Structural Behavior of a 2nd Generation Ultra-High Performance Concrete Pi-Girder

Graybeal, Benjamin A.; United States. Federal Highway Administration. Office of Infrastructure Research and Development

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Structural Behavior of a 2nd Generation Ultra-High Performance Concrete Pi-Girder

2009-11-01
By Graybeal, Benjamin A.

[PDF-4.20 MB]

English

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Creators:

Graybeal, Benjamin A.
Corporate Creators:

United States. Federal Highway Administration. Office of Infrastructure Research and Development
Subject/TRT Terms:

[+]

Accelerated Construction Bridge Design Bridges Durability Durable Infrastructure Systems Fiber-reinforced Concrete Pi-girder Precast Concrete Prestressed Concrete Reinforced Concrete Structural Testing Structural Tests UHPC Ultra-high Performance Concrete Ultra High Performance Concrete
Publication/ Report Number:

FHWA-HRT-10-026
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration. Office of Infrastructure Research and Development
Abstract:

Ultra-high performance concrete (UHPC) is an advanced cementitious composite material which has been developed in recent decades. When compared to more conventional cement-based concrete materials, UHPC tends to exhibit superior properties such as increased durability, strength, and long-term stability. This experimental investigation focused on the further development and structural testing of a newly developed highway bridge girder cross section, namely the pi-girder. This girder was developed and optimized specifically to exploit the advanced mechanical and durability properties of UHPC. Structural testing was completed on full-scale girders to investigate the transverse flexural response and the longitudinal joint structural behavior. The 2nd generation pi-girder system surpassed the AASHTO LRFD Bridge Design Specification demands for which it was designed.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:0aeceffa4a071c070843f240bfe7b5522fe2b381070571c4ad1db8bf6016e380
Download URL:

https://rosap.ntl.bts.gov/view/dot/50254/dot_50254_DS1.pdf
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Structural Behavior of a 2nd Generation Ultra-High Performance Concrete Pi-Girder

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