Mechanical Properties of High Strength Concrete for Prestressed Concrete Bridge Girders

Hueste, Mary Beth D.; Chompreda, Praveen; Trejo, David; Cline, Daren B. H.; Keating, Peter B.

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Mechanical Properties of High Strength Concrete for Prestressed Concrete Bridge Girders

2003-10-01
By Hueste, Mary Beth D. ; Chompreda, Praveen ; Trejo, David ; ...

File Language:

English

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Creators:

Hueste, Mary Beth D. ; Chompreda, Praveen ; Trejo, David ; Cline, Daren B. H. ; Keating, Peter B.
Corporate Creators:

Texas Transportation Institute. Texas A&M University
Corporate Contributors:

Texas Department of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:

Bridge Decks Bridges Compressive Strength Creep High Strength Concrete Highways Mechanical Properties Modulus Of Elasticity Modulus Of Rupture Prestressed Concrete Shrinkage Specifications Statistical Parameters Statistics Tensile Strength
Publication/ Report Number:

FHW AffX-04/0-2101-2
Resource Type:

Tech Report
Geographical Coverage:

Texas;United States
Edition:

January 2000-May 2003
Corporate Publisher:

Texas Transportation Institute. Texas A&M University
Abstract:

This is the second of four reports that document the findings of a Texas Department of Transportation sponsored research project to evaluate the allowable stresses and resistance factors for high-strength concrete (HSC) prestressed bridge girders. HSC is widely used in prestressed concrete bridges. However, current design provisions for prestressed concrete bridge structures, such as the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Specifications, were developed based on mechanical properties of normal strength concrete (NSC). As a first step toward evaluating the applicability of current AASHTO design provisions for HSC prestressed bridge members, statistical parameters for the mechanical properties of plant-produced HSC were determined. In addition, prediction equations relating mechanical properties with the compressive strength were evaluated. HSC samples were collected in the field from precasters in Texas and tested in the laboratory at different ages for compressive strength, modulus of rupture, splitting tensile strength, and modulus of elasticity. Statistical analyses were conducted to determine the probability distribution, bias factors (actual mean-to specified design ratios), and coefficients of variation for each mechanical property. Creep and shrinkage were also monitored and evaluated.
Format:

PDF
Funding:

0-2101
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha-512:7c6122611593275bbd748a4186038124e9b92dad8cdf460f6d6f8edcf5bf1350b248bde54b6acb9c0dbb0520a8971025f3a8628a2b377b3d4b261469ba38d3d7
Download URL:

https://rosap.ntl.bts.gov/view/dot/86272/dot_86272_DS1.pdf
File Type:

[PDF - 16.41 MB ]

File Language:

English

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