Effect of moisture content on the coefficient of thermal expansion of concrete.

Al-Ostaz, Ahmed; University of Mississippi

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Effect of moisture content on the coefficient of thermal expansion of concrete.

2007-09-01
By Al-Ostaz, Ahmed

[PDF-1.15 MB]

English

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Details:

Creators:

Al-Ostaz, Ahmed
Corporate Creators:

University of Mississippi
Corporate Contributors:

Mississippi. Dept. of Transportation ; United States. Federal Highway Administration

Mississippi. Dept. of Transportation ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Aggregates Aggregates (Building Materials)--Moisture--Testing Concrete Concrete--Expansion And Contraction--Testing Concrete--Moisture--Testing Contraction Expansion Moisture Content Testing Thermal Expansion
Publication/ Report Number:

FHWA/MS-DOT-RD-07-187 ; MS-DOT-RD-07-187

FHWA/MS-DOT-RD-07-187 ; MS-DOT-RD-07-187 Less -
Resource Type:

Tech Report
Geographical Coverage:

Mississippi
Edition:

Final report; Oct. 2005-Sept. 2007.
Corporate Publisher:

Mississippi. Dept. of Transportation
Abstract:

The purpose of this report is to discuss a study conducted on twenty separate mix designs of concrete and the effects of

the aggregate type, moisture content, and temperature on the coefficient of thermal expansion(CTE). These results are to be used

for the knowledge of proper choice of mix design for placement of concrete in structures dependent upon the moisture and

temperature variations of the area.

There will be three separate types of tests performed to evaluate the effects on the concrete. The three tests are the

AASHTO TP60-00 test, Danish T1-B method, and the Strain Gage method. An ANSYS program will be used for a Finite

Element Analysis(FEA) to be performed for comparison of the capability of FEA in calculating CTE.

The results concluded in this report showed that humidity was not as great of a controlling factor as the aggregate type. The

major controlling element was the aggregate due to the concrete’s composition being approximately seventy percent aggregate

and with the different mixtures porosities and accumulated moisture not having as great of an impact on the CTE.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:606b7fc35094bcf9d8aa47bd10119fa202c28cd3499bdec3b0d6b6eb67869332
Download URL:

https://rosap.ntl.bts.gov/view/dot/24164/dot_24164_DS1.pdf
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Effect of moisture content on the coefficient of thermal expansion of concrete.

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