Maximum heat of mass concrete - phase 2.

Tia, Mang; Lawrence, Adrian; Do, Tu Anh; Verdugo, David; Han, Sangyoung; Almarshoud, Mohammed; Ferrante, Brandon; Markandeya, Ananya; University of Florida. Dept. of Civil and Coastal Engineering

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

i

Maximum heat of mass concrete - phase 2.

2016-11-01
By Tia, Mang ; Lawrence, Adrian ; Do, Tu Anh ; ...

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English

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Creators:

Tia, Mang ; Lawrence, Adrian ; Do, Tu Anh ; Verdugo, David ; Han, Sangyoung ; ... More +

Tia, Mang ; Lawrence, Adrian ; Do, Tu Anh ; Verdugo, David ; Han, Sangyoung ; Almarshoud, Mohammed ; Ferrante, Brandon ; Markandeya, Ananya Less -
Corporate Creators:

University of Florida. Dept. of Civil and Coastal Engineering
Corporate Contributors:

Florida. Department of Transportation ; United States. Federal Highway Administration

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

[+]

Concrete Bridges Concrete Curing Concrete Hardening Drilled Shaft Insulation Interface Software Isothermal Calorimetry Mass Concrete R-value Shaft Sinking Soil Foundation Temperature Differential Temperature Logger Temperature Monitoring Ternary Blend Mix Thermal Analysis TNO DIANA
Resource Type:

Tech Report
Geographical Coverage:

Florida
Corporate Publisher:

Florida Department of Transportation
Abstract:

The main findings and recommendations from this study are as follows:

(1) The database of adiabatic temperature rise tables which was developed in this study can be used in the DIANA software for the modeling of mass concrete structures.

(2) Classification of segmental bridge sections should be based on local volume-to-area ratio (V/A), which excludes extremities, when it is used to identify if a certain segmental bridge section is considered as a mass concrete structure.

(3) Recommended values for thermal properties of various insulating materials and soils to be used in thermal analysis of mass concrete structures are given.

(4) The results of thermal analysis indicate that a typical drilled shaft with a diameter of over 4 feet would have a maximum temperature differential that exceeded the limit of 35 °F (19.4 °C) set by the FDOT. However, the four drilled shafts placed in this study did not show any visible cracks in spite of the high temperature differential, both calculated and measured. It is recommended that further investigation be undertaken to determine if the criterion for mass concrete could be relaxed for drilled shafts.

(5) Prediction equations for estimating 28-day compressive strength from compressive strength at other curing times for ternary blend mixes were recommended. It is recommended a more extensive testing program be conducted to verify and refine the developed equations.

(6) It is recommended that the developed interface software DIANA Input File Generator (DIFG) be used by Florida Department of Transportation (FDOT) personnel for quick thermal analysis of rectangular concrete footings and cylindrical concrete drilled shafts.
Format:

PDF
Funding:

U.F. Project No: 00108015 ; FDOT Project No: BDV31-977-07

U.F. Project No: 00108015 ; FDOT Project No: BDV31-977-07 Less -
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:97dd186ad83141ce420e67aba26072c2e6c685703a6e94f827af1125ba4b9675
Download URL:

https://rosap.ntl.bts.gov/view/dot/31631/dot_31631_DS1.pdf
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Maximum heat of mass concrete - phase 2.

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