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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:MEI Zhu,JIA Yan-min,LI Cheng-yu.Temperature distributions in concrete box girders due to heat of concrete hydration[J].Journal of Harbin Institute Of Technology(New Series),2011,18(1):47-51.DOI:10.11916/j.issn.1005-9113.2011.01.009.
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Temperature distributions in concrete box girders due to heat of concrete hydration
Author NameAffiliation
MEI Zhu Northeast Forestry University,Harbin 150040,China 
JIA Yan-min Northeast Forestry University,Harbin 150040,China 
LI Cheng-yu University of Colorado Denver,Denver CO 80237,USA 
Abstract:
Based on heat transfer theory,a two-dimensional complex exponential function was used to compute heat of concrete hydration.A concrete box girder consisting of a single box with two cells used on Harbin Songpu Bridge was measured on site.The two coefficients in the complex exponential function were determined to best fit the field measured data.ABAQUS program was used to simulate the heat transfer and determine the temperature distribution in the concrete box girders during concrete setting.The calculated temperature distribution in the box girders were compared with the field measured data and good agreement was observed.The temperature distribution and gradient in the entire box section,webs and bottom slab were analyzed using the measured and calculated results during the course of concrete hydration.
Key words:  heat of hydration  temperature distribution  box girder bridge  concrete hydration
DOI：10.11916/j.issn.1005-9113.2011.01.009
Clc Number:U448.213
Fund:

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