Corporate Publisher:

Florida. Dept. of Transportation
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;
Abstract:

Confinement reinforcement is placed near the end of pretensioned concrete I-girders to

enclose prestressing strands in the bottom flange. Experimental and analytical test programs

were conducted to investigate the function of confinement reinforcement and to provide the basis

for a confinement reinforcement design model. Five 54-in. deep Florida I-Beam (FIB-54)

girders were fabricated and load tested in the experimental program. Each end of each girder

had a different combination of variables, which resulted in ten unique test specimens. Variables

included: presence or absence of embedded steel bearing plates, quantity and configuration of

confinement reinforcement, strand bond pattern, strand quantity, and quantity of horizontal and

vertical end region reinforcement. Data were collected during and after prestress transfer to

evaluate the effects of test variables on bottom flange cracking. Load tests were then conducted

on each specimen (end) to determine the effects of test variables on girder behavior and capacity.

Specimens were loaded in three-point bending at a shear span-to-depth ratio of 2.0. Failure

modes in the test program included web-shear, bond-shear, and lateral-splitting. Primary

outcomes of the research include an improved understanding of the function of confinement

reinforcement during prestress transfer and at ultimate load, and an improved understanding the

interaction between confinement reinforcement and the other end region variables.
Format:

PDF
Alternate URL:

http://ntl.bts.gov/lib/47000/47400/47427/FDOT-BDK75-977-05-rpt.pdf
Funding:

BDK75 977-05
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:4b62b218df727bcc7923b8750609483962e134b43039dde845fc483ef89e2eac
Download URL:

https://rosap.ntl.bts.gov/view/dot/25877/dot_25877_DS1.pdf
File Type:

No Additional Files

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Appendix D : FIB-54 tests.

Details:

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